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Criteria:   found in Santa Cruz County  •   is not native  •  group by lifeform
828  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual376 plants
Abutilon theophrasti Velvet leaf Annual herb  
Aegilops cylindrica ! Jointed goatgrass Annual grass  
Aegilops triuncialis ! Goatgrass Annual grass  
Agrostis hyemalis Winter bentgrass Annual grass 4
Aira caryophyllea Silvery hairgrass Annual grass  
Aira praecox Yellow hairgrass Annual grass  
Amaranthus albus Tumbleweed Annual herb  
Amaranthus deflexus Large fruited amaranth Annual herb  
Amaranthus retroflexus Rough pigweed Annual herb  
Anagallis arvensis Scarlet pimpernel Annual herb 3
Anthemis cotula Dog fennel Annual herb  
Anthoxanthum odoratum ! Sweet vernal grass Annual, Perennial grass 3
Anthriscus caucalis Bur chevril Annual herb, Vine  
Apera interrupta Dense silky bent Annual grass  
Apium graveolens Celery Annual, Biennial herb 1
Arctotheca calendula ! Cape weed Annual, Perennial herb 1
Arctotheca prostrata ! Prostrate cape weed Annual, Perennial herb 1
Artemisia annua Sweet annie Annual herb 2
Artemisia biennis Biennial sagewort Annual, Perennial herb  
Atriplex prostrata Fat-hen Annual herb 1
Atriplex triangularis Spearscale Annual herb 1
Avena barbata ! Slim oat Annual grass  
Avena fatua ! Wildoats Annual grass 2
Avena sativa Wild oat Annual, Perennial grass 7
Bellardia trixago ! Mediterranean lineseed Annual herb  
Bidens pilosa Hairy beggarticks Annual herb  
Borago officinalis Common borage Annual herb 5
Brachypodium distachyon ! Purple false brome Annual, Perennial grass  
Brassica nigra ! Black mustard Annual herb  
Brassica oleracea Cabbage Annual herb 2
Brassica rapa ! Common mustard Annual herb  
Briza maxima ! Rattlesnake grass Annual grass 3
Briza minor Little rattlesnake grass Annual grass  
Bromus berteroanus Chilean chess Annual grass  
Bromus catharticus Rescue grass Annual, Perennial grass  
Bromus catharticus var. catharticus Rescue grass Annual, Perennial grass  
Bromus catharticus var. elatus Chilean brome Annual, Perennial grass  
Bromus diandrus ! Ripgut brome Annual grass  
Bromus hordeaceus ! Soft chess Annual grass 4
Bromus japonicus ! Hairy chess Annual grass  
Bromus madritensis Foxtail chess, foxtail brome Annual grass  
Bromus madritensis ssp. madritensis Foxtail chess Annual grass  
Bromus madritensis ssp. rubens ! Foxtail brome Annual grass 2
Bromus racemosus Smooth brome Annual grass  
Bromus rubens ! Red brome Annual grass 2
Bromus stamineus Roadside brome Annual, Perennial grass  
Bromus sterilis Sterile brome Annual grass  
Bromus tectorum ! Downy chess Annual grass  
Bromus trinii Chilian chess Annual grass  
Bupleurum lancifolium Lance leaf bupleurum Annual herb  
Cakile edentula Sea rocket Annual herb 2
Cakile maritima ! Sea rocket Annual herb  
Calendula arvensis Field marigold Annual herb  
Calendula officinalis Pot marigold Annual herb 9
Cannabis sativa Herb Annual herb  
Capsella bursa-pastoris Shepherd's purse Annual herb 1
Cardamine flexuosa Woodland bittercress Annual, Biennial, Perennial herb  
Cardamine hirsuta Hairy bitter cress Annual herb  
Carduus pycnocephalus ! Italian thistle Annual herb  
Carduus pycnocephalus ssp. pycnocephalus Italian thistle Annual herb  
Carduus tenuiflorus ! Slender flowered thistle Annual herb  
