| Criteria: found in Contra Costa County • is not native • group by lifeform | ||||
| 782 records | include photos for these plants | # number of sources | ||
| Scientific Name | Common Name | Lifeform | # |
Lifeform: Annual | 360 plants | ||
|
Lifeform: Biennial | 3 plants | ||
Lifeform: Perennial | 269 plants | ||
| Acanthus mollis | Bear's breech | Perennial herb | 10 |
| Acroptilon repens ! | Russian knapweed | Perennial herb | |
| Agave americana | American century plant | Perennial herb, Shrub | 16 |
| Ageratina adenophora ! | Thoroughwort | Perennial herb | |
| Agrostis avenacea ! | Pacific bentgrass | Perennial grass | |
| Agrostis capillaris | Colonial bentgrass | Perennial grass | 2 |
| Agrostis semiverticillata | Beardless rabbitsfoot grass | Perennial grass | |
| Agrostis stolonifera ! | Redtop | Perennial grass | 1 |
| Agrostis viridis | Bentgrass | Perennial grass | |
| Alcea rosea | Holly hock | Perennial herb | 8 |
| Alisma lanceolatum | Water plantain | Perennial herb (aquatic) | |
| Allium neapolitanum | White garlic | Perennial herb (bulb) | |
| Allium paniculatum | Mediterranean onion | Perennial herb (bulb) | |
| Allium paniculatum var. paniculatum | Panicled onion | Perennial herb (bulb) | |
| Allium triquetrum | White flowered onion | Perennial herb (bulb) | |
| Alopecurus pratensis ! | Meadow foxtail | Perennial grass | 6 |
| Alternanthera philoxeroides ! | Alligator weed | Perennial herb | |
| Amaryllis belladonna | Naked lady | Perennial herb | 4 |
| Ammophila arenaria ! | European beachgrass | Perennial grass | 1 |
| Anagallis linifolia | Blue pimpernel | Perennial herb | 2 |
| Anagallis monelli | Flaxleaf pimpernel | Perennial herb | 2 |
| Argyranthemum foeniculaceum | Canary island margeurite | Perennial herb | |
| Armoracia rusticana | Horseradish | Perennial herb | |
| Artemisia vulgaris | Common wormwood | Perennial herb, Shrub | 2 |
| Arum italicum | Italian lords and ladies | Perennial herb | 1 |
| Arundo donax ! | Giant reed | Perennial grass | 3 |
| Asparagus officinalis | Garden asparagus | Perennial herb | 1 |
| Asparagus officinalis ssp. officinalis | Asparagus | Perennial herb | 1 |
| Asphodelus fistulosus ! | Onionweed | Perennial herb | |
| Atriplex semibaccata ! | Australian saltbush | Perennial herb | 4 |
| Barbarea verna | Wintercress | Perennial herb | |
| Bellis perennis | English lawn daisy | Perennial herb | 3 |
| Beta vulgaris | Beet | Perennial herb | 2 |
| Beta vulgaris ssp. maritima | Sea beet | Perennial herb | 2 |
| Cabomba caroliniana | Carolina fanwort | Perennial herb | |
| Calamintha sylvatica | Woodland calamint | Perennial herb | |
| Calamintha sylvatica ssp. ascendens | Woodland calamint | Perennial herb | 1 |
| Caltha palustris | Yellow marsh marigold | Perennial herb | 2 |
| Cardaria chalepensis | Lens podded hoary cress | Perennial herb | |
| Cardaria draba | Heart podded hoary cress | Perennial herb | |
| Cardaria pubescens | White top | Perennial herb | |
| Carex divulsa | Grassland sedge | Perennial grass | 6 |
| Carex divulsa ssp. divulsa | Gray sedge | Perennial grass | |
| Carex pendula ! | Hanging sedge | Perennial grass | 2 |
| Carpobrotus chilensis ! | Sea fig | Perennial herb | |
| Carpobrotus edulis ! | Iceplant | Perennial herb | 1 |
| Carya illinoinensis | Pecan | Perennial herb | |
| Centaurea iberica | Iberian knapweed | Perennial herb | |
| Cerastium fontanum | Common mouse ear chickweed | Perennial herb | |
| Cerastium fontanum ssp. vulgare | Common chickweed | Perennial herb | |
| Chasmanthe bicolor | Chasmanthe | Perennial herb | |
