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Criteria:   found in Contra Costa County  •   is native  •  group by lifeform
2080  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual801 plants
  Lifeform: Biennial2 plants
  Lifeform: Perennial884 plants
  Lifeform: Fern46 plants
  Lifeform: Shrub285 plants
Adenostoma fasciculatum Chamise Tree, Shrub 15
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
Allenrolfea occidentalis Iodine bush Shrub  
Alnus rubra Red alder Tree, Shrub 29
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Arctostaphylos andersonii Santa cruz manzanita Shrub 3
Arctostaphylos auriculata Mt. Diablo manzanita Shrub 2
Arctostaphylos bakeri Baker's manzanita Shrub 20
Arctostaphylos bakeri ssp. bakeri Baker's manzanita Shrub  
Arctostaphylos crustacea Brittle leaf manzanita Shrub 6
Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos crustacea ssp. insulicola Island manzanita Shrub  
Arctostaphylos crustacea ssp. rosei Rose's manzanita Shrub 2
Arctostaphylos densiflora Vine hill manzanita Shrub 25
Arctostaphylos gabilanensis Gabilan mountains manzanita Shrub  
Arctostaphylos glandulosa Eastwood manzanita Shrub 6
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 3
Arctostaphylos glandulosa ssp. glaucomollis San gabriel mts. manzanita Shrub 1
Arctostaphylos glandulosa ssp. mollis Transverse range manzanita Shrub 1
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 3
Arctostaphylos glauca Big berry manzanita Tree, Shrub 10
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos manzanita ssp. laevigata Contra Costa manzanita Shrub 1
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1
Arctostaphylos obispoensis Bishop manzanita Shrub 10
Arctostaphylos pallida Pallid manzanita Shrub 2
Arctostaphylos regismontana Kings mtn. manzanita Shrub 3
Arctostaphylos stanfordiana Stanford's manzanita Tree, Shrub 4
Arctostaphylos tomentosa Woolly leaf manzanita Shrub 7
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos tomentosa ssp. insulicola Island manzanita Shrub  
Arctostaphylos tomentosa ssp. rosei Rose's manzanita Shrub 2
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. mariposa Mariposa manzanita Tree, Shrub 1
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Aristolochia californica California pipevine Vine, Shrub 24
Artemisia californica Coastal sage brush Shrub 43
Atriplex lentiformis Big saltbush Shrub 34
Baccharis pilularis Coyote brush Shrub 58
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. aquifolium Oregon grape Shrub 36
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis nervosa Oregon grape Shrub 14
Berberis nevinii Nevin's barberry Shrub 15
Berberis pinnata Shiny leaf mahonia Shrub 8
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Calycanthus occidentalis Spicebush Shrub 41
Carpenteria californica Tree anemone Shrub 41
Ceanothus crassifolius Hoary leaved ceanothus Shrub 6
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3
Ceanothus cuneatus var. ramulosus Buck brush Shrub 1
Ceanothus gloriosus Glory mat Shrub 28
Ceanothus gloriosus var. exaltatus Glory brush Shrub 7
Ceanothus griseus Carmel ceanothus Shrub 37
Ceanothus impressus Santa barbara ceanothus Shrub 40
Ceanothus oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus palmeri Palmer's ceanothus Shrub 1
Ceanothus spinosus Greenbark ceanothus Tree, Shrub 11
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 42
Ceanothus thyrsiflorus var. griseus Carmel ceanothus Shrub 17
Ceanothus thyrsiflorus var. repens Creeping blueblossom Tree, Shrub 31
Ceanothus thyrsiflorus var. thyrsiflorus Blue blossom Tree, Shrub 8
Cephalanthus occidentalis Common buttonbush Shrub 14
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus traskiae Catalina island mountain mahogany Shrub 3
Chilopsis linearis Desert willow Shrub 39
Chilopsis linearis ssp. arcuata Desert willow Shrub 2
Chrysolepis chrysophylla Golden chinquapin Tree, Shrub 4
Chrysolepis chrysophylla var. chrysophylla Golden chinquapin Tree, Shrub 1
Chrysolepis chrysophylla var. minor Bush chinquapin Tree, Shrub  
Chrysolepis sempervirens Sierra chinquapin Shrub 2
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. mohavensis Mohave common rabbitbrush Shrub  