Centaurea benedicta Blessed thistle Annual herb 1
Centaurea calcitrapa ! Purple star thistle Annual, Perennial herb  
Centaurea cyanus Bachelor's button Annual herb 7
Centaurea melitensis ! Tocalote Annual herb  
Centaurea solstitialis ! Yellow starthistle Annual herb  
Centaurea sulphurea Sicilian starthistle Annual herb  
Centaurium erythraea European centaury Annual herb 1
Centaurium tenuiflorum Slender centaury Annual herb 1
Centranthus ruber Jupiter's beard Annual, Perennial herb 6
Cerastium glomeratum Large mouse ears Annual herb  
Cerinthe major Honeywort Annual herb  
Cerinthe major ssp. purpurascens Blue shrimp plant Annual herb  
Chamaesyce maculata Spotted spurge Annual herb  
Chamaesyce nutans Large spurge Annual herb  
Chamaesyce prostrata Prostrate spurge Annual herb  
Chenopodium album Lambs quarters Annual herb  
Chenopodium ambrosioides Mexican tea Annual, Perennial herb 3
Chenopodium ambrosioides var. suffruticosum Wormseed Annual, Perennial herb  
Chenopodium chenopodioides Goosefoot Annual herb  
Chenopodium macrospermum Largeseed goosefoot Annual herb  
Chenopodium macrospermum var. halophilum Coast goosefoot Annual herb  
Chenopodium murale Nettle leaf goosefoot Annual herb  
Chenopodium pumilio Tasmanian goosefoot Annual herb  
Chenopodium rubrum var. humile Red goosefoot Annual herb  
Chenopodium strictum Lateflowering goosefoot Annual herb  
Chenopodium strictum var. glaucophyllum White leaved goosefoot Annual herb  
Chrysanthemum coronarium Crown daisy Annual herb 2
Ciclospermum leptophyllum Marsh parsley Annual herb  
Cnicus benedictus Blessed thistle Annual herb 1
Consolida ajacis Doubtful knight's spur Annual herb 6
Conyza bilboana Horseweed Annual herb  
Conyza bonariensis South american horseweed Annual herb  
Conyza floribunda Tropical horseweed Annual herb  
Coreopsis tinctoria Calliopsis Annual herb 13
Coriandrum sativum Cilantro Annual herb 4
Coronopus didymus Lesser swine cress Annual herb  
Cosmos bipinnatus Garden cosmos Annual herb 10
Cotula australis Brass buttons Annual herb  
Crassula argentea Jade plant Annual herb 3
Crassula ovata Jade plant Annual herb 3
Crassula tillaea Mediterranean pygmy weed Annual herb 1
Crepis capillaris Smooth hawksbeard Annual, Perennial herb  
Crepis setosa Rough hawksbeard Annual herb  
Crepis vesicaria Beaked hawksbeard Annual, Perennial herb  
Crepis vesicaria ssp. taraxacifolia Weedy hawksbeard Annual, Perennial herb  
Crypsis schoenoides Swamp grass Annual grass  
Crypsis vaginiflora African prickle grass Annual grass  
Cyclospermum leptophyllum Marsh parsley Annual herb  
Cymbalaria muralis Kenilworth ivy Annual, Perennial herb 3
Cynosurus echinatus ! Dogtail grass Annual grass  
Cyperus difformis Variable flatsedge Annual grass  
Cyperus fuscus Brown flatsedge Annual grass  
Cypselea humifusa Panal Annual herb  
Dactyloctenium aegyptium Crows foot grass Annual, Perennial grass  
Datura ferox Chinese thornapple Annual herb 1
Datura stramonium Jimson weed Annual herb 2
Descurainia sophia ! Herb sophia Annual herb  
Desmazeria rigida Hard bluegrass Annual grass  
Digitaria ischaemum Smooth crabgrass Annual grass  
Digitaria sanguinalis Crabgrass Annual grass  
Dimorphotheca sinuata African daisy Annual herb 4
Dittrichia graveolens ! Stinkwort Annual herb  
Dysphania ambrosioides Mexican tea Annual, Perennial herb 3
Dysphania anthelmintica Annual herb  
