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Criteria:   found in Merced County  •   is native  •  group by lifeform
1388  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual777 plants
  Lifeform: Perennial466 plants
Achillea millefolium Yarrow Perennial herb 70
Achnatherum speciosum Desert needlegrass Perennial grass 8
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. glaber Deerweed Perennial herb  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium crispum Crinkled onion Perennial herb (bulb) 2
Allium diabolense Diablo onion Perennial herb (bulb)  
Allium dichlamydeum Coast onion Perennial herb (bulb) 3
Allium howellii Howell's onion Perennial herb (bulb) 1
Allium howellii var. howellii Howell's onion Perennial herb (bulb)  
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium serra Jeweled onion Perennial herb (bulb) 1
Allium tuolumnense Rawhide hill onion Perennial herb (bulb)  
Ambrosia psilostachya Ragweed Perennial herb 7
Anemopsis californica Yerba mansa Perennial herb 31
Antennaria geyeri Geyer's pussytoes Perennial herb  
Antirrhinum thompsonii Perennial herb 4
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Apocynum cannabinum Indian hemp Perennial herb 11
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Artemisia douglasiana California mugwort Perennial herb 34
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Asclepias californica California milkweed Perennial herb 8
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 8
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias fascicularis narrow leaf milkweed Perennial herb 31
Asclepias vestita Woolly milkweed Perennial herb  
Astragalus asymmetricus San joaquin milk vetch Perennial herb 1
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus oxyphysus Stanislaus milk vetch Perennial herb  
Atriplex fruticulosa Ball saltbush Perennial herb  
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Bacopa eisenii Gila river water hyssop Perennial herb  
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens laevis Bur marigold Perennial herb 4
Bloomeria crocea Golden stars Perennial herb 10
Boechera breweri Brewer's rock cress Perennial herb 1
Boechera breweri ssp. breweri Brewer's rockcress 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
Brasenia schreberi Watershield Perennial herb (aquatic)  
Brodiaea appendiculata Hoover's brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea minor Low brodiaea Perennial herb 2
Brodiaea nana Dwarf brodiaea Perennial herb  
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
Bromus carinatus California bromegrass Perennial grass 19
Bromus carinatus var. carinatus California brome Perennial grass 19
Bromus sitchensis var. carinatus California brome Perennial grass 19
Callitriche fassettii Fassett's water starwort Perennial herb  
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche longipedunculata Longstock water-starwort Perennial herb  
Calochortus clavatus Club haired mariposa Perennial herb 1
Calochortus clavatus var. pallidus Pale yellow mariposa Perennial herb 1
Calochortus luteus Yellow mariposa Perennial herb 5
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. cuneata Milk maids Perennial herb  
Carex barbarae Valley sedge Perennial grass 24
Carex densa Sedge Perennial grass 8
Carex dudleyi Dudley's sedge Perennial grass 8
Carex luzulifolia Littleleaf sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 13
Carex phaeocephala Mountain hare sedge Perennial grass  
Carex praegracilis Field sedge Perennial grass 28
Carex preslii Presl's sedge Perennial grass 1
Carex rossii Ross' sedge Perennial grass 1
Carex serratodens Bifid sedge Perennial grass 2
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Castilleja foliolosa Texas paintbrush Perennial herb 3
Ceratophyllum demersum Hornwort Perennial herb 1
Chenopodium californicum California goosefoot Perennial herb 1
Chlorogalum angustifolium Narrow leaved soaproot Perennial herb 1
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Cirsium cymosum Peregrine thistle Perennial herb  
Cirsium cymosum var. cymosum Peregrine thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. venustum Venus thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 26
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Corethrogyne filaginifolia Common sandaster Perennial herb 9
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 12
Cressa truxillensis Alkali weed Perennial herb 3
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cynoglossum grande Houndstongue Perennial herb 5
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus esculentus Nut grass Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 21
Datisca glomerata Durango root Perennial herb 2
Datura wrightii Jimsonweed Perennial herb 15
Delphinium californicum Coast larkspur Perennial herb 3
Delphinium californicum ssp. interius Coastal larkspur Perennial herb  