Cornus glabrata Brown dogwood Tree, Shrub 10
Cornus sericea American dogwood Shrub 43
Cornus sericea ssp. occidentalis Western dogwood Shrub 9
Cornus sericea ssp. sericea Red osier dogwood Shrub 33
Corylus cornuta Beaked hazelnut Shrub 19
Corylus cornuta ssp. californica Beaked hazelnut Shrub 16
Corylus cornuta var. californica California hazelnut Shrub 9
Crocanthemum aldersonii Alderson's rush-rose Shrub 12
Crocanthemum scoparium Bisbee Peak Rushrose Shrub 13
Crocanthemum scoparium var. scoparium Peak Rushrose Shrub 12
Crocanthemum scoparium var. vulgare Peak Rushrose Shrub 12
Crossosoma californicum Catalina crossosoma Shrub 2
Dendromecon rigida Bush poppy Shrub 14
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Diplacus grandiflorus Sticky monkeyflower Shrub 10
Diplacus puniceus Sticky monkeyflower Shrub 24
Dirca occidentalis Western leatherwood Shrub 2
Ephedra californica Desert tea Shrub 2
Ephedra viridis Green ephedra Shrub 12
Ericameria arborescens Golden fleece Shrub 3
Ericameria linearifolia Interior goldenbush Shrub 6
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa var. mohavensis Mojave rabbitbrush Shrub  
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub  
Eriodictyon californicum Yerba santa Shrub 10
Eriogonum deserticola Colorado desert buckwheat Shrub  
Eriogonum fasciculatum California buckwheat Shrub 43
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 6
Eriogonum nudum Naked buckwheat Shrub 16
Eriogonum nudum var. auriculatum Nude buckwheat Shrub 1
Eriophyllum confertiflorum Yellow yarrow Shrub 23
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Euonymus occidentalis Western burning bush Tree, Shrub 7
Euonymus occidentalis var. occidentalis Western burning bush Tree, Shrub 1
Forestiera pubescens Desert olive Shrub 5
Frangula californica California coffeeberry Shrub 51
Frangula californica ssp. californica California coffeeberry Shrub 44
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 29
Fremontodendron californicum ssp. californicum California fremontia Shrub 26
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Garrya elliptica Coast silk tassel Tree, Shrub 31
Garrya flavescens Ashy silk tassel Shrub 1
Garrya fremontii Fremont's silk tassel Shrub 5
Garrya veatchii Southern silk tassel Shrub 1
Gaultheria shallon Salal Shrub 25
Gutierrezia sarothrae Matchweed Shrub 6
Helianthemum scoparium Broom rose Shrub 13
Helianthemum suffrutescens Bisbee peak rush rose Shrub 12
Heteromeles arbutifolia Toyon Shrub 63
Holodiscus discolor Oceanspray Shrub 42
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus microphyllus Oceanspray Shrub 40
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40
Isocoma arguta Carquinez goldenbush Shrub  
Isocoma menziesii White flowered goldenbush Shrub 15
Isocoma menziesii var. menziesii Menzies' goldenbush Shrub 5
Isomeris arborea Bladderpod Shrub 31
Juniperus californica California juniper Shrub 4
Keckiella cordifolia Heart leaved keckiella Shrub 22
Keckiella corymbosa Red beardtongue Shrub 2
Lavatera assurgentiflora Malva rosa Shrub 20
Lavatera assurgentiflora ssp. assurgentiflora Island mallow Shrub 7
Lepechinia calycina Pitcher sage Shrub 14
Lonicera hispidula Pink honeysuckle Vine, Shrub 33
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 42
Lonicera involucrata var. ledebourii Coast twinberry Shrub 2
Lonicera subspicata Southern honeysuckle Shrub 9
Lonicera subspicata var. denudata Johnston's honeysuckle Shrub 3
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5
Lupinus albifrons var. collinus Silver bush lupine Shrub 8
Lupinus albifrons var. douglasii Douglas' silver bush lupine Shrub 1
Lupinus arboreus Coastal bush lupine Shrub 27
Lupinus chamissonis Beach blue lupine Shrub 16
Lupinus littoralis var. variicolor Shrub 5
Lupinus variicolor Varied lupine Shrub 5
Malacothamnus fasciculatus Chaparral bush mallow Shrub 19
Malacothamnus fremontii Fremont's bush mallow Shrub 8
Malacothamnus hallii Hall's bush mallow Shrub 15
Malva assurgentiflora Island mallow Shrub 18
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus aurantiacus var. grandiflorus Sticky monkeyflower Shrub 2