| Chasmanthe floribunda ! | Chasmanthe | Perennial herb | 1 |
| Cichorium intybus | Chicory | Perennial herb | 9 |
| Cirsium arvense ! | Canada thistle | Perennial herb | |
| Cirsium canescens | Prairie thistle | Perennial herb | |
| Cirsium undulatum | Wavy leaved thistle | Perennial herb | |
| Cirsium vulgare ! | Bullthistle | Perennial herb | |
| Clinopodium vulgare | Wild basil | Perennial herb | |
| Conium maculatum ! | Poison hemlock | Perennial herb | |
| Convolvulus arvensis | Field bindweed | Perennial herb, Vine | |
| Cortaderia jubata ! | Andean pampas grass | Perennial grass | |
| Cortaderia selloana ! | Pampas grass | Perennial grass | 11 |
| Cotula coronopifolia ! | Brass buttons | Perennial herb | 2 |
| Crassocephalum crepidioides | Redflower ragleaf | Perennial herb | |
| Crassula multicava | Cape province pygmyweed | Perennial herb, Shrub | 2 |
| Crepis bursifolia | Italian hawksbeard | Perennial herb | |
| Crocosmia Xcrocosmiiflora ! | Monbretia | Perennial herb | |
| Cynara cardunculus ! | Cardoon | Perennial herb | 2 |
| Cynara cardunculus ssp. cardunculus | Artichoke | Perennial herb | 1 |
| Cynara cardunculus ssp. flavescens | Cardoon | Perennial herb | |
| Cynara scolymus | Globe or garden artichoke | Perennial herb | 1 |
| Cynodon dactylon ! | Bermuda grass | Perennial grass | 4 |
| Dactylis glomerata ! | Orchardgrass | Perennial grass | 6 |
| Daucus carota | Carrot | Perennial herb | 2 |
| Delairea odorata ! | Cape ivy | Perennial herb | |
| Digitalis purpurea ! | Foxglove | Perennial herb | 14 |
| Dimorphotheca ecklonis | Blue & white daisybush | Perennial herb | 1 |
| Dipsacus fullonum ! | Wild teasel | Perennial herb | |
| Duchesnea indica | Mock strawberry | Perennial herb | 2 |
| Duchesnea indica var. indica | Mock-strawberry | Perennial herb | |
| Egeria densa ! | Brazilian water weed | Perennial herb | 1 |
| Ehrharta erecta ! | Upright veldt grass | Perennial grass | |
| Eichhornia crassipes ! | Water hyacinth | Perennial herb | 1 |
| Elymus hispidus | Intermediate wheatgrass | Perennial grass | 6 |
| Elymus ponticus | Tall wheat grass | Perennial grass | 4 |
| Elymus repens | Quack grass | Perennial grass | |
| Elytrigia elongata | Tall wheatgrass | Perennial grass | 2 |
| Elytrigia intermedia | Intermediate wheatgrass | Perennial grass | 4 |
| Elytrigia intermedia ssp. intermedia | Intermediate wheatgrass | Perennial grass | 2 |
| Elytrigia pontica | Tall wheatgrass | Perennial grass | 1 |
| Elytrigia pontica ssp. pontica | Rush wheatgrass | Perennial grass | 1 |
| Elytrigia repens | Quack grass | Perennial grass | |
| Epipactis helleborine | Helleborine | Perennial herb | |
| Eragrostis curvula | Weeping lovegrass | Perennial grass | 9 |
| Eragrostis curvula var. curvula | Weeping lovegrass | Perennial grass | 8 |
| Erigeron karvinskianus | Latin american fleabane | Perennial herb | 16 |
| Erysimum cheiri | Common wallflower | Perennial herb | 4 |
| Euphorbia characias | Albanian spurge | Perennial herb | 11 |
| Euphorbia cyparissias | Cypress spurge | Perennial herb | 3 |
| Euphorbia oblongata ! | Eggleaf spurge | Perennial herb | |
| Fallopia japonica ! | Japanese knotweed | Perennial herb | 1 |
| Fallopia sachalinensis ! | Giant knotweed | Perennial herb | |
| Festuca arundinacea ! | Reed fescue | Perennial grass | 7 |
| Festuca pratensis | Meadow fescue | Perennial grass | 2 |
| Foeniculum vulgare ! | Fennel | Perennial herb | 4 |
| Fumaria capreolata | White ramping fumitory | Perennial herb | |
| Gamochaeta pensylvanica | Pennsylvania everlasting | Perennial herb | |