Delphinium gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium hansenii Hansen's larkspur Perennial herb  
Delphinium hansenii ssp. ewanianum Ewan's larkspur Perennial herb  
Delphinium hansenii ssp. hansenii Hansen's larkspur Perennial herb  
Delphinium hesperium Western larkspur Perennial herb 1
Delphinium hesperium ssp. hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb 1
Delphinium parishii Parish's larkspur Perennial herb  
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. patens Spreading larkspur Perennial herb  
Delphinium recurvatum Recurved larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum ssp. variegatum Royal larkspur 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 multiflorum Many flowered brodiaea Perennial herb 6
Dichelostemma volubile Twining brodiaea Perennial herb 9
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Distichlis spicata Salt grass Perennial grass 25
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 11
Dudleya abramsii Abrams' dudleya Perennial herb 2
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. paniculata Diablo range dudleya Perennial herb  
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 coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis quadrangulata Four angled spikerush Perennial grass  
Elodea canadensis Common water weed Perennial herb  
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus glaucus Blue wildrye Perennial grass 32
Elymus multisetus Big squirreltail grass Perennial grass 12
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 canum California fuchsia Perennial herb 49
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. glandulosum Glandular willowherb Perennial herb 1
Epilobium palustre Marsh willow herb Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. petrophilus Cliff fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 3
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 3
Eriogonum inflatum Desert trumpet Perennial herb  
Eriogonum nudum var. indictum Naked buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriophyllum jepsonii Jepson's woolly sunflower Perennial herb 2
Eriophyllum lanatum Wooly sunflower Perennial herb 27
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum staechadifolium Lizard tail Perennial herb 17
Eryngium castrense Great valley button celery Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Eryngium vaseyi var. vallicola Coyote thistle Perennial herb  
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
Erythranthe cardinalis Cardinal monkey flower Perennial herb 41
Erythranthe nasuta Perennial herb  
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Euthamia occidentalis Western goldenrod Perennial herb 15
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Fritillaria agrestis Stinkbells Perennial herb (bulb) 1
Galium mexicanum Mexican bedstraw Perennial herb  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum var. pacificum Bedstraw Perennial herb  
Glycyrrhiza lepidota Lichorice Perennial herb 2
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Grindelia camporum Gumweed Perennial herb 13
Grindelia camporum var. camporum Great valley gumweed Perennial herb 1
Grindelia hirsutula Gumweed Perennial herb 11
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 12
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb  
Grindelia stricta Gumweed Perennial herb 28
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
Helenium puberulum Sneezeweed Perennial herb 10
Helianthus californicus California sunflower Perennial herb 4
Helianthus nuttallii Nuttall's sunflower Perennial herb  
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Hoita macrostachya California hemp Perennial herb 6
Hordeum brachyantherum Meadow barley Perennial grass 24
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum jubatum Fox tail barley Perennial grass 7
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Iris longipetala Coast iris Perennial herb 25
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus exiguus Klamath or weak rush Perennial grass  
Juncus mexicanus Mexican rush Perennial grass 10
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus textilis Basket rush Perennial grass 7
Juncus xiphioides Iris leaved rush Perennial grass 16
Koeleria macrantha June grass Perennial grass 29
Lathyrus jepsonii Tule pea Perennial herb 1
Lathyrus jepsonii var. californicus California tule pea Perennial herb 1
Lathyrus vestitus Common pacific pea Perennial herb 7
Leersia oryzoides Rice cutgrass Perennial grass 2
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 trisulca Star duckweed Perennial herb  
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Leymus triticoides Alkali rye Perennial grass 30
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. caruifolium Caraway leaved lomatium Perennial herb  
Lomatium congdonii Congdon's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium utriculatum Hog fennel Perennial herb 2
