A
Abronia latifolia
Abronia umbellata var. umbellata
Acaena pinnatifida var. californica
Acanthomintha lanceolata
Acanthomintha obovata subsp. obovata
Achillea millefolium
Achyrachaena mollis
Acmispon americanus var. americanus
Acmispon brachycarpus
Acmispon cytisoides
Acmispon glaber var. glaber
Acmispon grandiflorus var. grandiflorus
Acmispon junceus var. bioletti
Acmispon junceus var. junceus
Acmispon maritimus var. maritimus
Acmispon parviflorus
Acmispon strigosus
Acmispon tomentosus var. tomentosus
Acmispon wrangelianus
Actaea rubra
Adelinia grandis
Adenocaulon bicolor
Adenostoma fasciculatum var. fasciculatum
Agave americana
Ageratina adenophora
Agoseris apargioides var. apargioides
Agoseris grandiflora var. grandiflora
Agoseris heterophylla var. cryptopleura
Agoseris retrorsa
Alisma triviale
Allium campanulatum
Allium crispum
Allium hickmanii
Allium triquetrum
Allium unifolium
Allophyllum divaricatum
Allophyllum gilioides subsp. gilioides
Amaryllis belladonna
Ambrosia chamissonis
Ambrosia psilostachya
Amsincka douglasiana
Amsinckia intermedia
Amsinckia menziesii
Amsinckia spectabilis var. spectabilis
Amsinckia tessellata var. gloriosa
Amsinckia vernicosa
Anaphalis margaritacea
Anisocarpus madioides
Anthemis cotula
Anthriscus caucalis
Antirrhinum kelloggii
Antirrhinum ovatum
Antirrhinum thompsonii
Aphanes occidentalis
Aphyllon fasciculatum
Aphyllon purpureum
Aphyllon tuberosum
Apium graveolens
Apocynum androsaemifolium
Aptenia cordifolia
Aquilegia formosa
Arabidopsis thaliana
Aralia californica
Arceuthobium littorum
Arcostaphylos crustacea subsp. crinita
Arctostaphylos crustacea subsp. crustacea
Arctostaphylos glandulosa subsp. glandulosa
Arctostaphylos glauca
Arctostaphylos hookeri subsp. hookeri
Arctostaphylos montereyensis
Arctostaphylos pajaroensis
Arctostaphylos pumila
Arctostaphylos pungens
Arctostaphylos tomentosa subsp. bracteosa
Arctostaphylos tomentosa subsp. tomentosa
Arctotheca prostrata 
Argemone munita
Armeria maritima subsp. californica
Arnica discoidea
Artemisia californica
Artemisia douglasiana
Artemisia dracunculus
Artemisia pycnocephala
Asclepias eriocarpa
Asclepias fascicularis
Astragalus nuttallii var. nuttallii
Astragalus tener var. titi
Atriplex lentiformis
Atriplex leucophylla
Atriplex prostrata
Atriplex semibaccata

B
Baccharis glutinosa
Baccharis pilularis subsp. consanguinea
Baccharis pilularis subsp. pilularis
Baccharis salicifolia subsp. salicifolia
Barbarea orthoceras
Bellardia trixago
Bellis perennis
Benitoa occidentalis
Berberis aquifolium var. dictyota
Berberis pinnata subsp. pinnata
Berula erecta
Blennosperma nanum var. nanum
Blepharizonia laxa
Bloomeria crocea var. aurea
Bloomeria crocea var. crocea
Bolboschoenus maritimus subsp. paludosus
Bowlesia incana
Boykinia occidentalis
Brassica nigra
Brassica rapa
Brickellia californica
Brodiaea coronaria
Brodiaea elegans subsp. elegans
Brodiaea jolonensis
Brodiaea terrestris subsp. terrestris

