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Criteria:   found in San Diego County  •   is native  •  group by lifeform
3522  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual1326 plants
  Lifeform: Biennial3 plants
  Lifeform: Perennial1414 plants
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. umbellata Sand verbena Perennial herb  
Abronia umbellata var. umbellata Beach sand verbena Perennial herb  
Abutilon abutiloides shrubby Indian mallow Perennial herb  
Abutilon palmeri Palmer's abutilon Perennial herb 16
Achillea millefolium Yarrow Perennial herb 70
Achnatherum coronatum Giant needlegrass Perennial grass 7
Achnatherum diegoense San diego county needle grass Perennial grass  
Achnatherum hymenoides Indian rice grass Perennial grass 8
Achnatherum lemmonii Lemmon's stipa Perennial grass 1
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum lettermanii Letterman stipa Perennial grass 1
Achnatherum nelsonii Columbia needlegrass Perennial grass 1
Achnatherum nelsonii ssp. dorei Mountain needlegrass Perennial grass 1
Achnatherum occidentale Western needlegrass Perennial grass 1
Achnatherum occidentale ssp. californicum California needlegrass Perennial grass  
Achnatherum occidentale ssp. occidentale Western needlegrass Perennial grass  
Achnatherum occidentale ssp. pubescens Elmer's needlegrass Perennial grass  
Achnatherum parishii Parish's needlegrass Perennial grass  
Achnatherum speciosum Desert needlegrass Perennial grass 8
Acmispon argophyllus Silver birds foot trefoil Perennial herb  
Acmispon argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Acmispon argyraeus Canyon birdsfoot trefoil Perennial herb  
Acmispon glaber Deerweed Perennial herb 22
Acmispon glaber var. brevialatus Short winged deerweed Perennial herb  
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon grandiflorus Large leaved lotus Perennial herb 4
Acmispon grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Acmispon haydonii Pygmy lotus Perennial herb  
Acmispon heermannii Heermann's lotus Perennial herb 4
Acmispon heermannii var. heermannii Heermann's lotus Perennial herb 1
Acmispon heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Acmispon procumbens Silky california broom Perennial herb, Shrub  
Acmispon rigidus Desert lotus Perennial herb  
Acourtia microcephala Sacapellote Perennial herb 1
Adenophyllum porophylloides San felipe dogweed Perennial herb  
Agave deserti Desert agave Perennial herb 10
Agave deserti var. deserti Desert agave Perennial herb 1
Agoseris grandiflora Giant mountain dandelion Perennial herb 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris retrorsa Spear leaved agoseris Perennial herb 1
Agrimonia gryposepala Common agrimony Perennial herb  
Agrostis exarata Bentgrass Perennial grass 5
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis scabra Rough bentgrass Perennial grass 4
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allionia incarnata Windmills Perennial herb  
Allionia incarnata var. incarnata Trailing windmills Perennial herb  
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium bisceptrum Twincrest onion Perennial herb (bulb)  
Allium campanulatum Dusky onion Perennial herb (bulb) 2
Allium fimbriatum Wild onion Perennial herb (bulb) 1
Allium fimbriatum var. fimbriatum Fringed onion Perennial herb (bulb)  
Allium haematochiton Red skinned onion Perennial herb (bulb) 5
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. davisiae Davis' pitted onion Perennial herb (bulb)  
Allium lacunosum var. lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. micranthum White fringed onion Perennial herb (bulb)  
Allium marvinii Yucaipa onion Perennial herb (bulb) 5
Allium parishii Wild onion Perennial herb (bulb)  
Allium parryi Parry's fringed onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium praecox Early onion Perennial herb (bulb) 3
Alopecurus aequalis Sonoma alopecurus Perennial grass  
Alopecurus aequalis var. aequalis Shortawn foxtail Perennial grass  
Ambrosia ambrosioides Ambrosia leaved burbush Perennial herb 1
Ambrosia chamissonis Silver beachweed Perennial herb 10
Ambrosia confertiflora Weak leaved burweed Perennial herb  
Ambrosia psilostachya Ragweed Perennial herb 7
Ambrosia pumila San diego ambrosia Perennial herb (rhizomatous) 3
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Amsonia tomentosa Gray amsonia Perennial herb  
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Andropogon glomeratus Bushy bluestem Perennial grass 2
Andropogon glomeratus var. scabriglumis Beardgrass Perennial grass  
Anemone tuberosa Tuber anemone Perennial herb 1
Anemopsis californica Yerba mansa Perennial herb 31
Angelica capitellata Grayswamp whiteheads Perennial herb 2
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Antirrhinum confertiflorum Ghost flower Perennial herb  
Antirrhinum mohavea Golden desert snapdragon Perennial herb  
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. feudgei California broomrape Perennial herb (parasitic)  
Aphyllon cooperi Burroweed strangler Perennial herb (parasitic)  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Aphyllon parishii Parish's broom rape Perennial herb (parasitic)  
Aphyllon parishii ssp. brachylobum Short lobed broom rape Perennial herb (parasitic)  
Aphyllon parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Aphyllon tuberosum Chaparral broomrape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 11
Aquilegia formosa Columbine Perennial herb 54
Arabis glabra Smooth rock cress Perennial herb  
Arabis glabra var. furcatipilis Smooth rock cress Perennial herb  
Arabis glabra var. glabra Smooth rock cress Perennial herb  
Arabis hirshbergiae Cuyamaca rockcress Perennial herb  
Arabis hoffmannii Hoffmann's rock cress Perennial herb  
Arabis holboellii Holboell's rock cress Perennial herb  
Arabis holboellii var. pinetorum Pine rockcress Perennial herb  
Arabis holboellii var. retrofracta Backward splitting holboell's rock cress Perennial herb  
Arabis johnstonii Johnston's rock cress Perennial herb  
Arabis perennans Rock cress Perennial herb  
Arabis pulchra Prince s rock cress Perennial herb 2
Arabis pulchra var. gracilis Slender & beautiful rock cress Perennial herb  
Arabis pulchra var. pulchra Beautiful rock cress Perennial herb 2
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Arabis sparsiflora var. californica California elegant rock cress Perennial herb 1
Arabis sparsiflora var. sparsiflora Elegant rock cress Perennial herb 2
Aralia californica California spikenard Perennial herb 18
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Argemone corymbosa Leafy prickly poppy Perennial herb 2
Argyranthemum foeniculum Dill daisy Perennial herb  
Aristida californica California threeawn Perennial grass  
Aristida californica var. californica California three aw Perennial grass  
Aristida purpurea Purple three awn Perennial grass 18
Aristida purpurea var. fendleriana Fendler three awn Perennial grass  
Aristida purpurea var. longiseta Red three awn Perennial grass 2
Aristida purpurea var. nealleyi Reverchon three awn Perennial grass  
Aristida purpurea var. parishii Parish three awn Perennial grass  
Aristida purpurea var. purpurea Purple three awn Perennial grass 2
Aristida purpurea var. wrightii Wright three awn Perennial grass  
Aristida ternipes Spidergrass Perennial grass 2
Aristida ternipes var. gentilis Spidergrass Perennial grass 2
Armeria maritima Thrift seapink Perennial herb 34
Armeria maritima ssp. californica Sea thrift Perennial herb 7
Arnica cordifolia Heart leaved arnica Perennial herb 1
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia dracunculus Tarragon Perennial herb 11
Artemisia ludoviciana Silver wormwood Perennial herb 17
Artemisia ludoviciana ssp. albula White hugwort Perennial herb 1
Artemisia ludoviciana ssp. incompta Western mugwort Perennial herb  
Artemisia ludoviciana ssp. ludoviciana Silver wormwood Perennial herb 3
Artemisia pycnocephala Beach sagewort Perennial herb 28
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Asclepias californica California milkweed Perennial herb 8
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias erosa Desert milkweed Perennial herb 3
Asclepias fascicularis narrow leaf milkweed Perennial herb 31
Asclepias subulata Ajamete Perennial herb 8
Asclepias vestita Woolly milkweed Perennial herb  
Aster ascendens Long leaved aster Perennial herb  