| Gazania linearis ! | Gazania | Perennial herb | |
| Geranium core-core | Alderney crane's-bill | Perennial herb | |
| Glyceria Xoccidentalis | Western manna grass | Perennial grass (aquatic) | 2 |
| Glyceria declinata ! | Waxy mannagrass | Perennial grass | |
| Helianthus tuberosus ! | Jerusalem artichoke | Perennial herb | |
| Heracleum sphondylium | Eltrot | Perennial herb | 8 |
| Hirschfeldia incana ! | Mustard | Perennial herb | |
| Holcus lanatus ! | Common velvetgrass | Perennial grass | |
| Holcus mollis | Creeping velvetgrass | Perennial grass | |
| Hypericum perforatum ! | Klamathweed | Perennial herb | 2 |
| Hypericum perforatum ssp. perforatum | Klamathweed | Perennial herb | |
| Hypochaeris radicata ! | Hairy cats ear | Perennial herb | |
| Impatiens walleriana | Buzzy lizzy | Perennial herb | |
| Iris foetidissima | Stinking iris | Perennial herb | 5 |
| Iris pseudacorus ! | Horticultural iris | Perennial herb | 5 |
| Juncus gerardii | Saltmeadow rush | Perennial grass | |
| Juncus gerardii ssp. gerardii | Mud rush | Perennial grass | |
| Juncus usitatus | Perennial grass | ||
| Kickxia elatine | Sharp point fluellin | Perennial herb | |
| Kickxia spuria | Fluellin | Perennial herb | |
| Kniphofia uvaria ! | Redhot poker | Perennial herb | 15 |
| Lactuca virosa | Poison wild lettuce | Perennial herb | |
| Lathyrus latifolius ! | Sweet pea | Perennial herb | 3 |
| Lathyrus venosus | Veiny pea | Perennial herb | 5 |
| Lepidium appelianum ! | Hairy whitetop | Perennial herb | |
| Lepidium draba ! | Whitetop | Perennial herb | |
| Lepidium draba ssp. chalepense | Lenspod whitetop | Perennial herb | |
| Lepidium draba ssp. draba | Whitetop | Perennial herb | |
| Lepidium latifolium ! | Perennial pepperweed | Perennial herb | |
| Leucanthemum vulgare ! | Oxe eye daisy | Perennial herb | 6 |
| Leucojum aestivum | Summer snowflake | Perennial herb | 1 |
| Limnobium laevigatum | West indian spongeplant | Perennial herb | |
| Limnobium spongia ! | American spongeplant | Perennial herb | |
| Limonium ramosissimum ! | Algerian sealavender | Perennial herb | |
| Limonium ramosissimum ssp. provinciale ! | Algerian sealavender | Perennial herb | |
| Limonium sinuatum | Statice | Perennial herb | 4 |
| Linaria dalmatica | Dalmatian toadflax | Perennial herb | |
| Linaria dalmatica ssp. dalmatica ! | Dalmatian toadflax | Perennial herb | |
| Linaria genistifolia | Broomleaf toadflax | Perennial herb | |
| Linaria genistifolia ssp. dalmatica | Dalmatian toad flax | Perennial herb | |
| Lobularia maritima ! | Sweet alyssum | Perennial herb | 8 |
| Lolium perenne | Perennial rye grass | Perennial grass | 5 |
| Lotus corniculatus | Bird's foot trefoil | Perennial herb | 8 |
| Lotus tenuis | Narrow-leaf bird's-foot trefoil | Perennial herb | |
| Ludwigia hexapetala ! | Six petal water primrose | Perennial herb | |
| Ludwigia peploides ! | Marsh purslane | Perennial herb | 1 |
| Ludwigia peploides ssp. montevidensis | Floating water primrose | Perennial herb | |
| Lychnis coronaria | Rose campion | Perennial herb | 4 |
| Lysimachia monelli | Flaxleaf pimpernel | Perennial herb | 2 |
| Lythrum salicaria ! | Purple loosestrife | Perennial herb | 1 |
| Malva sylvestris | High mallow | Perennial herb | 1 |
| Marrubium vulgare ! | White horehound | Perennial herb | 4 |
| Medicago sativa | Alfalfa | Perennial herb | 3 |
| Melissa officinalis | Lemon balm | Perennial herb | 6 |
| Mentha Xpiperita | Peppermint | Perennial herb | 1 |
| Mentha aquatica | Water mint | Perennial herb | 3 |