C
Cakile maritima
Calandrinia breweri
Calandrinia menziesii
Calochortus albus
Calochortus invenustus
Calochortus luteus
Calochortus splendens
Calochortus uniflorus
Calochortus venustus
Calyptridium monandrum
Calystegia collina subsp. collina
Calystegia collina subsp. venusta
Calystegia macrostegia subsp. cyclostegia
Calystegia macrostegia subsp. intermedia
Calystegia malacophylla subsp. pedicillata
Calystegia purpurata subsp. purpurata
Calystegia soldanella
Calystegia subacaulis subsp. subacaulis
Camissonia contorta
Camissonia strigulosa
Camissoniopsis cheiranthifolia subsp. c
Camissoniopsis intermedia
Camissoniopsis micrantha
Capsella bursa-pastoris
Cardamine californica
Cardamine hirsuta
Cardionema ramosissimum
Carduus pycnocephalus subsp. pycnocephalus
Carduus tenuiflorus
Carex barbarae
Carex bolanderi
Carex multicaulis
Carex nudata
Carpobrotus chilensis
Carpobrotus edulis
Castilleja affinis subsp. affinis
Castilleja ambigua subsp. insalutata
Castilleja applegatei subsp. martinii
Castilleja attenuata
Castilleja densiflora subsp. densiflora
Castilleja densiflora subsp. gracilis
Castilleja exserta subsp. exserta
Castilleja foliolosa
Castilleja latifolia
Castilleja subinclusa subsp. subinclusa
Caulanthus lasiophyllus
Ceanothus cuneatus var. cuneatus
Ceanothus dentatus
Ceanothus foliosus var. medius
Ceanothus incanus
Ceanothus integerrimus var. macrothyrsus
Ceanothus leucodermis
Ceanothus papillosus
Ceanothus rigidus
Ceanothus thyrsiflorus var. thyrisflorus
Centaurea benedicta
Centaurea calcitrapa
Centaurea cyanus
Centaurea melitensis
Centaurea solstitialis
Centaurium tenuiflorum
Centromadia fitchii
Centromadia parryi subsp. congdonii
Cerastium arvense  subsp. strictum
Cerastium glomeratum
Chaenactis glabriuscula var. heterocarpha
Chaenactis glabriuscula var. lanosa
Chasmanthe floribunda
Chenopodium album
Chenopodium californicum
Chenopodium macrospermum
Chenopodium murale
Chenopodium pratericola
Chlorogalum pomeridianum var p
Chorizanthe diffusa
Chorizanthe douglasii
Chorizanthe membranacea
Chorizanthe minutiflora
Chorizanthe pungens var. pungens
Chorizanthe staticoides
Cicendia quadrangularis
Cichorium intybus
Cicuta douglasii
Cirsium brevistylum
Cirsium occidentale var. californicum
Cirsium occidentale var. candidissimum
Cirsium occidentale var. occidentale
Cirsium occidentale var. venustum
Cirsium quercetorum
Cirsium vulgare
Cistus incanus
Cistus salviifolius
Clarkia affinis
Clarkia epilobioides
Clarkia jolonensis
Clarkia lewisii
Clarkia modesta
Clarkia purpurea  subsp. quadrivulnera
Clarkia rhomboidea
Clarkia rubicunda
Clarkia similis
Clarkia speciosa subsp. speciosa
Clarkia unguiculata
Claytonia parviflora subsp. parviflora
Claytonia perfoliata subsp. perfoliata
Claytonia rubra  subsp. depressa
Claytonia rubra  subsp. rubra
Clematis lasiantha
Clematis ligusticifolia
Clinopodium douglasii
Clintonia andrewsiana
Collinsia childii
Collinsia heterophylla var. heterophylla
Collinsia sparsiflora var. collina

Collomia grandiflora
Collomia heterophylla
Conicosia pugioniformis
Conium maculatum
Convolvulus arvensis
Corallorhiza maculata var. maculata
Corallorhiza striata
Cordylanthus rigidus subsp. rigidus
Corethrogyne filaginifolia
Cornus sericea subsp. occidentalis
Cotoneaster lacteus
Cotoneaster pannosus
Cotula coronopifolia
Crassula connata
Crassula multicava subsp. multicava
Crassula tillaea
Crocanthemum scoparium var. scoparium
Croton californicus
Croton setiger
Cryptantha clevelandii var. florosa
Cryptantha micromeres
Cryptantha microstachys
Cryptantha muricata var. muricata
Cryptantha torreyana var. pumila
Cucurbita foetidissima
Cuscuta californica var. californica
Cuscuta pacifica var. pacifica
Cyclospermum leptophyllum
Cynoglossum grande see Adelinia grandis
Cyperus eragrostris
Cyperus esculentus var. leptostachyus