Aster bernardinus San bernardino aster Perennial herb  
Aster chilensis California aster Perennial herb 40
Aster lanceolatus ssp. hesperius Western lance leaf aster Perennial herb  
Astragalus coccineus Scarlet milk vetch Perennial herb 1
Astragalus crotalariae Salton milk vetch Perennial herb  
Astragalus deanei Dean's milk vetch Perennial herb  
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. parishii Parish's milk vetch Perennial herb  
Astragalus douglasii var. perstrictus Jacumba milk vetch Perennial herb  
Astragalus magdalenae Satiny milkvetch Perennial herb  
Astragalus magdalenae var. peirsonii Peirson's milk vetch Perennial herb  
Astragalus oocarpus San diego milk vetch Perennial herb  
Astragalus pachypus Thick pod milk vetch Perennial herb  
Astragalus pachypus var. pachypus Thick pod milk vetch Perennial herb  
Astragalus palmeri Palmer locoweed Perennial herb  
Astragalus pomonensis Pomona milk vetch Perennial herb 4
Astragalus trichopodus Santa barbara milk vetch Perennial herb 3
Astragalus trichopodus var. lonchus Southern california milkvetch Perennial herb 1
Astragalus trichopodus var. phoxus Santa barbara milk vetch Perennial herb 1
Astragalus trichopodus var. trichopodus Santa barbara milk vetch Perennial herb 1
Atriplex californica California salt bush Perennial herb 1
Atriplex coulteri Coulter's saltbush Perennial herb  
Atriplex leucophylla Sea scale Perennial herb 8
Atriplex watsonii Watson's saltbush Perennial herb 3
Ayenia compacta Desert ayenia Perennial herb, Shrub  
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Baileya multiradiata Desert marigold Perennial herb 20
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 20
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens laevis Bur marigold Perennial herb 4
Bloomeria clevelandii San diego goldenstar Perennial herb  
Bloomeria crocea Golden stars Perennial herb 10
Bloomeria crocea var. aurea Common goldenstar Perennial herb  
Bloomeria crocea var. crocea Common goldenstar Perennial herb 1
Bloomeria crocea var. montana Mountain goldenstar Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera californica California rockcress Perennial herb 1
Boechera hirshbergiae Hirshberg's rockcress Perennial herb  
Boechera hoffmannii Hoffmann's rockcress Perennial herb  
Boechera johnstonii Johnston's rockcress Perennial herb  
Boechera perennans Perennial rockcress Perennial herb  
Boechera pinetorum Woodland rockcress Perennial herb  
Boechera pulchra Beautiful rockcress Perennial herb 2
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera xylopoda Bigfoot hybrid rockcress Perennial herb  
Boerhavia coccinea Red boerhaavia Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Bothriochloa barbinodis Beard grass Perennial grass 6
Bouteloua curtipendula Side oats grama Perennial grass 16
Bouteloua eriopoda Black grama Perennial grass  
Boykinia rotundifolia Round leaved boykinia Perennial herb 1
Brandegea bigelovii Brandegea Perennial herb  
Brickellia californica California brickellia Perennial herb 15
Brickellia californica var. californica California brickellbush Perennial herb 2
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea filifolia Thread leaved brodiaea Perennial herb (bulb) 2
Brodiaea jolonensis Jolon brodiaea Perennial herb 1
Brodiaea leptandra Narrow-flowered california brodiaea Perennial herb 1
Brodiaea orcuttii Orcutt's brodiaea Perennial herb (bulb)  
Brodiaea santarosae Santa Rosa basalt brodiaea Perennial herb  
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. kernensis Kern dwarf brodiaea Perennial herb  
Bromus carinatus California bromegrass Perennial grass 19
Bromus carinatus var. carinatus California brome Perennial grass 19
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus carinatus var. maritimus Seaside brome Perennial grass 1
Bromus grandis Tall brome Perennial grass  
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus sitchensis Sitka brome Perennial grass 2
Bromus sitchensis var. carinatus California brome Perennial grass 19
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Bromus sitchensis var. maritimus Maritime brome Perennial grass 1
Bromus sitchensis var. sitchensis Sitka brome, alaska brome Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Callitriche heterophylla Water starwort Perennial herb  
Callitriche longipedunculata Longstock water-starwort Perennial herb  
Calochortus albus White fairy lantern Perennial herb 6
Calochortus albus var. albus Fairy lantern Perennial herb 1
Calochortus catalinae Catalina mariposa Perennial herb (bulb) 3
Calochortus concolor Golden bowl mariposa Perennial herb 1
Calochortus dunnii Dunn's mariposa lily Perennial herb (bulb) 1
Calochortus invenustus Plain mariposa Perennial herb 2
Calochortus leichtlinii Leichtlin's mariposa lily Perennial herb 2
Calochortus palmeri Strangling mariposa Perennial herb 1
Calochortus palmeri var. munzii Munz's mariposa lily Perennial herb (bulb) 1
Calochortus splendens Splendid mariposa Perennial herb 4
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus weedii Weed's mariposa Perennial herb 1
Calochortus weedii var. intermedius Intermediate mariposa lily Perennial herb (bulb) 1
Calochortus weedii var. weedii Weed's mariposa Perennial herb 1
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia longipes Piute morning glory Perennial herb 1
Calystegia macrostegia Island morning glory Perennial herb, Vine 19
Calystegia macrostegia ssp. arida Southern california morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. cyclostegia Coast morning glory Perennial herb, Vine 3
Calystegia macrostegia ssp. intermedia South coast morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. macrostegia Island morning glory Perennial herb, Vine 2
Calystegia macrostegia ssp. tenuifolia San diego morning glory Perennial herb, Vine  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. fulcrata Sonora morning glory Perennial herb  
Calystegia sepium Western hedge bindweed Perennial herb 1
Calystegia soldanella Beach morning glory Perennial herb 3
Camissonia cheiranthifolia Beach evening primrose Perennial herb 11
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 11
Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex alma Sedge Perennial grass  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex athrostachya Slender leaved sedge Perennial grass 3
Carex barbarae Valley sedge Perennial grass 24
Carex densa Sedge Perennial grass 8
Carex dudleyi Dudley's sedge Perennial grass 8
Carex feta Green sheathed sedge Perennial grass  
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex globosa Round fruit sedge Perennial grass 5
Carex hassei Hasse's sedge Perennial grass  
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex obispoensis San luis obispo sedge Perennial grass (rhizomatous)  
Carex praegracilis Field sedge Perennial grass 28
Carex sartwelliana Yosemite sedge Perennial grass  
Carex schottii Schott's sedge Perennial grass  
Carex senta Rough sedge Perennial grass 3
Carex spissa San Diego sedge Perennial grass 14
Carex subfusca Brown sedge Perennial grass 8
Carex triquetra Triangular fruit sedge Perennial grass  
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja angustifolia Desert paintbrush Perennial herb 3
Castilleja applegatei Wavy leaf paintbrush Perennial herb 2
Castilleja applegatei ssp. martinii Martin's paintbrush Perennial herb 1
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja arachnoidea Cobwebby paintbrush Perennial herb  
Castilleja chromosa Desert paintbrush Perennial herb 3
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja miniata ssp. miniata Scarlet indian paintbrush Perennial herb  
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja peirsonii Peirson's paintbrush Perennial herb  
Castilleja plagiotoma Mojave indian paintbrush Perennial herb (hemiparasitic)  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. subinclusa Long leaf paintbrush Perennial herb 1
Cephalanthera austiniae Phantom orchid Perennial herb  
Ceratophyllum demersum Hornwort Perennial herb 1
Chaenactis parishii Parish's chaenactis Perennial herb  
Chaenactis santolinoides Santolina chaenactis Perennial herb  
Chamaesyce albomarginata Rattlesnake weed Perennial herb  
Chamaesyce arizonica Arizona spurge Perennial herb  
Chamaesyce melanadenia Spurge Perennial herb  
Chamaesyce parishii Parish's spurge Perennial herb  