Dysphania pumilio Tasmanian goosefoot Annual herb  
Echinochloa colona Jungle rice Annual grass  
Echinochloa crus-galli Barnyard grass Annual grass  
Echinochloa crus-pavonis Gulf cockspur grass Annual grass  
Echinochloa muricata Rough barnyard grass Annual grass  
Elymus caput-medusae ! Medusa head Annual grass  
Eragrostis cilianensis Stinkgrass Annual grass  
Erechtites glomerata Australasian fireweed Annual, Perennial herb  
Erechtites minima Australian fireweed Annual, Perennial herb  
Erigeron bonariensis Flax-leaved horseweed Annual herb  
Erigeron sumatrensis Tropical horseweed Annual herb  
Erodium botrys Big heron bill Annual herb  
Erodium brachycarpum White stemmed filaree Annual herb  
Erodium cicutarium ! Coastal heron's bill Annual herb 4
Erodium moschatum Whitestem filaree Annual herb  
Euphorbia helioscopia Wartweed Annual herb  
Euphorbia hirta Pillpod sandmat Annual herb  
Euphorbia lathyris ! Gopher plant Annual, Perennial herb 2
Euphorbia maculata Spotted spurge Annual herb  
Euphorbia peplus Petty spurge Annual herb  
Euphorbia prostrata Prostrate sandmat Annual herb  
Euphorbia serpens Matted sandmat Annual herb  
Fallopia convolvulus Black bindweed Annual herb  
Festuca bromoides Brome fescue Annual grass  
Festuca myuros ! Rattail sixweeks grass Annual grass 4
Festuca perennis ! Italian rye grass Annual, Perennial grass 7
Festuca temulenta Darnel, tares Annual grass  
Filago gallica Narrow leaved filago Annual herb  
Fumaria muralis Wall fumitory Annual herb  
Fumaria officinalis Fumitory Annual herb  
Fumaria parviflora Fine leaved fumitory Annual herb  
Galinsoga parviflora Gallant soldier Annual herb  
Galinsoga parviflora var. parviflora Few flowered galinsoga Annual herb  
Galium divaricatum Lamarck's bedstraw Annual herb  
Galium murale Tiny bedstraw Annual herb  
Galium parisiense Wall bedstraw Annual herb  
Galium spurium Sticky willy Annual herb  
Gastridium phleoides Nit grass Annual grass  
Geranium dissectum ! Wild geranium Annual herb  
Geranium molle Crane's bill geranium Annual, Perennial herb  
Geranium palmatum Canary island geranium Annual herb  
Geranium purpureum ! Herb robert Annual, Biennial herb  
Geranium pusillum Small flowered geranium Annual herb  
Geranium robertianum Robert's geranium Annual herb 1
Geranium rotundifolium Round leaved geranium Annual herb  
Glebionis coronaria ! Crown daisy Annual herb 2
Gnaphalium luteo-album Common cudweed Annual herb  
Gnaphalium luteoalbum Jersey cudweed Annual herb  
Hainardia cylindrica Thin tail Annual grass  
Hedypnois cretica Crete weed Annual herb  
Hedypnois rhagadioloides Crete weed Annual herb  
Helminthotheca echioides ! Bristly ox-tongue Annual, Perennial herb  
Herniaria hirsuta Herniaria Annual herb  
Herniaria hirsuta ssp. cinerea Grey herniaria Annual herb  
Herniaria hirsuta var. cinerea Herniaria Annual herb  
Hibiscus trionum Flower of an hour Annual herb 2
Hordeum marinum Seaside barley Annual grass  
Hordeum marinum ssp. gussoneanum ! Barley Annual grass  
Hordeum murinum ! Foxtail barley Annual grass  
Hordeum murinum ssp. glaucum Foxtail Annual grass  
Hordeum murinum ssp. leporinum Farmer's foxtail Annual grass  
Hordeum vulgare Common barley Annual grass 5
Hypochaeris glabra ! Smooth cats ear Annual herb  
Ipomoea lacunosa Whitestar Annual herb, Vine  
Ipomoea purpurea Common morning glory Annual herb 2