D
Datisca glomerata
Datura stramonium
Datura wrightii
Daucus carota
Daucus pusillus
Deinandra corymbosa
Deinandra lobbii
Delairea odorata
Delphinium californicum subsp. californicum
Delphinium cardinale
Delphinium hesperium subsp. pallescens
Delphinium hutchinsoniae
Delphinium nudicaule
Delphinium parryi subsp. parryi
Delphinium patens subsp. patens
Delphinium variegatum subsp. variegatum
Dendromecon rigida
Dichelostemma – see Dipterostemon
Digitalis purpurea
Diplacus aurantiacus
Diplacus douglasii
Diplacus linearis
Diplacus rattanii
Dipsacus sativus
Dipterostemon capitatus subsp. capitatus
Downingia cuspidata
Draba verna
Drosanthemum floribundum
Drymocallis glandulosa var. wrangelliana
Dudleya caespitosa
Dudleya cymosa subsp. pumila
Dudleya farinosa
Dudleya lanceolata

E
Echium candicans
Echium pininana
Ehrendorferia chrysantha
Eleocharis macrostachya
Emmenanthe penduliflora 
Emmenanthe rosea
Epilobium brachycarpum
Epilobium canum subsp. canum
Epilobium ciliatum subsp. ciliatum
Epilobium ciliatum subsp. watsonii
Epilobium densiflorum
Epilobium minutum
Epipactis gigantea
Epipactis helleborine
Equisetum arvense
Equisetum hyemale subsp. affine
Equisetum laevigatum
Equisetum telmateia subsp. braunii
Eremothera boothii subsp. decorticans
Eriastrum calocyanum
Eriastrum densifolium subsp. elongatum
Eriastrum virgatum
Ericameria arborescens
Ericameria ericoides
Ericameria fasciculata
Ericameria linearifolia
Ericameria nauseosa var. mohavensis
Erigeron bonariensis
Erigeron canadensis
Erigeron foliosus var. foliosus
Erigeron glaucus
Erigeron karvinskianus
Erigeron sumatrensis
Eriodictyon californicum
Eriodictyon tomentosum
Eriogonum davidsonii
Eriogonum elegans
Eriogonum elongatum var. elongatum
Eriogonum fasciculatum var. foliolosum
Eriogonum giganteum var. giganteum
Eriogonum gracile var. gracile
Eriogonum latifolium
Eriogonum nortonii
Eriogonum nudum var. auriculatum
Eriogonum parvifolium
Eriophyllum confertiflorum var. c
Eriophyllum staechadifolium

Erodium botrys
Erodium brachycarpum
Erodium cicutarium
Erodium moschatum
Eryngium armatum
Erysimum capitatum var. capitatum
Erysimum menziesii
Erythranthe cardinalis
Erythranthe floribunda
Erythranthe guttata
Erythranthe nasuta
Eschscholzia caespitosa
Eschscholzia californica
Eschscholzia hypecoides
Eucrypta chrysanthemifolia var. c
Eulobus californicus
Euphorbia crenulata
Euphorbia oblongata
Euphorbia peplus
Euphorbia serpens
Eurybia radulina
Euthamia occidentalis
Extriplex californica

F
Foeniculum vulgare
Fragaria chiloensis
Fragaria vesca
Frangula californica subsp. californica
Frankenia salina
Fremontodendron californicum
Fritillaria affinis
Fritillaria agrestis
Fritillaria biflora var. biflora
Fumaria officinalis

G
Galium andrewsii subsp. andrewsii
Galium angustifolium subsp. angustifolium
Galium aparine
Galium californicum subsp. californicum
Galium californicum subsp. flaccidum
Galium parisiense
Galium porrigens var. porrigens
Gamochaeta ustulata
Gaultheria shallon
Genista monspessulana
Geranium core-core
Geranium dissectum
Geranium molle
Geranium robertianum
Geranium rotundifolium
Gilia achilleifolia subsp. achilleifolia
Gilia achilleifolia subsp. multicaulis
Gilia angelensis
Gilia clivorum
Gilia tenuiflora subsp. arenaria
Gilia tenuiflora subsp. tenuiflora
Gilia tricolor subsp. tricolor
Gnaphalium palustre
Grindelia stricta var. platyphylla