Chamaesyce pediculifera Carrizo mountain spurge Perennial herb  
Chamaesyce polycarpa Small seeded spurge Perennial herb  
Chamaesyce polycarpa var. hirtella Hairy small seeded spurge Perennial herb  
Chamaesyce polycarpa var. polycarpa Small seeded spurge Perennial herb  
Chamerion angustifolium Fireweed Perennial herb 14
Chamerion angustifolium ssp. circumvagum Fireweed Perennial herb 2
Chenopodium californicum California goosefoot Perennial herb 1
Chimaphila menziesii Little prince's pine Perennial herb  
Chloracantha spinosa Spiny chloracantha Perennial herb  
Chloracantha spinosa var. spinosa Spiny goldenbush Perennial herb  
Chlorogalum parviflorum Small flowered soaproot Perennial herb  
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Chrysothamnus paniculatus Blackbanded rabbit brush Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. angustifolia Narrow leafed water hemlock Perennial herb  
Cicuta maculata var. maculata Spotted water hemlock Perennial herb  
Cirsium andersonii Anderson's thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium scariosum Elk thistle Perennial herb  
Cirsium scariosum var. americanum Dinnerplate thistle Perennial herb  
Cirsium scariosum var. citrinum Southern meadow thistle Perennial herb  
Cirsium scariosum var. congdonii Elk thistle Perennial herb  
Cirsium scariosum var. loncholepis La graciosa thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 27
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 1
Clematis pauciflora Virgin's bower Perennial herb, Vine 1
Clinopodium chandleri San miguel savory Perennial herb 6
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. maculata Summer coralroot Perennial herb  
Coreopsis maritima Sea dahlia Perennial herb 6
Corethrogyne filaginifolia Common sandaster Perennial herb 9
Corethrogyne filaginifolia var. californica California sandaster Perennial herb 3
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 12
Corethrogyne filaginifolia var. incana San diego sand aster Perennial herb  
Corethrogyne filaginifolia var. linifolia Del mar mesa sand aster Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Croton californicus Desert croton Perennial herb 5
Cryptantha racemosa Woody forget me not Perennial herb  
Cucurbita digitata Finger leaved gourd Perennial herb, Vine  
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. venusta Showy cycladenia Perennial herb  
Cylindropuntia acanthocarpa Buck horn cholla Perennial herb (stem succulent) 4
Cylindropuntia acanthocarpa var. acanthocarpa Buckhorn cholla Perennial herb (stem succulent) 3
Cylindropuntia californica California cholla Perennial herb (stem succulent) 5
Cylindropuntia californica var. californica California pricklypear Perennial herb (stem succulent) 1
Cylindropuntia californica var. parkeri Brownspined pricklypear Perennial herb (stem succulent) 1
Cylindropuntia fosbergii Pink teddy-bear cholla Perennial herb 1
Cylindropuntia ganderi Gander's buckhorn cholla Perennial herb (stem succulent)  
Cymopterus panamintensis Panamint indian parsnip Perennial herb  
Cymopterus panamintensis var. acutifolius Panamint indian parsnip Perennial herb  
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cynanchum utahense Vine milkweed Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus esculentus Nut grass Perennial grass  
Cyperus esculentus var. heermannii Nut grass Perennial grass  
Cyperus esculentus var. macrostachyus Yellow nutsedge Perennial grass  
Cyperus laevigatus Smooth cyperus Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus parishii Parish's flatsedge Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
Dalea mollis Silky dalea Perennial herb  
Dalea mollissima Silky dalea Perennial herb  
Danthonia californica California oatgrass Perennial grass 21
Danthonia unispicata One spiked oatgrass Perennial grass  
Dasyochloa pulchella Low woollygrass Perennial grass  
Datisca glomerata Durango root Perennial herb 2
Datura inoxia ! Pricklyburr Perennial herb 6
Datura wrightii Jimsonweed Perennial herb 15
Delphinium Xinflexum Perennial herb  
Delphinium cardinale Scarlet larkspur Perennial herb 8
Delphinium hesperium Western larkspur Perennial herb 1
Delphinium hesperium ssp. cuyamacae Cuyamaca larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb 1
Delphinium inflexum Hybrid parry's larkspur Perennial herb 8
Delphinium parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. subglobosum Intermediate larkspur Perennial herb  
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. maritimum Seaside larkspur Perennial herb  
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. hepaticoideum Spreading larkspur Perennial herb  
Delphinium patens ssp. montanum Spreading larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum ssp. variegatum Royal larkspur Perennial herb  
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia elongata Hairgrass Perennial grass 17
Descurainia adenophora White tansy mustard Perennial herb  
Descurainia incana Mountain tansy mustard Perennial herb  
Descurainia obtusa ssp. adenophora White tansy mustard Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 5
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks Perennial herb  
Dichondra occidentalis Western dichondra Perennial herb (rhizomatous) 2
Dieteria asteroides Hoary aster Perennial herb  
Dieteria asteroides var. asteroides Hoary aster Perennial herb  
Dieteria asteroides var. lagunensis Mount laguna aster Perennial herb  
Dieteria canescens Hoary aster Perennial herb 1
Dieteria canescens var. canescens Hoary aster Perennial herb  
Dieteria canescens var. leucanthemifolia Hoary aster Perennial herb  
Digitaria californica Arizona cottontop Perennial grass 2
Digitaria californica var. californica Arizona cottontop Perennial grass  
Diplacus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Distichlis littoralis Shore grass Perennial grass 1
Distichlis spicata Salt grass Perennial grass 25
Ditaxis californica California ditaxis Perennial herb  
Ditaxis lanceolata Lance leaved ditaxis Perennial herb  
Ditaxis serrata var. californica California ditaxis Perennial herb  
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. clevelandii Cleveland's shooting star Perennial herb  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. viscida Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Dudleya abramsii Abrams' dudleya Perennial herb 2
Dudleya abramsii ssp. abramsii Abrams' dudleya Perennial herb 1
Dudleya alainae Banner dudleya Perennial herb 1
Dudleya arizonica Arizona chalk dudleya Perennial herb 1
Dudleya attenuata Tapertip liveforever Perennial herb 4
Dudleya attenuata ssp. attenuata Orcutt's dudleya Perennial herb 2
Dudleya attenuata ssp. orcuttii Orcutt's dudleya Perennial herb 2
Dudleya blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. brevifolia Short leaved dudleya Perennial herb  
Dudleya brevifolia Short leaved dudleya Perennial herb  
Dudleya caespitosa Sand lettuce Perennial herb 10
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. pumila Low canyon dudleya Perennial herb 2
Dudleya edulis Fingertips Perennial herb 9
Dudleya lanceolata Southern california dudleya Perennial herb 14
Dudleya multicaulis Many stemmed dudleya Perennial herb  
Dudleya pulverulenta Chalk dudleya Perennial herb 15
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 15
Dudleya saxosa Panamint dudleya Perennial herb 1
Dudleya saxosa ssp. aloides Desert dudleya Perennial herb 1
Dudleya variegata Variegated dudleya Perennial herb  
Dudleya viscida Sticky dudleya Perennial herb 1
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 5
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis acicularis var. occidentalis Needle spike rush Perennial grass  
Eleocharis bella Beautiful spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis parvula Small spikerush Perennial grass 2
Eleocharis pauciflora Few flowered spike rush Perennial grass  
Eleocharis quinqueflora Fewflower spikerush Perennial grass  
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass 1
Elodea canadensis Common water weed Perennial herb  
Elymus Xgouldii Many flowered wild rye Perennial grass  
Elymus Xhansenii Perennial grass  
Elymus condensatus Giant wild rye Perennial grass 31
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. brevifolius Short leaved squirreltail Perennial grass  