Juncus capitatus Leafy bracted dwarf rush Annual grass  
Kochia scoparia ! Summer cypress Annual herb  
Lactuca saligna Willow lettuce Annual herb  
Lactuca sativa Garden lettuce Annual herb  
Lactuca serriola Prickly lettuce Annual herb  
Lamarckia aurea Goldentop Annual grass  
Lamium amplexicaule Henbit Annual herb  
Lamium purpureum Purple dead nettle Annual herb  
Lapsana communis Common nipplewort Annual herb  
Lathyrus cicera Red peavine Annual herb  
Lathyrus hirsutus Caley pea Annual herb  
Lathyrus odoratus Common sweet pea Annual herb 5
Lathyrus sativus White pea Annual herb, Vine 1
Lathyrus tingitanus Tangier pea Annual herb 1
Lavatera cretica Cretan lavatera Annual herb  
Lens culinaris Lentil Annual herb  
Leontodon saxatilis Hawkbit Annual herb  
Leontodon saxatilis ssp. saxatilis Annual herb  
Lepidium chalepense ! Lens-podded hoary cress Annual, Perennial herb  
Lepidium didymum Lesser swine cress Annual herb  
Lepidium pinnatifidum Wayside pepper grass Annual, Perennial herb  
Leucanthemum maximum Shasta daisy Annual, Perennial herb 12
Linaria maroccana Moroccan toad flax Annual herb 9
Linaria pinifolia Pine needle toad flax Annual herb 4
Linum bienne Flax Annual herb  
Linum usitatissimum Common flax Annual herb 2
Logfia gallica Narrowleaf cottonrose Annual herb  
Lolium multiflorum Italian rye grass Annual, Biennial grass 6
Lolium temulentum Darnel Annual grass  
Lunaria annua Annual moonwort Annual, Perennial herb 1
Lycopersicon esculentum Tomato Annual, Perennial herb  
Lysimachia arvensis Scarlet pimpernel Annual herb 5
Lythrum hyssopifolia ! Hyssop loosestrife Annual, Perennial herb  
Lythrum hyssopifolium Hyssop loosestrife Annual, Perennial herb  
Malcolmia africana African mustard Annual herb  
Malva nicaeensis Bull mallow Annual herb  
Malva parviflora Cheeseweed Annual herb  
Malva verticillata Cluster mallow Annual herb  
Medicago arabica Spotted burclover Annual herb  
Medicago lupulina Black medick Annual, Perennial herb  
Medicago minima Small bur clover Annual herb  
Medicago polymorpha ! California burclover Annual herb  
Melilotus alba Sweetclover Annual, Biennial herb 2
Melilotus albus White sweetclover Annual, Biennial herb 2
Melilotus indicus Annual yellow sweetclover Annual herb  
Melilotus officinalis Yellow sweetclover Annual, Biennial herb 2
Mercurialis annua Annual mercury Annual herb  
Mesembryanthemum crystallinum ! Crystalline ice plant Annual herb  
Mesembryanthemum nodiflorum ! Small flowered iceplant Annual herb  
Myosotis discolor Forget me not Annual herb  
Myosotis micrantha Small flowered forget me not Annual herb  
Nicotiana acuminata Manyflower tobacco Annual herb  
Nicotiana acuminata var. multiflora Many flowered tobacco Annual herb  
Nigella damascena Devil in the bush Annual herb 2
Ornithopus pinnatus Pinnate leaved ornithopus Annual, Perennial herb  
Ornithopus sativus Common ornithopus Annual herb  
Ornithopus sativus ssp. sativus Common bird's-foot Annual herb  
Oxalis micrantha Dwarf woodsorrel Annual herb  
Oxalis radicosa Dwarf woodsorrel Annual herb  
Panicum dichotomiflorum Smooth witchgrass Annual grass  
Panicum dichotomiflorum ssp. dichotomiflorum Fall panic grass Annual grass  
Panicum miliaceum Broom corn millet Annual grass  
Panicum miliaceum ssp. miliaceum Broomcorn millet Annual grass  
Papaver somniferum Opium poppy Annual herb 1