H
Hazardia squarrosa var. squarrosa
Hedera helix
Hedypnois cretica
Helenium puberulum
Heliotropium curassavicum var. oculatum
Helminthotheca echioides
Hemizonia congesta subsp. luzulifolia
Heracleum maximum
Herniaria hirsuta subsp. cinerea
Hesperolinon disjunctum
Hesperomecon linearis
Hesperoyucca whipplei
Heteromeles arbutifolia
Heterotheca grandiflora
Heterotheca sessiflora subsp. echioides
Heuchera micrantha
Heuchera pilosissima
Hieracium albiflorum
Hirschfeldia incana
Hoita macrostachya
Hoita orbicularis
Holodiscus discolor var. discolor
Horkelia californica var. frondosa
Horkelia cuneata subsp. cuneata
Hosackia crassifolia var. crassifolia
Hosackia gracilis
Hosackia stipularis var. stipularis
Hulsea heterochroma
Hydrocotyle ranunculoides
Hypericum anagalloides
Hypericum perforatum subsp. perforatum
Hypochaeris glabra
Hypochaeris radicata

I
Iris douglasiana
Iris pseudacorus
Isocoma acradenia var. bracteosa
Isocoma menziesii var. vernonioides

J
Jaumea carnosa
Juncus effusus subsp. pacificus
Juncus occidentalis
Juncus patens
Juncus phaeocephalus var. phaeocephalus
Juncus xiphioides

K
Keckiella breviflora var. breviflora
Kickxia elatine
Kniphofia uvaria

L
Lactuca saligna
Lactuca serriola
Lagophylla diabolensis
Lagophylla ramosissima
Lamium amplexicaule
Lamium purpureum
Lasthenia californica subsp. macrantha
Lasthenia conjugens
Lasthenia glaberrima
Lasthenia gracilis
Lasthenia maritima
Lasthenia minor
Lathyrus angulatus
Lathyrus hirsutus
Lathyrus littoralis
Lathyrus tingitanus
Lathyrus vestitus var. vestitus
Layia carnosa
Layia chysanthemoides
Layia gaillardioides
Layia glandulosa
Layia heterotricha
Layia hieracioides
Layia platyglossa
Lemna minor
Lemna minuta
Lepechinia calycina
Lepidium campestre
Lepidium didymum
Lepidium draba
Lepidium nitidum
Lepidium strictum
Leptosiphon androsaceus
Leptosiphon bicolor
Leptosiphon ciliatus
Leptosiphon grandiflorus
Leptosiphon liniflorus
Leptosiphon parviflorus
Leptosiphon pygmaeus subsp. continentalis
Lessingia pectinata var. pectinata
Lessingia pectinata var. tenuipes
Leucanthemum vulgare 
Lewisia rediviva var. rediviva
Lilium pardalinum subsp. pardalinum
Limnanthes douglasii subsp. douglasii
Limnanthes douglasii subsp. nivea
Limonium sinuatum
Linanthus dichotomus subsp. dichotomus
Linaria bipartita
Linaria maroccana
Linum bienne
Linum grandiflorum
Linum usitatissimum
Lithophragma affine
Lithophragma heterophyllum
Lobelia dunnii var. serrata
Lobularia maritima
Logfia filaginoides
Logfia gallica
Lomatium californicum
Lomatium dasycarpum subsp. dasycarpum
Lomatium parvifolium
Lomatium utriculatum
Lonicera hispidula
Lonicera interrupta
Lonicera involucrata var. ledebourii
Lotus corniculatus
Lupinus albifrons var. abramsii
Lupinus albifrons var. albifrons
Lupinus albifrons var. collinus
Lupinus albifrons var. douglasii
Lupinus arboreus
Lupinus benthamii
Lupinus bicolor
Lupinus chamissonis
Lupinus concinnus
Lupinus formosus var. formosus
Lupinus hirsutissimus
Lupinus latifolius var. latifolius
Lupinus littoralis var. variicolor
Lupinus microcarpus var. densiflorus
Lupinus microcarpus var. microcarpus
Lupinus nanus
Lupinus pachylobus
Lupinus stiversii
Lupinus succulentus
Lupinus tidestromii
Lupinus truncatus
Luzula subsessilis
Lycopersicon esculentum
Lysimachia arvensis
Lysimachia latifolia
Lythrum hyssopifolia