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides var. brevifolius Squirrel tail grass Perennial grass  
Elymus elymoides var. californicus Squirrel tail grass Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 32
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 1
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 1
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus lanceolatus Thickspike wheatgrass Perennial grass 3
Elymus lanceolatus ssp. lanceolatus Northern wheatgrass Perennial grass 4
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus stebbinsii Stebbins' wildrye Perennial grass  
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 2
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 49
Epilobium canum ssp. angustifolium Hummingbird trumpet Perennial herb 21
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium canum ssp. garrettii Garrett's california fuchsia Perennial herb  
Epilobium canum ssp. latifolium California fushia Perennial herb 5
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium hallianum Hall's willowherb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 16
Eriastrum densifolium Giant eriastrum Perennial herb 4
Eriastrum densifolium ssp. austromontanum Southern mountain eriastrum Perennial herb 1
Eriastrum densifolium ssp. densifolium Giant eriastrum Perennial herb 2
Eriastrum densifolium ssp. elongatum Perennial wool star Perennial herb  
Ericameria paniculata Mojave rabbitbrush Perennial herb 1
Erigeron breweri Brewer's fleabane Perennial herb  
Erigeron breweri var. covillei Coville erigeron Perennial herb  
Erigeron filifolius Threadleaf fleabane Perennial herb  
Erigeron filifolius var. filifolius Thread leaved fleabane Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron glaucus Seaside daisy Perennial herb 40
Erigeron lobatus Lobed fleabane Perennial herb 4
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriodictyon parryi Poodle-dog bush Perennial herb 1
Eriodictyon sessilifolium sessile-leaved yerba stanta Perennial Herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 3
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 3
Eriogonum exaltatum Ladder buckwheat Perennial herb  
Eriogonum inflatum Desert trumpet Perennial herb  
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum kennedyi Kennedy's buckwheat Perennial herb 5
Eriogonum kennedyi var. alpigenum Southern alpine buckwheat Perennial herb  
Eriogonum saxatile Rock buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. munzii Munz's buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriogonum wrightii var. membranaceum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. nodosum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. wrightii Wright's buckwheat Perennial herb, Shrub 1
Erioneuron pilosum Hairy erioneuron Perennial grass  
Erioneuron pulchellum Fluff grass Perennial grass  
Eriophyllum staechadifolium Lizard tail Perennial herb 17
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium aristulatum var. aristulatum Jepson's button celery Perennial herb  
Eryngium armatum Coyote thistle Perennial herb  
Eryngium jepsonii Perennial herb  
Eryngium pendletonense Pendleton button-celery Perennial herb  
Eryngium pendletonensis Pendleton's eryngo Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Erysimum ammophilum Coast wallflower Perennial herb 1
Erysimum capitatum Wallflower Perennial herb 10
Erysimum capitatum var. angustatum Contra costa wallflower Perennial herb 1
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. lompocense San luis obispo wallflower Perennial herb 1
Erysimum insulare Island wallflower Perennial herb 2
Erysimum insulare ssp. insulare Island wallflower Perennial herb  
Erysimum insulare ssp. suffrutescens Suffrutescent wallflower Perennial herb 5
Erysimum suffrutescens Suffrutescent wallflower Perennial herb 5
Erythranthe cardinalis Cardinal monkey flower Perennial herb 40
Erythranthe moschata Musk monkeyflower Perennial herb 1
Erythranthe nasuta Perennial herb  
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Euphorbia albomarginata Rattlesnake sandmat Perennial herb  
Euphorbia arizonica Arizona spurge Perennial herb  
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia lurida Woodland spurge Perennial herb  
Euphorbia melanadenia Red-gland spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Euphorbia parishii Parish's sandmat Perennial herb  
Euphorbia pediculifera Carrizo mountain sandmat Perennial herb  
Euphorbia polycarpa Smallseed sandmat Perennial herb  
Euphorbia schizoloba Mojave spurge Perennial herb  
Euthamia occidentalis Western goldenrod Perennial herb 15
Extriplex californica California orach Perennial herb 1
Fagonia longipes Long leaf fagonia Perennial herb  
Fagonia pachyacantha Fagonis Perennial herb (stem succulent)  
Festuca brachyphylla Alpine fescue Perennial grass 2
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. parishii Perennial grass  
Festuca californica var. parishii California fescue Perennial grass  
Festuca occidentalis Western fescue Perennial grass 8
Festuca rubra Red fescue Perennial grass 39
Fragaria crinita Beach strawberry Perennial herb 35
Fragaria vesca Wild strawberry Perennial herb 36
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 35
Frankenia palmeri Palmer's frankenia Perennial herb  
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Frasera parryi Coahuila frasera Perennial herb  
Fritillaria biflora Chocolate lily Perennial herb 4
Fritillaria biflora var. biflora Chocolate lily Perennial herb (bulb) 4
Fritillaria roderickii Roderick's fritillary Perennial herb (bulb) 1
Funastrum cynanchoides Fringed twinevine Perennial herb 2
Funastrum cynanchoides var. hartwegii Climbing milkweed Perennial herb 1
Funastrum hirtellum Hairy milkweed Perennial herb, Vine  
Funastrum utahense Utah vine milkweed Perennial herb  
Galium andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. intermedium Phlox leaved bedstraw Perennial herb  
Galium angustifolium Narrow leaved bedstraw Perennial herb 3
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. borregoense Borrego bedstraw Perennial herb  
Galium angustifolium ssp. gracillimum Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. jacinticum San jacinto mtns. bedstraw Perennial herb  
Galium angustifolium ssp. nudicaule Naked stem bedstraw Perennial herb  
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. californicum California bedstraw Perennial herb  
Galium californicum ssp. flaccidum California bedstraw Perennial herb  
Galium catalinense Santa catalina island bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Galium nuttallii ssp. nuttallii Climbing bedstraw Perennial herb  
Galium parishii Parish's bedstraw Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb 1
Gentiana sceptrum King's scepter gentian Perennial herb 2
Geraea viscida Sticky geraea Perennial herb 1
Geranium californicum California geranium Perennial herb 1
Geranium concinnum California mountain geranium Perennial herb 1
Glyceria elata Tall mannagrass Perennial grass 8
Glycyrrhiza lepidota Lichorice Perennial herb 2
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. canescens Everlasting cudweed Perennial herb  
Gnaphalium canescens ssp. microcephalum White everlasting Perennial herb 1
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Gnaphalium leucocephalum White headed cudweed Perennial herb  
Grindelia camporum Gumweed Perennial herb 14
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 13
Grindelia hallii San diego gumplant Perennial herb  
Grindelia hirsutula Gumweed Perennial herb 11
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 13
Grindelia hirsutula var. hallii San diego gumplant Perennial herb  
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 10
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. californica California helianthella Perennial herb  
Helianthella californica var. nevadensis California helianthella Perennial herb 1
Helianthus californicus California sunflower Perennial herb 4
Helianthus gracilentus Slender sunflower Perennial herb 5
Helianthus niveus ssp. tephrodes Algodones dunes sunflower Perennial herb  
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Hesperocallis undulata Desert lily Perennial herb 1
Hesperostipa comata Needle & thread grass Perennial grass 10
Hesperostipa comata ssp. comata Needle & thread grass Perennial grass 1
Heteropogon contortus Tanglehead Perennial grass 2