Lotus scoparius Deerweed Perennial herb 21
Lotus scoparius var. scoparius Deerweed Perennial herb  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus grayi Gray's lupine Perennial herb 2
Lupinus polyphyllus Bog lupine Perennial herb 27
Lycopus americanus Bugleweed Perennial herb 2
Lysimachia latifolia Pacific starflower Perennial herb 2
Lythrum californicum Common loosestrife Perennial herb  
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
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 2
Melica imperfecta Coast range melic Perennial grass 21
Micranthes californica Greene's saxifrage Perennial herb  
Microseris sylvatica Sylvan scorzonella Perennial herb 1
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Minuartia cismontana Cismontane minuartia 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
Moehringia macrophylla Large leaved sandwort Perennial herb  
Monardella villosa Coyote mint Perennial herb 28
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia rigens Deergrass Perennial grass 62
Muilla maritima Common muilla Perennial herb 1
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
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
Nitrophila occidentalis Western nitrophila 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
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Packera breweri Brewer's ragwort Perennial herb  
Paspalum distichum Knot grass Perennial grass 2
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 heterophyllus var. purdyi Purdy's foothill penstemon Perennial herb 1
Perideridia californica California yampah Perennial herb 4
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phragmites australis Common reed Perennial grass 1
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. incisa Common lippia Perennial herb 12
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyla nodiflora var. rosea Garden lippia Perennial herb 12
Piperia michaelii Michael's rein orchid Perennial herb  
Plantago subnuda Coastal plantain Perennial herb 7
Poa ampla Western blue grass Perennial grass 15
Poa juncifolia Western blue grass Perennial grass 14
Poa nevadensis Sierra blue grass Perennial grass 14
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
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
Potamogeton berchtoldii Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
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)  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. patula Padre's shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 11
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 4
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup 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 canus Hartweg's buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex crassus Willow leaved dock Perennial herb  
Rumex hymenosepalus Wild rhubarb Perennial herb  
Rumex salicifolius var. crassus Willow leaved dock Perennial herb  
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria longiloba Long lobed arrowhead Perennial herb (aquatic)  
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Salicornia subterminalis Parish's glasswort Perennial herb 4
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 3
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. longispicatus Common threesquare Perennial grass 2
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 pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Senecio breweri Brewer's groundsel Perennial herb  
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 21
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sparganium erectum Simplestem bur reed Perennial herb  
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
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spirodela polyrhiza Giant duckmeat Perennial herb  
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus cryptandrus Sand dropseed Perennial grass 11
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 albens Cobwebby hedge nettle Perennial herb 9
Stachys bergii Berg's hedgenettle Perennial herb 1
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb 1
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb 1
Stephanomeria pauciflora Wire lettuce Perennial herb 1
Stipa cernua Nodding needle grass Perennial grass 23
Stipa lepida Foothill needle grass Perennial grass 24
Stipa pulchra Purple needle grass Perennial grass 42
Stipa speciosa Desert needle grass Perennial grass 8
Stuckenia filiformis Fineleaf pondweed Perennial herb (rhizomatous)  
Stuckenia filiformis ssp. alpina Fineleaf pondweed Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra Bush seepweed Perennial herb 3
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium wormskioldii Cow clover Perennial herb 8
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia laxa Ithuriel's spear Perennial herb 12
Typha domingensis Cattail Perennial herb 5