Parapholis incurva Sickle grass Annual grass  
Parentucellia viscosa ! Yellow parentucellia Annual herb  
Pelargonium grossularioides Gooseberry pelargonium Annual, Perennial herb  
Persicaria maculosa Spotted ladysthumb Annual herb  
Petrorhagia dubia Windmill pink Annual herb  
Phalaris brachystachys Short spike canarygrass Annual grass  
Phalaris canariensis Canarygrass Annual grass  
Phalaris caroliniana Carolina canarygrass Annual grass  
Phalaris minor Mediterranean canarygrass Annual grass  
Phalaris paradoxa Hood canarygrass Annual grass  
Physalis philadelphica Tomatillo Annual herb  
Picris echioides Bristly ox tongue Annual, Perennial herb  
Plantago arenaria Indian plantain Annual herb 1
Plantago coronopus Cut leaf plantain Annual herb  
Plantago hookeriana California plantain Annual herb 6
Poa annua Annual blue grass Annual grass  
Polycarpon tetraphyllum Four leaved allseed Annual herb  
Polycarpon tetraphyllum var. tetraphyllum Four leaved allseed Annual herb  
Polygonum arenastrum Common knotweed Annual, Perennial herb  
Polygonum aviculare Prostrate knotweed Annual, Perennial herb  
Polygonum aviculare ssp. aviculare Prostrate knotweed Annual, Perennial herb  
Polygonum aviculare ssp. depressum Prostrate knotweed Annual, Perennial herb  
Polygonum convolvulus Black bindweed Annual herb  
Polygonum persicaria Lady's thumb Annual herb  
Polypogon maritimus Mediterranean beard grass Annual grass  
Polypogon monspeliensis ! Annual beard grass Annual grass 2
Portulaca oleracea Common purslane Annual herb 1
Proboscidea louisianica Ram's horn Annual herb  
Proboscidea louisianica ssp. louisianica Common devil's claw Annual herb 1
Pseudognaphalium luteoalbum Jersey cudweed Annual herb  
Ranunculus arvensis Field buttercup Annual herb  
Ranunculus muricatus Buttercup Annual, Perennial herb  
Ranunculus parviflorus Few flowered buttercup Annual herb  
Raphanus raphanistrum Jointed charlock Annual, Perennial herb  
Raphanus sativus ! Jointed charlock Annual, Biennial herb  
Sagina apetala Dwarf pearlwort Annual herb  
Salsola gobicola Barbwire russian thistle Annual, Perennial herb  
Salsola tragus ! Russian thistle Annual herb  
Scabiosa atropurpurea ! Pincushions Annual herb 3
Scandix pecten-veneris Shepherd's needle Annual herb, Vine  
Scleranthus annuus German knotgrass Annual herb  
Secale cereale Rye Annual grass 3
Senecio elegans Purple ragwort Annual herb 1
Senecio glomeratus ! Cutleaf burnweed Annual, Perennial herb  
Senecio minimus Coastal burnweed Annual, Perennial herb  
Senecio sylvaticus Woodland groundsel Annual herb  
Senecio vulgaris Common groundsel Annual herb  
Setaria faberi Foxtail Annual grass  
Setaria pumila Yellow bristlegrass Annual grass  
Setaria viridis Green foxtail Annual grass  
Sherardia arvensis Field madder Annual herb  
Silene coniflora Fire following campion Annual herb  
Silene gallica Common catchfly Annual herb  
Silybum marianum ! Milk thistle Annual, Perennial herb 1
Sinapis arvensis ! Charlock Annual herb  
Sisymbrium altissimum Tumble mustard Annual herb  
Sisymbrium officinale Hedge mustard Annual herb  
Sisymbrium orientale Indian hedge mustard Annual, Perennial herb  
Solanum nigrum Black nightshade Annual herb  
Solanum physalifolium var. nitidibaccatum Nightshade Annual herb  
Solanum rostratum Buffalo berry Annual herb  
Solanum sublobatum Annual herb  