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Heterotheca sessiliflora ssp. fastigiata Erect goldenaster Perennial herb  
Heterotheca sessiliflora ssp. sessiliflora False goldenaster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera brevistaminea Mt. laguna alumroot Perennial herb (rhizomatous)  
Heuchera rubescens Pink alumroot Perennial herb 6
Heuchera rubescens var. alpicola Allum root Perennial herb 6
Heuchera rubescens var. glandulosa Pink alumroot Perennial herb 6
Heuchera rubescens var. versicolor San diego county alumroot Perennial herb (rhizomatous) 6
Hibiscus denudatus Rocl hibiscus Perennial herb 1
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hilaria rigida Big galleta Perennial grass 7
Hoffmannseggia glauca Hoffmanseggia Perennial herb  
Hoita macrostachya California hemp Perennial herb 5
Hoita orbicularis Creeping leather root Perennial herb 3
Hooveria parviflora Perennial herb  
Hordeum brachyantherum Meadow barley Perennial grass 24
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Horkelia clevelandii Cleveland's horkelia Perennial herb 2
Horkelia clevelandii var. clevelandii Cleveland's horkelia Perennial herb 1
Horkelia cuneata Wedge leaved horkelia Perennial herb 5
Horkelia cuneata ssp. cuneata Coast horkelia Perennial herb 1
Horkelia cuneata ssp. puberula Coast horkelia Perennial herb  
Horkelia cuneata var. cuneata Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. puberula Mesa horkelia Perennial herb  
Horkelia howellii Howell's horkelia Perennial herb  
Horkelia sericata Howell's horkelia Perennial herb  
Horkelia tridentata Three toothed horkelia Perennial herb  
Horkelia truncata Ramona horkelia Perennial herb  
Horsfordia newberryi Newberry's velvet mallow Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 6
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia crassifolia var. otayensis Otay mountain hosackia Perennial herb 10
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hulsea californica San diego sunflower Perennial herb  
Hulsea heterochroma Red rayed hulsea Perennial herb 1
Hulsea vestita Pumice hulsea Perennial herb  
Hulsea vestita ssp. callicarpha Beautiful hulsea Perennial herb  
Hulsea vestita ssp. parryi Parry's hulsea Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle umbellata Marsh pennywort Perennial herb  
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Hymenopappus filifolius Columbia cutleaf Perennial herb  
Hymenopappus filifolius var. lugens Columbia cutleaf Perennial herb  
Hymenothrix wrightii Wright's thimblehead Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Imperata brevifolia Satintail Perennial grass 2
Ipomopsis tenuifolia Slender leaved ipomopsis Perennial herb 2
Iris hartwegii Hartweg's iris Perennial herb 4
Iris hartwegii ssp. pinetorum Hartweg's yellow pine iris Perennial herb  
Iris missouriensis Western blue flag Perennial herb 25
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Iva hayesiana San diego marsh elder Perennial herb 13
Ivesia saxosa Rock ivesia Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 7
Jepsonia parryi Parry's jepsonia Perennial herb  
Juncus acutus Spiny rush Perennial grass (rhizomatous) 13
Juncus acutus ssp. leopoldii Wire grass Perennial grass (rhizomatous) 2
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus breweri Brewer's rush Perennial grass  
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus cooperi Cooper's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus ssp. austrocalifornicus Common bog rush Perennial grass 1
Juncus effusus ssp. pacificus Pacific rush Perennial grass 6
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus macrandrus Long anthered rush Perennial grass  
Juncus macrophyllus Rush Perennial grass 1
Juncus mexicanus Mexican rush Perennial grass 10
Juncus occidentalis Slender juncus Perennial grass 4
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 47
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus rugulosus Wrinkled rush Perennial grass  
Juncus saximontanus Rocky mountain rush Perennial grass  
Juncus textilis Basket rush Perennial grass 7
Juncus torreyi Torrey's rush Perennial grass 5
Juncus xiphioides Iris leaved rush Perennial grass 16
Kelloggia galioides Kelloggia Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Lathyrus splendens Pride of california Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. alefeldii San diego pea Perennial herb 2
Lathyrus vestitus var. vestitus Hillside pea Perennial herb 2
Lemna aequinoctialis Duckweed Perennial herb  
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna turionifera Turion duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium fremontii Desert pepper grass Perennial herb 4
Lepidium ramosissimum Manybranched pepperweed Perennial herb  
Lepidium ramosissimum var. bourgeauanum Branched pepper grass Perennial herb  
Leptosiphon floribundus Many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. hallii Santa rosa mountains leptosiphon Perennial herb  
Leptosiphon nuttallii Nuttall's linanthus Perennial herb 2
Leptosiphon nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb 2
Leptosyne maritima Sea dahlia Perennial herb 6
Lessingia filaginifolia Common california aster Perennial herb 17
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia brachycalyx Short sepaled lewisia Perennial herb 2
Lewisia nevadensis Sierra lewisia Perennial herb 2
Lewisia pygmaea Pigmy bitter root Perennial herb 3
Leymus Xmultiflorus Many flowered wild rye Perennial grass  
Leymus condensatus Giant rye grass Perennial grass 34
Leymus triticoides Alkali rye Perennial grass 30
Lilium humboldtii Humboldt's lily Perennial herb 8
Lilium humboldtii ssp. humboldtii Humboldt's lily Perennial herb (bulb) 1
Lilium humboldtii ssp. ocellatum Humboldt lily Perennial herb (bulb)  
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium parryi Lemon lily Perennial herb (bulb) 6
Limonium californicum Marsh rosemary Perennial herb 11
Linanthus floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Linanthus floribundus ssp. hallii Santa rosa mtns. linanthus Perennial herb  
Linanthus nuttallii Nuttall's linanthus Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 38
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 1
Linum lewisii var. lewisii Lewis' flax Perennial herb 5
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma cymbalaria Mission star Perennial herb  
Lithophragma glabrum Bulbed woodland star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lobelia cardinalis Cardinalflower Perennial herb 16
Lobelia cardinalis var. pseudosplendens Cardinal flower Perennial herb 16
Lobelia dunnii Dunn's lobelia Perennial herb 11
Lobelia dunnii var. serrata Dunn's lobelia Perennial herb 6
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 4
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dasycarpum ssp. tomentosum Woolly fruited lomatium Perennial herb  
Lomatium insulare San nicolas island lomatium Perennial herb 1
Lomatium lucidum Shiny lomatium Perennial herb  
Lomatium mohavense Mohave wild parsely Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Lotus argyraeus Canyon birdsfoot trefoil Perennial herb  
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus crassifolius var. otayensis Otay mtn. lotus Perennial herb 10
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus haydonii Pygmy lotus Perennial herb  
Lotus heermannii Heermann's lotus Perennial herb 3
Lotus heermannii var. heermannii Heermann's lotus Perennial herb 1
Lotus heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Lotus nevadensis Sierra lotus Perennial herb  
Lotus nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Lotus nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Lotus oblongifolius Narrow leaved lotus Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus procumbens Silky california broom Perennial herb, Shrub  
Lotus rigidus Desert lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 22
Lotus scoparius var. brevialatus Short winged deerweed Perennial herb  
Lotus scoparius var. scoparius Deerweed Perennial herb  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus adsurgens Drew's silky lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. formosus Western lupine Perennial herb  
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus hyacinthinus Hyacinth lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus latifolius var. parishii Parish's lupine Perennial herb 2