Mimulus aurantiacus var. puniceus Sticky monkeyflower Shrub 6
Mimulus bifidus Sticky monkeyflower Shrub 10
Mimulus puniceus Red bush monkeyflower Shrub 52
Morella californica California wax myrtle Shrub 54
Myrica californica Wax myrtle Shrub 54
Oemleria cerasiformis Oso berry Shrub 18
Opuntia Xoccidentalis Western prickly pear Shrub (stem succulent) 4
Ornithostaphylos oppositifolia Baja california birdbush Shrub 3
Parthenocissus vitacea Virginia creeper Vine, Shrub 3
Peritoma arborea Bladderpod Shrub 29
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Physocarpus capitatus Ninebark Shrub 40
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Prosopis glandulosa Honey mesquite Tree, Shrub 14
Prosopis glandulosa var. torreyana Honey mesquite Tree, Shrub 5
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus ilicifolia Holly leaf cherry Tree, Shrub 35
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Prunus subcordata Sierra plum Tree, Shrub 4
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Ptelea crenulata Hop tree Tree, Shrub 4
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. glandulosa Antelope brush Shrub 3
Quercus Xchasei Shrub, Tree  
Quercus Xeplingii Shrub, Tree  
Quercus Xganderi Shrub, Tree  
Quercus dumosa Scrub oak Shrub 10
Quercus durata Leather oak Shrub 9
Quercus durata var. durata Leather oak Shrub 2
Quercus palmeri Palmer's oak Shrub  
Quercus wislizeni Interior live oak Tree, Shrub 23
Quercus wislizeni var. frutescens Live oak Tree, Shrub 1
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 3
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus crocea Redberry Shrub 18
Rhamnus ilicifolia Evergreen buckthorn Shrub 17
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhus aromatica Fragrant sumac Shrub 32
Rhus integrifolia Lemonade berry Shrub 37
Rhus ovata Sugar bush Shrub 31
Rhus trilobata Skunkbrush Shrub 32
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7
Ribes amarum Bitter gooseberry Shrub 4
Ribes aureum Golden currant Shrub 50
Ribes aureum var. gracillimum Golden currant Shrub 9
Ribes californicum California gooseberry Shrub 8
Ribes californicum var. californicum California gooseberry Shrub 1
Ribes divaricatum Spreading gooseberry Shrub 9
Ribes divaricatum var. pubiflorum Spreading gooseberry Shrub 2
Ribes malvaceum Chaparral currant Shrub 23
Ribes malvaceum var. malvaceum Chaparral currant Shrub 3
Ribes menziesii Gooseberry Shrub 6
Ribes menziesii var. hystrix Canyon gooseberry Shrub 1
Ribes menziesii var. menziesii Canyon gooseberry Shrub 1
Ribes quercetorum Oak gooseberry Shrub 2
Ribes sanguineum Flowering currant Shrub 53
Ribes sanguineum var. glutinosum Flowering currant Shrub 25
Ribes sanguineum var. sanguineum Red flowering currant Shrub 7
Ribes speciosum Fuchsia flowered gooseberry Shrub 29
Ribes victoris Victor's gooseberry Shrub  
Robinia neomexicana Desert locust Tree, Shrub 5
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa gymnocarpa var. gymnocarpa Wood rose Shrub 2
Rosa spithamea Sonoma rose Shrub 1
Rubus parviflorus Thimbleberry Vine, Shrub 38
Rubus spectabilis Salmon berry Shrub 22
Rubus ursinus California blackberry Vine, Shrub 37
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
Salix scouleriana Scouler willow Tree, Shrub 17
Salix sitchensis Coulter willow Tree, Shrub 14
Salvia apiana White sage Shrub 57
Salvia leucophylla Purple sage Shrub 52
Salvia mellifera Black sage Shrub 45
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Sambucus racemosa Red elderberry Shrub 31
Sambucus racemosa var. microbotrys Red elderberry Shrub 3
Sambucus racemosa var. racemosa Red elderberry Shrub 5
Senecio flaccidus Shrubby ragwort Shrub 6
Senecio flaccidus var. douglasii Bush groundsel Shrub 3
Solanum umbelliferum Blue witch Shrub 10
Styrax redivivus California snowdrop bush Shrub 10
Suaeda californica California seablite Shrub 1
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 42
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium ovatum Evergreen huckleberry Shrub 39
Viburnum ellipticum Common viburnum Shrub 5
Vitis californica California wild grape Vine, Shrub 39
  Lifeform: Tree55 plants
  Lifeform: Vine1 plant
 
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.