Soleirolia soleirolii Baby's tears Annual herb 2
Soliva sessilis South american soliva Annual herb  
Sonchus asper Spiny sowthistle Annual herb  
Sonchus asper ssp. asper Sow thistle Annual herb  
Sonchus oleraceus Sow thistle Annual herb  
Sorghum bicolor Sorghum Annual grass 2
Spergula arvensis Corn spurry Annual herb  
Spergula arvensis ssp. arvensis Starwort Annual herb  
Spergularia bocconei Boccone's sand spurry Annual herb  
Spergularia bocconi Boccone's sand spurry Annual herb  
Spergularia rubra Purple sand spurry Annual, Perennial herb  
Sporobolus creber Slender dropseed Annual grass  
Stachys arvensis Field hedge nettle Annual herb  
Stellaria media Chickweed Annual herb 1
Strigosella africana African mustard Annual herb  
Taeniatherum caput-medusae Medusa head Annual grass  
Tetragonia tetragonioides ! New zealand spinach Annual herb  
Tetragonia tetragonoides New zealand spinach Annual herb  
Torilis arvensis ! Field hedge parsley Annual herb  
Torilis arvensis ssp. arvensis Field hedge parsley Annual herb  
Torilis arvensis ssp. purpurea Purple field hedge parsley Annual herb  
Torilis nodosa Wild parsley Annual herb  
Tribulus terrestris ! Puncture vine Annual herb  
Trifolium angustifolium Narrow leaved clover Annual herb  
Trifolium arvense Rabbitfoot clover Annual herb  
Trifolium campestre Hop clover Annual herb  
Trifolium cernuum Nodding clover Annual herb  
Trifolium dubium Shamrock Annual herb  
Trifolium gemellum Spanish clover Annual herb  
Trifolium glomeratum Clustered clover Annual herb  
Trifolium hirtum ! Rose clover Annual herb 6
Trifolium incarnatum Crimson clover Annual herb 4
Trifolium resupinatum Reversed clover Annual herb  
Trifolium striatum Knotted clover Annual herb  
Trifolium subterraneum Subterranean clover Annual herb  
Trifolium tomentosum Woolly clover Annual herb  
Trifolium vesiculosum Arrowleaf clover Annual herb  
Triticum aestivum Common wheat Annual grass 5
Tropaeolum majus Garden nasturtium Annual herb, Vine 7
Urtica urens Annual stinging nettle Annual herb  
Verbena bonariensis ! Purple top vervain Annual, Biennial herb 13
Veronica arvensis Speedwell Annual herb  
Veronica hederifolia Ivy leaved speedwell Annual herb  
Veronica persica Bird's eye speedwell Annual herb  
Vicia benghalensis Purple vetch Annual herb, Vine 3
Vicia disperma European vetch Annual herb  
Vicia hirsuta Hairy vetch Annual herb, Vine  
Vicia lutea Yellow vetch Annual herb, Vine  
Vicia sativa Spring vetch Annual herb, Vine  
Vicia sativa ssp. nigra Smaller common vetch Annual herb, Vine  
Vicia sativa ssp. sativa Common vetch Annual herb, Vine  
Vicia tetrasperma Four seeded vetch Annual herb  
Vicia villosa Hairy vetch Annual herb, Vine 3
Vicia villosa ssp. varia Smooth vetch Annual herb, Vine 5
Vicia villosa ssp. villosa Hairy vetch Annual herb, Vine  
Vulpia bromoides Six weeks fescue Annual grass  
Vulpia myuros Rattail fescue Annual grass 3
Vulpia myuros var. hirsuta Fox tail fescue Annual grass 3
Vulpia myuros var. myuros Six weeks fescue Annual grass 2
Xanthium spinosum Spiny cocklebur Annual herb  
  Lifeform: Biennial4 plants
  Lifeform: Perennial290 plants
  Lifeform: Fern2 plants
  Lifeform: Shrub88 plants
  Lifeform: Tree51 plants
  Lifeform: Vine13 plants
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Santa Cruz 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.