Lupinus peirsonii Peirson's lupine Perennial herb  
Lupinus rivularis Riverbank lupine Perennial herb 8
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Lyrocarpa coulteri Coulter's lyrepod Perennial herb  
Lyrocarpa coulteri var. palmeri Coulter's lyrepod Perennial herb  
Lythrum californicum Common loosestrife Perennial herb  
Machaeranthera asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. lagunensis Laguna mtns. aster Perennial herb  
Machaeranthera canescens Hoary aster Perennial herb 1
Machaeranthera canescens var. canescens Hoary aster Perennial herb  
Machaeranthera canescens var. leucanthemifolia Hoary aster Perennial herb  
Machaeranthera juncea Rush like bristleweed Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Malacothrix saxatilis Cliff aster Perennial herb 6
Malacothrix saxatilis var. tenuifolia Short leaved cliff aster Perennial herb 1
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 6
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 4
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 4
Marah macrocarpa Chilicothe Perennial herb, Vine 5
Marah macrocarpus Southern wild cucumber Perennial herb, Vine 5
Marah macrocarpus var. macrocarpus Southern wild cucumber Perennial herb, Vine 1
Marah macrocarpus var. major Southern wild cucumber Perennial herb, Vine 1
Marina parryi Parry dalea Perennial herb 1
Matelea parvifolia Spearleaf Perennial herb  
Melica californica California melic Perennial grass 25
Melica frutescens Tall melica Perennial grass 1
Melica imperfecta Coast range melic Perennial grass 20
Melica stricta Nodding melica Perennial grass  
Melica torreyana Torrey's melica Perennial grass 11
Menodora scabra var. glabrescens Broom tvinberry Perennial herb 2
Menodora scoparia Broom tvinberry Perennial herb 2
Mentha arvensis American wild mint Perennial herb 6
Mentha canadensis Wild mint Perennial herb 6
Mentzelia ravenii Grass blazingstar Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Mimulus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mirabilis albida Dwarf four o'clock Perennial herb 1
Mirabilis bigelovii Bigelow's desert four o'clock Perennial herb 3
Mirabilis bigelovii var. bigelovii Pale stemmed four o clock Perennial herb 1
Mirabilis bigelovii var. retrorsa Wishbone Perennial herb  
Mirabilis californica Wishbone bush Perennial herb 12
Mirabilis laevis Desert wishbone bush Perennial herb 3
Mirabilis laevis var. crassifolia California four o'clock Perennial herb 12
Mirabilis laevis var. laevis Desert wishbone bush Perennial herb  
Mirabilis laevis var. retrorsa Wishbone bush Perennial herb  
Mirabilis laevis var. villosa Wishbone bush Perennial herb 3
Mirabilis multiflora Giant four o'clock Perennial herb 8
Mirabilis multiflora var. pubescens Desert four o'clock Perennial herb  
Mirabilis pumila Little umbrella wort Perennial herb  
Mirabilis tenuiloba Slender lobed four o'clock Perennial herb  
Moehringia macrophylla Large leaved sandwort Perennial herb  
Monanthochloe littoralis Salt cedar Perennial grass 1
Monardella hypoleuca White leaf monardella Perennial herb  
Monardella hypoleuca ssp. hypoleuca White leaf monardella Perennial herb  
Monardella hypoleuca ssp. intermedia White leaf monardella Perennial herb  
Monardella hypoleuca ssp. lanata Felt leaved monardella Perennial herb (rhizomatous)  
Monardella linoides Narrow leaved monardella Perennial herb 7
Monardella linoides ssp. anemonoides Narrow leaved monardella Perennial herb 1
Monardella linoides ssp. linoides Flax like monardella Perennial herb 1
Monardella linoides ssp. viminea Willowy monardella Perennial herb 8
Monardella macrantha Hummingbird monardella Perennial herb 12
Monardella macrantha ssp. hallii Hall's monardella Perennial herb (rhizomatous)  
Monardella macrantha ssp. macrantha Hummingbird monardella Perennial herb  
Monardella nana Little monardella Perennial herb 2
Monardella nana ssp. arida Desert monardella Perennial herb 1
Monardella nana ssp. leptosiphon San felipe monardella Perennial herb (rhizomatous) 1
Monardella nana ssp. nana Little monardella Perennial herb  
Monardella nana ssp. tenuiflora Short flowered monardella Perennial herb  
Monardella stoneana Jennifer's monardella Perennial herb  
Monardella villosa Coyote mint Perennial herb 28
Monardella viminea Willowy monardella Perennial herb 8
Montia chamissoi Spring beauty Perennial herb  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia glauca Desert muhly Perennial grass  
Muhlenbergia porteri Porter's muhly Perennial grass 2
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muhlenbergia rigens Deergrass Perennial grass 62
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla coronata Crowned muilla Perennial herb (bulb)  
Muilla maritima Common muilla Perennial herb 1
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Myriopteris wootonii Wooton's lace fern Perennial herb  
Nassella cernua Nodding needlegrass Perennial grass 24
Nassella lepida Small flowered stipa Perennial grass 25
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nicotiana obtusifolia Desert tobacco Perennial herb 1
Nitrophila occidentalis Western nitrophila Perennial herb  
Nolina bigelovii Bigelow's nolina Perennial herb 3
Nolina interrata Dehesa nolina Perennial herb 1
Nolina parryi Parry's nolina Perennial herb 7
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenanthe sarmentosa Water parsley Perennial herb 9
Oenothera californica California evening primrose Perennial herb 6
Oenothera californica ssp. avita California evening primrose Perennial herb  
Oenothera californica ssp. californica California evening primrose Perennial herb  
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 18
Oenothera suffrutescens Wild honeysuckle, linda tarde Perennial herb  
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 20
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. feudgei California broomrape Perennial herb (parasitic)  
Orobanche cooperi Burroweed strangler Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche parishii Parish's broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. brachyloba Short lobed broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza brachypoda California sweet cicely Perennial herb  
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Oxalis albicans Hairywood sorrell Perennial herb  
Oxalis albicans ssp. californica Californica wood sorrel Perennial herb  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis californica Californica wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Packera cana Woolly groundsel Perennial herb  
Packera ganderi Gander's ragwort Perennial herb  
Paeonia brownii Peony Perennial herb 1
Paeonia californica California peony Perennial herb 1
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Panicum urvilleanum Desert panicgrass Perennial grass  
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis semibarbata Pine woods lousewort Perennial herb  
Pediomelum californicum Indian breadroot Perennial herb  
Penstemon Xparishii Hybrid beardtongue Perennial herb  
Penstemon centranthifolius Scarlet bugler Perennial herb 17
Penstemon clevelandii Cleveland's beardtongue Perennial herb 5
Penstemon clevelandii var. clevelandii Cleveland's beardtongue Perennial herb 1
Penstemon clevelandii var. connatus San jacinto beardtongue Perennial herb 1
Penstemon eatonii Eaton firecracker Perennial herb 28
Penstemon heterophyllus Foothill penstemon Perennial herb 40
Penstemon heterophyllus var. australis Southern foothill penstemon Perennial herb  
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon labrosus San gabriel beardtongue Perennial herb 2
Penstemon rostriflorus Bridge's penstemon Perennial herb 8
Penstemon speciosus Showy penstemon Perennial herb 13
Penstemon spectabilis Showy penstemon Perennial herb 24
Penstemon spectabilis var. spectabilis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosus Showy penstemon Perennial herb  
Penstemon stephensii Stephens's beardtongue Perennial herb  
Penstemon thurberi Thurber's beardtongue Perennial herb 1
Pentachaeta aurea ssp. aurea Golden chaetopappa Perennial herb  
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia oregana Oregon yampah Perennial herb 1
Perideridia parishii Parish's yampah Perennial herb  
Perideridia parishii ssp. latifolia Parish's yampah Perennial herb  