| Mentha pulegium ! | Pennyroyal | Perennial herb | 6 |
| Mentha spicata | Spearmint | Perennial herb | 7 |
| Mentha spicata var. spicata | Spearmint | Perennial herb | 7 |
| Mirabilis jalapa | Wishbone bush | Perennial herb | |
| Modiola caroliniana | Carolina bristle mallow | Perennial herb | |
| Myosotis latifolia ! | Wide leaved forget me not | Perennial herb | |
| Myosotis sylvatica | Woodland forget me not | Perennial herb | 4 |
| Myriophyllum aquaticum ! | Parrot's feather | Perennial herb (aquatic) | 1 |
| Myriophyllum spicatum ! | Water milfoil | Perennial herb | |
| Narcissus papyraceus | Paperwhite narcissus | Perennial herb (bulb) | |
| Narcissus pseudonarcissus | Daffodil | Perennial herb (bulb) | |
| Narcissus tazetta | Cream narcissus | Perennial herb (bulb) | |
| Nassella tenuissima ! | Mexican feathergrass | Perennial grass | 13 |
| Nothoscordum gracile ! | Slender false garlic | Perennial herb | |
| Nothoscordum inodorum | Grace, false garlic | Perennial herb | |
| Oenothera biennis | Small flowered evening primrose | Perennial herb | 3 |
| Oenothera curtiflora | Lizard-tail, velvet weed | Perennial herb | |
| Oenothera speciosa | Mexican evening primrose | Perennial herb | 11 |
| Osteospermum ecklonis | African daisy | Perennial herb | 1 |
| Oxalis corniculata | Creeping wood sorrel | Perennial herb | |
| Oxalis incarnata | Crimson woodsorrel | Perennial herb | |
| Oxalis pes-caprae ! | Bermuda buttercup | Perennial herb | |
| Parietaria judaica | Spreading pellitory | Perennial herb | |
| Paspalum dilatatum | Dallis grass | Perennial grass | |
| Pennisetum clandestinum ! | Kikuyu grass | Perennial grass | |
| Pennisetum setaceum ! | Fountaingrass | Perennial grass | 15 |
| Pennisetum villosum ! | Feathertop | Perennial grass | 6 |
| Petasites albus | White butterbur | Perennial herb | |
| Petasites fragrans | Winter heliotrope | Perennial herb | |
| Phalaris aquatica ! | Harding grass | Perennial grass | 1 |
| Phalaris coerulescens | Sunolgrass | Perennial grass | |
| Phytolacca americana ! | Pokeweed | Perennial herb | 2 |
| Piptatherum miliaceum | Smilo grass | Perennial grass | |
| Plantago lanceolata ! | Ribwort | Perennial herb | |
| Plantago major | Common plantain | Perennial herb | 2 |
| Poa bulbosa | Bulbous blue grass | Perennial grass | |
| Poa bulbosa ssp. bulbosa | Bulbous blue grass | Perennial grass | |
| Poa bulbosa ssp. vivipara | Bulbous blue grass | Perennial grass | |
| Poa bulbosa var. bulbosa | Perennial grass | ||
| Poa bulbosa var. vivipara | Perennial grass | ||
| Poa pratensis ! | Kentucky blue grass | Perennial grass | 2 |
| Polygonum cuspidatum | Japanese knotweed | Perennial herb | 1 |
| Polygonum sachalinense | Sacaline | Perennial herb | |
| Polypogon elongatus | Streambank rabbits foot grass | Perennial grass | |
| Polypogon interruptus | Ditch beard grass | Perennial grass | |
| Polypogon viridis | Water beard grass | Perennial grass | |
| Potamogeton crispus ! | Crispate leaved pondweed | Perennial herb (aquatic) | |
| Proserpinaca pectinata | Combleaf mermaidweed | Perennial herb (aquatic) | |
| Prunella vulgaris var. parviflora | Small flowered self heal | Perennial herb | 1 |
| Prunella vulgaris var. vulgaris | Self heal | Perennial herb | 1 |
| Puccinellia distans | European alkali grass | Perennial grass | 4 |
| Reseda alba | White mignonette | Perennial herb | |
| Rhaponticum repens ! | Russian knapweed | Perennial herb | |
| Romulea rosea ! | Rosy sandcrocus | Perennial herb | |
| Romulea rosea var. australis | Rosy sand crocus | Perennial herb | |