M
Madia elegans
Madia exigua
Madia gracilis
Madia sativa
Maianthemum racemosum
Maianthemum stellatum
Malacothamnus jonesii
Malacothamnus palmeri var. involucratus
Malacothamnus palmeri var. lucianus
Malacothrix clevelandii
Malacothrix floccifera
Malacothrix saxatilis var. arachnoidea
Malva nicaeensis
Malva parviflora
Malva pseudolavatera
Malvella leprosa
Marah fabacea
Marrubium vulgare
Matricaria discoidea
Matthiola incana
Meconella oregana
Medicago arabica
Medicago lupulina
Medicago polymorpha
Medicago sativa

Melilotus albus
Melilotus indicus
Mentha canadensis
Mentha pulegium
Mentzelia gracilenta
Mentzelia micrantha
Mesembryanthemum crystallinum
Micranthes californica
Micropus californicus var. californicus
Microseris paludosa
Microsteris gracilis
Minuartia – see new name Sabulina
Mirabilis laevis var. crassifolia
Monardella villosa subsp. villosa
Monolopia lanceolata
Monolopia major
Muilla maritima
Myoporum laetum
Myosotis discolor
Myosotis latifolia

N
Nasturtium officinale
Navarretia atractyloides
Navarretia hamata subsp. parviloba
Navarretia mellita
Navarretia mitracarpa
Navarretia squarrosa
Nemophila menziesii var. menziesii
Nemophila parviflora var. parviflora
Nemophila pedunculata
Nicotiana acuminata var. multiflora
Nicotiana glauca
Nicotiana quadrivalvis
Nuttallanthus texanus
Nymphoides peltata

O
Oemleria cerasiformis
Oenanthe sarmentosa
Oenothera elata subsp. hookeri
Opuntia ficus-indica
Orobanche – see Aphyllon
Osmorhiza berteroi
Osmorhiza brachypoda
Oxalis corniculata
Oxalis micrantha
Oxalis oregana
Oxalis pes-caprae
Oxalis pilosa

P
Packera breweri
Paeonia californica
Papaver californicum
Papaver heterophyllum
Papaver rhoeas
Parietaria judaica
Pectocarya penicillata
Pedicularis densiflora
Pedicularis dudleyi
Penstemon centranthifolius
Penstemon grinnellii var. scrophularioides
Penstemon heterophyllus var. heterophyllus
Penstemon x.dubius
Perideridia gairdneri subsp. gairdneri
Perideridia kelloggii
Perideridia oregana
Peritoma arborea var. globosa
Persicaria amphibia
Persicaria lapathifolia
Persicaria punctata
Petasites frigidus var. palmatus
Petrorhagia dubia
Phacelia brachyloba
Phacelia cicutaria var. hispida
Phacelia ciliata
Phacelia distans
Phacelia divaricata
Phacelia douglasii
Phacelia grisea
Phacelia imbricata subsp. imbricata
Phacelia malvifolia var. malvifolia
Phacelia nemoralis var. nemoralis
Phacelia ramosissima
Phacelia tanacetifolia
Phacelia viscida var. viscida
Pholistoma auritum var. auritum
Pholistoma membranaceum
Phoradendron leucarpum subsp. tomentosum
Phyllospadix scouleri
Pickeringia montana var. montana
Piperia elegans subsp. elegans
Piperia elongata
Piperia michaelii
Piperia transversa
Piperia yadonii
Plagiobothrys acanthocarpus
Plagiobothrys chorisianus var. hickmanii
Plagiobothrys nothofulvus
Plagiobothrys stipitatus var. micranthus
Plantago coronopus
Plantago erecta
Plantago lanceolata
Plantago major
Plantago maritima
Plantago subnuda
Platystemon californicus
Plectritis congesta subsp. brachystemon
Plectritis congesta subsp. congesta
Plectritis macrocera
Pogogyne serpylloides
Polycarpon tetraphyllum var. tetraphyllum
Polygala -now called Rhinotropis
Polygonum aviculare subsp. depressum
Polygonum paronychia
Portulaca oleracea
Potamogeton crispus
Potamogeton nodosus
Potentilla anserina subsp. pacifica
Potentilla hickmanii