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Petalonyx thurberi Sandpaper plant Perennial herb 2
Petalonyx thurberi ssp. thurberi Thurber's sandpaper plant Perennial herb  
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia egena Rock phacelia Perennial herb 3
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia imbricata ssp. patula Imbricate phacelia Perennial herb  
Phacelia imbricata var. patula Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia oreopola ssp. oreopola San gabriel mtns. imbricate phacelia Perennial herb  
Phacelia perityloides Panamint phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 3
Phacelia ramosissima var. austrolitoralis South coast branching phacelia Perennial herb 3
Phacelia ramosissima var. latifolia Branching phacelia Perennial herb 3
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb  
Phacelia ramosissima var. subglabra Branching phacelia Perennial herb 3
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phlox austromontana Southern mountain phlox Perennial herb  
Pholisma arenarium Dune food Perennial herb (parasitic)  
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phragmites australis Common reed Perennial grass 1
Phragmites australis ssp. americanus Perennial grass  
Phragmites australis ssp. berlandieri Perennial grass  
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyllospadix scouleri Scouler's surfgrass Perennial herb  
Phyllospadix torreyi Surf grass Perennial herb  
Physalis hederifolia Ivy leafed tomatillo Perennial herb  
Physalis hederifolia var. fendleri Fendler's ivy leaf tomatillo Perennial herb  
Physalis hederifolia var. palmeri Palmer's ground cherry Perennial herb  
Pilostyles thurberi Thurber's pilostyles Perennial herb (parasitic)  
Piperia colemanii Coleman's piperia Perennial herb  
Piperia cooperi Coopers rein orchid Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elegans ssp. elegans Elegant piperia Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Platanthera dilatata Scentbottle Perennial herb  
Platanthera dilatata var. leucostachys Sierra bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Platanthera sparsiflora Bog orchid Perennial herb  
Pleuraphis rigida Galletta grass Perennial grass 7
Poa ampla Western blue grass Perennial grass 15
Poa atropurpurea San bernardino blue grass Perennial grass (rhizomatous) 1
Poa fendleriana Muttongrass Perennial grass 4
Poa juncifolia Western blue grass Perennial grass 14
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. juncifolia Rush blue grass Perennial grass 14
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Polygala cornuta Sierra milkwort Perennial herb  
Polygala cornuta var. cornuta Sierra milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Porophyllum gracile Odora Perennial herb  
Potamogeton berchtoldii Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 16
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla biennis Biennial cinquefoil Perennial herb 1
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla gracilis Northwest cinquefoil Perennial herb 15
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. clevelandii Cleveland's shooting star Perennial herb  
Proboscidea althaeifolia Desert devil's claw Perennial herb  
Prunella vulgaris Self heal Perennial herb 19
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium biolettii Two-color rabbit-tobacco Perennial herb 4
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium leucocephalum White cudweed Perennial herb  
Pseudognaphalium microcephalum Wright's cudweed Perennial herb 3
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 4
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pterospora andromedea Pine drops Perennial herb (parasitic)  
Pycnanthemum californicum California mint Perennial herb 4
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma uniflora Single headed pyrrocoma Perennial herb  
Pyrrocoma uniflora var. gossypina Bear valley pyrrocoma Perennial herb  
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 11
Ranunculus californicus var. californicus Common buttercup Perennial herb 2
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus canus var. ludovicianus Hartweg's buttercup Perennial herb  
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Romneya coulteri Coulter's matilija poppy Perennial herb (rhizomatous) 44
Romneya trichocalyx Hairy matilija poppy Perennial herb 1
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex hymenosepalus Wild rhubarb Perennial herb  
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex triangulivalvis Willow dock Perennial herb  
Rumex utahensis Toothed willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Rupertia rigida Parish's rupertia Perennial herb  
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Salicornia pacifica Pickleweed Perennial herb 8
Salicornia subterminalis Parish's glasswort Perennial herb 4
Salvia Xpalmeri Perennial herb  
Salvia sonomensis Sonoma sage Perennial herb 19
Salvia spathacea Hummingbird sage Perennial herb 37
Samolus parviflorus Water pimpernel Perennial herb  
Sanicula arguta Sharp toothed snakeroot Perennial herb 2
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula hoffmannii Hoffmann's sanicle Perennial herb  
Sanicula laciniata Coast sanicle Perennial herb  
Sanicula tuberosa Turkey pea Perennial herb  
Sarcostemma cynanchoides ssp. hartwegii Climbing milkweed Perennial herb, Vine 1
Sarcostemma hirtellum Rambling milkweed Perennial herb, Vine  
Satureja chandleri San miguel savory Perennial herb 6
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 25
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 14
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Schoenoplectus pungens var. longispicatus Common threesquare Perennial grass 2
Schoenoplectus tabernaemontani Softstem bulrush Perennial grass 12
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 14
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus microcarpus Small fruited bulrush Perennial grass 20
Scirpus pendulus Drooping bulrush Perennial grass  
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
Scopulophila rixfordii Rixford's rock wort Perennial herb  
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria bolanderi Bolander's skullcap Perennial herb  
Scutellaria bolanderi ssp. austromontana Southern skullcap Perennial herb (rhizomatous)  
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum spathulifolium Pacific stonecrop Perennial herb 28
Senecio astephanus San gabriel ragwort Perennial herb  
Senecio canus Woolly ragwort Perennial herb  
Senecio ganderi Gander's ragwort Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia mountain butterweed Perennial herb  
Senna covesii Coves's cassia Perennial herb 5
Sesuvium verrucosum Western sea purslane Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea malviflora Wild hollyhock Perennial herb 20
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. malviflora Checker mallow Perennial herb (rhizomatous) 1
Sidalcea malviflora ssp. sparsifolia Few leafed checkerbloom Perennial herb (rhizomatous)  
Sidalcea neomexicana Mountain sidalcea Perennial herb 2
Sidalcea sparsifolia Southern checkerbloom Perennial herb (rhizomatous)  
Silene laciniata Cardinal catchfly Perennial herb 6
Silene laciniata ssp. laciniata Cardinal catchfly Perennial herb 2
Silene laciniata ssp. major Indian pink Perennial herb 2
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene parishii Parish's campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Solanum douglasii Douglas' nightshade Perennial herb 4
Solanum xanti Nightshade Perennial herb, Shrub 13
Solidago californica Oreja de liebre Perennial herb 27
Solidago confinis Southern goldenrod Perennial herb 4
Solidago sparsiflora Great basin goldenrod Perennial herb 4
Solidago velutina Threenerve goldenrod Perennial herb 8
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
Solidago velutina ssp. sparsiflora Great basin goldenrod Perennial herb 2
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Sparganium eurycarpum var. greenei Bur reed Perennial herb 2
Spartina foliosa Pacific cordgrass Perennial grass  
Spartina gracilis Alkali cord grass Perennial grass (rhizomatous)  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Sphaeralcea ambigua Desert mallow Perennial herb 29
Sphaeralcea ambigua var. ambigua Apricot mallow Perennial herb 2