| Rumex acetosella ! | Sheep sorrel | Perennial herb | 1 |
| Rumex conglomeratus | Green dock | Perennial herb | |
| Rumex crispus ! | Curly dock | Perennial herb | 4 |
| Rumex obtusifolius | Broadleaf dock | Perennial herb | |
| Rumex pulcher | Fiddleleaf dock | Perennial herb | |
| Rytidosperma penicillatum ! | Purple awned wallaby grass | Perennial grass | |
| Rytidosperma racemosum | Perennial grass | ||
| Salpichroa origanifolia ! | Lily of the valley vine | Perennial herb | |
| Salvia leucantha | Mexican bush sage | Perennial herb | 12 |
| Satureja calamintha | Lesser calamint | Perennial herb | |
| Saxifraga virginiensis | Early saxifrage | Perennial herb | |
| Schoenoplectus acutus var. acutus | Hardstem bulrush | Perennial grass | |
| Senecio mikanioides | German ivy | Perennial herb | |
| Sesuvium portulacastrum | Shoreline seapurslane | Perennial herb | |
| Solanum elaeagnifolium | Horse nettle | Perennial herb | |
| Solanum furcatum | Forked nightshade | Perennial herb, Shrub | |
| Sonchus arvensis | Perennial sow thistle | Perennial herb | |
| Sorghum halepense | Johnsongrass | Perennial grass | |
| Sparaxis tricolor | Harlequin flower | Perennial herb | 2 |
| Spartina alterniflora X Spartina foliosa ! | Hybrid smooth cord grass | Perennial grass | |
| Spartina densiflora ! | Dense flowered cord grass | Perennial grass | |
| Spergularia villosa | Villous sand spurry | Perennial herb | |
| Stachys byzantina | Woolly hedgenettle | Perennial herb | 15 |
| Stenotaphrum secundatum | Saint augustine grass | Perennial grass | |
| Stipa chaetophora | Stipoid ricegrass | Perennial grass | |
| Stipa miliacea | Smilo grass | Perennial grass | |
| Stipa miliacea var. miliacea ! | Smilo grass | Perennial grass | |
| Stipa tenuissima ! | Mexican feathergrass | Perennial grass | 13 |
| Symphytum officinale | Comfrey | Perennial herb | 3 |
| Tanacetum parthenium | Feverfew | Perennial herb | 8 |
| Taraxacum officinale | Red seeded dandelion | Perennial herb | 1 |
| Taraxacum officinale ssp. officinale | Common dandelion | Perennial herb | |
| Thinopyrum intermedium | Intermediate wheatgrass | Perennial grass | 1 |
| Thinopyrum ponticum | Tall wheatgrass | Perennial grass | 1 |
| Tradescantia fluminensis | Small leaf spiderwort | Perennial herb | |
| Tragopogon dubius | Goat's beard | Perennial herb | |
| Tragopogon porrifolius | Salsify | Perennial herb | |
| Trifolium fragiferum | Strawberry clover | Perennial herb | 6 |
| Trifolium hybridum | Alsike clover | Perennial herb | 4 |
| Trifolium pratense | Red clover | Perennial herb | 7 |
| Trifolium repens | White clover | Perennial herb | 9 |
| Trillium sessile | Toadshade | Perennial herb | 7 |
| Typha angustifolia | Narrow leaf cattail | Perennial herb (aquatic) | |
| Verbascum blattaria | Moth mullein | Perennial herb | 1 |
| Verbascum thapsus ! | Woolly mullein | Perennial herb | 3 |
| Veronica anagallis-aquatica | Water speedwell | Perennial herb | |
| Veronica serpyllifolia ssp. serpyllifolia | Thyme leaf speedwell | Perennial herb | |
| Vinca major ! | Vinca | Perennial herb | 4 |
| Vinca minor | Common periwinkle | Perennial herb | 5 |
| Viola odorata | English violet | Perennial herb | 5 |
| Zantedeschia aethiopica ! | Callalily | Perennial herb | 6 |
|
Lifeform: Fern | 2 plants | ||
|
Lifeform: Shrub | 87 plants | ||
|
Lifeform: Tree | 54 plants | ||
|
Lifeform: Vine | 5 plants | ||
|
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive. |
||
| NB: found in Contra Costa 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. | ||