Poterium sanguisorba
Primula clevelandii
Prosartes hookeri
Prunella vulgaris var. lanceolata
Prunella vulgaris var. vulgaris
Prunus ilicifolia subsp. ilicifolia
Prunus virginiana var. demissa
Pseudognaphalium beneolens
Pseudognaphalium biolettii
Pseudognaphalium californicum
Pseudognaphalium luteoalbum
Pseudognaphalium microcephalum
Pseudognaphalium ramosissimum
Pseudognaphalium stramineum
Psilocarphus tenellus
Pterostegia drymarioides
Pyracantha fortuneana

R
Rafinesquia californica
Ranunculus aquatilis var. diffusus
Ranunculus californicus var. californicus
Ranunculus hebecarpus
Ranunculus lobbii
Ranunculus muricatus
Raphanus sativus
Rhamnus crocea
Rhamnus ilicifolia
Rhinotropis californica
Rhus ovata
Ribes amarum
Ribes aureum var. gracillimum
Ribes californicum var. californicum
Ribes divaricatum var. pubiflorum
Ribes malvaceum var. malvaceum
Ribes menziesii var. menziesii
Ribes roezlii var. roezlii
Ribes sanguineum var. glutinosum
Ribes speciosum
Rigiopappus leptocladus
Romulea rosea var. australis
Romneya coulteri
Rorippa curvisiliqua
Rosa californica
Rosa gymnocarpa var. gymnocarpa
Rosa pinetorum
Rosa rubiginosa
Rubus armeniacus
Rubus parviflorus
Rubus ursinus
Rumex acetosella
Rumex conglomeratus
Rumex crassus
Rumex crispus
Rumex pulcher
Rumex salicifolius
Rumex transitorius
Rupertia physodes
Ruta chalapensis

S
Sabulina californica
Sabulina douglasii
Salicornia pacifica
Salsola tragus
Saltugilia splendens subsp. splendens
Salvia carduacea
Salvia columbariae
Salvia mellifera
Salvia sonomensis
Salvia spathacea
Sambucus nigra subsp. caerulea
Sanicula arctopoides
Sanicula bipinnata
Sanicula bipinnatifida
Sanicula crassicaulis
Sanicula laciniata
Scandix pecten-veneris
Schoenoplectus californicus
Schoenoplectus pungens var. longispicatus
Scirpus microcarpus
Scrophularia californica
Scutellaria tuberosa
Sedum spathulifolium
Senecio californicus
Senecio elegans
Senecio glomeratus
Senecio minimus
Senecio sylvaticus
Senecio vulgaris
Sherardia arvensis
Sidalcea malviflora subsp. malviflora
Silene gallica
Silene laciniata subsp. californica
Silene lemmonii
Silene multinervia
Silybum marianum
Sisymbrium altissimum
Sisymbrium officinale
Sisymbrium orientale
Sisyrinchium bellum
Sisyrinchium californicum
Solanum americanum
Solanum douglasii
Solanum rostratum
Solanum umbelliferum
Solanum xanti
Solidago spathulata
Solidago velutina subsp. californica
Sonchus asper subsp. asper
Sonchus oleraceus
Spartium junceum
Spergula arvensis
Spergularia bocconi
Spergularia macrotheca var. macrotheca
Spergularia rubra
Spiranthes romanzoffiana

Stachys ajugoides
Stachys bullata
Stachys pycnantha
Stebbinsoseris heterocarpa
Stellaria media
Stephanomeria elata
Stephanomeria virgata subsp. pleurocarpa
Stephanomeria virgata subsp. virgata
Streptanthus glandulosus subsp. glandulosus
Streptanthus insignis subsp. insignis
Stylocline gnaphaloides
Symphoricarpos albus var. laevigatus
Symphoricarpos mollis
Symphyotrichum chilense