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 11
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Utricularia macrorhiza Common bladderwort Perennial herb  
Verbena lasiostachys Western vervain Perennial herb 16
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Veronica americana American brooklime Perennial herb 6
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Viola douglasii Douglas' violet Perennial herb 2
Viola lobata Moose horn violet Perennial herb  
Viola pedunculata California golden violet Perennial herb 1
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb 1
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Wolffiella lingulata Mud midget Perennial herb  
Wyethia helenioides Whitehead wyethia Perennial herb 2
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern25 plants
  Lifeform: Shrub96 plants
Allenrolfea occidentalis Iodine bush Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Artemisia californica Coastal sage brush Shrub 44
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Atriplex canescens Hoary saltbush Shrub 22
Atriplex canescens ssp. canescens Shadscale Shrub 1
Atriplex canescens var. canescens Fourwing saltbush Shrub 1
Atriplex lentiformis Big saltbush Shrub 34
Atriplex polycarpa Cattle spinach Shrub 10
Atriplex spinifera Spinescale saltbush Shrub 6
Baccharis pilularis Coyote brush Shrub 57
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Calycanthus occidentalis Spicebush Shrub 41
Ceanothus arboreus Island ceanothus Shrub 12
Ceanothus griseus Carmel ceanothus Shrub 37
Ceanothus thyrsiflorus var. griseus Carmel ceanothus Shrub 17
Cephalanthus occidentalis Common buttonbush Shrub 14
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercis occidentalis Western redbud Tree, Shrub 66
Cornus sericea American dogwood Shrub 43
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Diplacus longiflorus southern bush monkeyflower Shrub 13
Eastwoodia elegans Yellow mock aster Shrub  
Ephedra californica Desert tea Shrub 2
Ericameria linearifolia Interior goldenbush Shrub 6
Eriogonum arborescens Island buckwheat Shrub 18
Eriogonum fasciculatum California buckwheat Shrub 42
Eriogonum fasciculatum var. polifolium California buckwheat Shrub 3
Eriogonum nudum Naked buckwheat Shrub 15
Eriophyllum confertiflorum Yellow yarrow Shrub 22
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Hesperoyucca whipplei Chaparral yucca Shrub 32
Heteromeles arbutifolia Toyon Shrub 64
Isocoma acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. bracteosa Bracted alkali goldenbush Shrub  
Isocoma menziesii White flowered goldenbush Shrub 15
Isomeris arborea Bladderpod Shrub 31
Juniperus californica California juniper Shrub 4
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. glabrisepala Hairless gaping keckiella Shrub  
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. collinus Silver bush lupine Shrub 8
Lycium brevipes Fruitilla Shrub 3
Lycium brevipes var. hassei Santa catalina island desert thorn Shrub  
Malacothamnus arcuatus Arcuate bush mallow Shrub 15
Malacothamnus fasciculatus Chaparral bush mallow Shrub 19
Malacothamnus hallii Hall's bush mallow Shrub 15
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus aurantiacus var. pubescens Sticky monkeyflower Shrub 2
Mimulus puniceus Red bush monkeyflower Shrub 52
Peritoma arborea Bladderpod Shrub 29
Peritoma arborea var. globosa Bladderpod Shrub  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Prosopis glandulosa Honey mesquite Tree, Shrub 14
Prosopis glandulosa var. torreyana Honey mesquite Tree, Shrub 5
Prunus ilicifolia Holly leaf cherry Tree, Shrub 34
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Ptelea crenulata Hop tree Tree, Shrub 4
Quercus wislizeni Interior live oak Tree, Shrub 22
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhododendron macrophyllum California rose bay Shrub 9
Rhus aromatica Fragrant sumac Shrub 32
Rhus trilobata Skunkbrush Shrub 32
Ribes aureum Golden currant Shrub 50
Ribes aureum var. gracillimum Golden currant Shrub 9
Ribes malvaceum Chaparral currant Shrub 23
Ribes quercetorum Oak gooseberry Shrub 2
Rosa californica California wild rose Shrub 52
Rosa woodsii Woods' rose Shrub 28
Rubus ursinus California blackberry Vine, Shrub 38
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix lasiolepis Arroyo willow Tree, Shrub 23
Salix lucida Shining willow Tree, Shrub 19
Salvia mellifera Black sage Shrub 44
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Senecio flaccidus Shrubby ragwort Shrub 6
Senecio flaccidus var. douglasii Bush groundsel Shrub 3
Solanum umbelliferum Blue witch Shrub 10
Vitis californica California wild grape Vine, Shrub 39
Yucca whipplei Our lord's candle Shrub 31
  Lifeform: Tree22 plants
  Lifeform: Vine1 plant
Cuscuta howelliana Boggs lake dodder Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Merced 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.