Sphaeralcea ambigua var. rosacea Rosy apricot mallow Perennial herb  
Sphaeralcea ambigua var. rugosa Desert globemallow Perennial herb  
Sphaeralcea emoryi Emory's globemallow Perennial herb 1
Sphaeralcea emoryi var. emoryi Emory's desert mallow Perennial herb 1
Sphaeromeria cana Tansy Perennial herb  
Sphenopholis obtusata Prairie wedge grass Perennial grass  
Sphenosciadium capitellatum Grayswamp whiteheads Perennial herb 2
Spiranthes porrifolia Western ladies tresses Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus airoides var. wrightii Alkali sacaton Perennial grass 7
Sporobolus contractus Spike dropseed Perennial grass 1
Sporobolus cryptandrus Sand dropseed Perennial grass 11
Sporobolus flexuosus Mesa dropseed Perennial grass  
Sporobolus wrightii Big sacaton Perennial grass 7
Stachys ajugoides Hedge nettle Perennial herb 7
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 7
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys bergii Berg's hedgenettle Perennial herb 1
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb 1
Stachys pycnantha Short spike hedge nettle Perennial herb 3
Stachys rigida Rough hedgenettle Perennial herb 4
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb 1
Stachys rigida var. rigida Rough hedgenettle Perennial herb 1
Stachys stebbinsii Stebbins' hedgenettle Perennial herb  
Stanleya pinnata Prince's plume Perennial herb, Shrub 7
Stanleya pinnata var. inyoensis Inyo prince's plume Perennial herb, Shrub 2
Stanleya pinnata var. pinnata Prince's plume Perennial herb, Shrub 2
Stemodia durantifolia White woolly stemodia Perennial herb  
Stephanomeria cichoriacea Fort tejon milk aster Perennial herb  
Stephanomeria pauciflora Wire lettuce Perennial herb 1
Stephanomeria pauciflora var. pauciflora Wire lettuce Perennial herb 1
Stillingia linearifolia Narrow leaved stillingia Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa comata Needle-and-thread Perennial grass 10
Stipa comata var. comata Needle & thread grass Perennial grass 1
Stipa coronata Crested needle grass Perennial grass 7
Stipa diegoensis San diego county needle grass Perennial grass  
Stipa divaricata Small-flowered rice grass Perennial grass  
Stipa hymenoides Indian rice grass Perennial grass 15
Stipa lemmonii Lemmon's needle grass Perennial grass 2
Stipa lemmonii var. lemmonii Lemmon's needle grass Perennial grass  
Stipa lepida Foothill needle grass Perennial grass 24
Stipa lettermanii Letterman's needle grass Perennial grass 1
Stipa nelsonii Mountain needle grass Perennial grass  
Stipa nelsonii var. dorei Mountain needle grass Perennial grass 4
Stipa occidentalis Western needlegrass Perennial grass 1
Stipa occidentalis var. californica California needle grass Perennial grass  
Stipa occidentalis var. occidentalis Western needle grass Perennial grass  
Stipa occidentalis var. pubescens Common western needle grass Perennial grass  
Stipa parishii Parish's needlegrass Perennial grass  
Stipa parishii var. parishii Parish's needlegrass Perennial grass  
Stipa pulchra Purple needle grass Perennial grass 42
Stipa speciosa Desert needle grass Perennial grass 8
Streptanthus bernardinus Laguna mtns. jewel flower Perennial herb  
Streptanthus campestris Southern jewel flower Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda esteroa Estuary seablite Perennial herb 1
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra Bush seepweed Perennial herb 3
Swallenia alexandrae Eureka valley dune grass Perennial grass (rhizomatous)  
Swertia parryi Parry's green gentian Perennial herb  
Symphyotrichum ascendens Western aster Perennial herb 1
Symphyotrichum chilense Pacific aster Perennial herb 35
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 14
Symphyotrichum defoliatum San bernardino aster Perennial herb (rhizomatous)  
Symphyotrichum lanceolatum White panicle aster Perennial herb  
Symphyotrichum lanceolatum var. hesperium Western lance leaf aster Perennial herb  
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Tauschia arguta Southern tauschia Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tauschia parishii Parish's tauschia Perennial herb  
Thalictrum fendleri Fendler's meadow rue Perennial herb 11
Thalictrum fendleri var. fendleri Fendler's meadow rue Perennial herb  
Thalictrum fendleri var. polycarpum Torrey's meadow rue Perennial herb 13
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 13
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis gracilis Slender goldenbanner Perennial herb (rhizomatous) 1
Thermopsis gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous) 1
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous) 1
Thymophylla pentachaeta Fiveneedle pricklyleaf Perennial herb 3
Thymophylla pentachaeta var. belenidium Five needled thymophylla Perennial herb 1
Tidestromia oblongifolia Honey sweet Perennial herb  
Tiquilia canescens Woody crinklemat Perennial herb, Shrub  
Tiquilia canescens var. canescens Gray coldenia Perennial herb, Shrub  
Tiquilia palmeri Palmer's coldenia Perennial herb  
Tiquilia plicata Plicate coldenia Perennial herb  
Toxicoscordion brevibracteatum Desert death camas Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Tridens muticus Slim tridens Perennial grass  
Trifolium macrocephalum Big headed clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 8
Triglochin concinna Arrow grass Perennial herb (aquatic)  
Triglochin concinna var. concinna Arrow grass Perennial herb (aquatic)  
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 5
Trisetum spicatum Narrow oatgrass Perennial grass  
Turricula parryi Poodle dog bush Perennial herb 1
Turritis glabra Tower rockcress Perennial herb  
Typha domingensis Cattail Perennial herb 5
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 11
Urtica dioica ssp. gracilis Nettle Perennial herb  
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Venegasia carpesioides Canyon sunflower Perennial herb 10
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Veratrum fimbriatum Fringed cornlily Perennial herb 1
Verbena lasiostachys Western vervain Perennial herb 16
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Verbena scabra Rough vervain Perennial herb  
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Vicia americana American vetch Perennial herb, Vine 4
Vicia americana ssp. americana American vetch Perennial herb, Vine  
Vicia americana var. americana Vetch Perennial herb, Vine  
Viola adunca Western dog violet Perennial herb 18
Viola adunca ssp. adunca Western dog violet Perennial herb 1
Viola adunca var. adunca Western bog violet Perennial herb 1
Viola adunca var. kirkii Yosemite dog violet Perennial herb 1
Viola aurea Golden violet Perennial herb  
Viola douglasii Douglas' violet Perennial herb 2
Viola lobata Moose horn violet Perennial herb  
Viola lobata ssp. integrifolia Delta leafed forest violet Perennial herb  
Viola lobata ssp. lobata Moose horn violet Perennial herb  
Viola nephrophylla Leconte violet Perennial herb  
Viola pedunculata California golden violet Perennial herb 1
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb 1
Viola pedunculata ssp. tenuifolia Johnny jump up Perennial herb 1
Viola pinetorum Pine violet Perennial herb 2
Viola pinetorum ssp. pinetorum Pine violet Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. aurea Golden violet Perennial herb  
Viola purpurea ssp. mesophyta Goosefoot violet Perennial herb  
Viola purpurea ssp. mohavensis Mojave goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Wolffia arrhiza Water meal Perennial herb  
Wolffia borealis Northern water meal Perennial herb  
Wolffia columbiana Columbia water meal Perennial herb  
Wolffia globosa Water meal Perennial herb  
Wyethia ovata Southern wyethia Perennial herb  
Xanthisma junceum Rush like bristleweed Perennial herb  
Xylorhiza orcuttii Orcutt's woody aster Perennial herb 1
Xylorhiza tortifolia Mojave woodyaster Perennial herb 4
Xylorhiza tortifolia var. tortifolia Desert aster Perennial herb  
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus brevibracteatus Desert death camas Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
Zostera marina Eel grass Perennial herb  
  Lifeform: Fern67 plants
  Lifeform: Shrub621 plants
  Lifeform: Tree81 plants
  Lifeform: Vine1 plant
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in San Diego County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.