T
Tamarix parviflora
Tanacetum parthenium
Taraxacum officinale
Taraxia ovata
Tauschia hartwegii
Teesdalia nudicaulis
Tetragonia tetragonioides
Tetrapteron graciliflorum
Thalictrum fendleri var. polycarpum
Thermopsis californica var. californica
Thysanocarpus curvipes subsp. curvipes
Thysanocarpus curvipes subsp. elegans
Thysanocarpus laciniatus
Torilis arvensis
Torilis nodosa
Toxicodendron diversilobum
Toxicoscordion fremontii
Toxicoscordion venenosum
Tragopogon porrifolius
Tribulus terrestris
Trichostema lanatum
Trichostema lanceolatum
Trifolium albopurpureum
Trifolium angustifolium
Trifolium arvense
Trifolium barbigerum
Trifolium campestre
Trifolium ciliolatum
Trifolium depauperatum var. amplectens
Trifolium depauperatum var. truncatum
Trifolium dubium
Trifolium fragiferum
Trifolium fucatum
Trifolium glomeratum
Trifolium gracilentum
Trifolium grayi
Trifolium hirtum
Trifolium incarnatum
Trifolium macraei
Trifolium microcephalum
Trifolium obtusiflorum
Trifolium polyodon
Trifolium repens
Trifolium subterraneum
Trifolium variegatum var. major
Trifolium willdenovii
Trifolium wormskioldii
Trillium chloropetalum
Trillium ovatum subsp. ovatum
Triodanis biflora
Triphysaria eriantha subsp. eriantha
Triphysaria pusilla
Triteleia hyacinthina
Triteleia ixioides subsp. ixioides
Triteleia laxa
Triteleia lugens
Tropidocarpum gracile
Turritis glabra
Typha angustifolia
Typha latifolia

U
Ulex europaeus
Uropappus lindleyi
Urtica dioica subsp. holosericea
Urtica urens

V
Vaccinium ovatum
Vancouveria planipetala
Verbascum thapsus
Verbena bonariensis
Verbena lasiostachys var. lasiostachys
Veronica americana
Veronica anagallis-aquatica
Veronica arvensis
Veronica catenata
Veronica persica
Viburnum tinus
Vicia americana subsp. americana
Vicia benghalensis
Vicia gigantea
Vicia hirsuta
Vicia ludoviciana subsp. ludoviciana
Vicia sativa subsp. nigra
Vicia sativa subsp. sativa
Vicia villosa subsp. varia
Vinca major
Viola ocellata
Viola pedunculata
Viola purpurea subsp. purpurea
Viola purpurea subsp. quercetorum
Viola sempervirens

W-Z
Wyethia angustifolia
Wyethia glabra
Wyethia helenoides
Xanthium strumarium
Yabea microcarpa
Zantedeschia aethiopica
Zeltnera davyi

B
Baby Blue-eyes
Babystars, False
Babystars, True
Baccharis, Marsh / Douglas’ 
Bachelor’s Button
Baneberry
Barberry, California
Barberry, Jepson’s
Beard, Old Man’s
Beardstyle, Thyme-leaved
Bedstraw, California
Bedstraw, Climbing
Bedstraw, Narrowly-leaved
Bedstraw, Phlox-leaved
Bedstraw, Wall
Bee Plant
Benitoa
Bindweed, Field
Bindweed, Pacific False
Bird’s Beak
Bird’s Foot Trefoil
Bitter-cress, Hairy
Bitterroot
Blackberry, California
Blackberry, Himalayan
Bladderpod
Blennosperma, Common
Blow-wives
Blue Blossom
Blue-curls, Woolly
Blue Dicks
Blue-eyed Mary, Child’s
Blue-eyed Mary, Few-flowered
Blue Witch
Boisduvalia, Dense-flowered
Bowlesia
Brass Buttons
Brickellbush, California
Brodiaea, Dwarf
Brodiaea, Garland
Brodiaea, Golden
Brodiaea, Harvest / Elegant
Brodiaea, Mesa / Jolon
Brodiaea, White
Brook Foam
Brooklime, American
Broom, French
Broom, Spanish
Broomrape, Chaparral
Broomrape, Clustered
Broomrape, Naked
Buckbrush
Buckwheat, Coast
Buckwheat, Davidson’s Wild
Buckwheat, Dune
Buckwheat, Ear-shaped Wild
Buckwheat, Elegant Wild
Buckwheat, Leafy California Wild
Buckwheat, Long-stemmed Wild
Buckwheat, Pinnacles
Buckwheat, Seacliff Wild
Buckwheat, Seaside Wild
Buckwheat, Slender Woolly Wild
Buffalo-bur
Bugler, Scarlet
Bulrush, Alkali
Bulrush, California
Bulrush, Common Three Square
Bulrush, Panicled
Bur, Beach
Bur-chervil
Bur-clover
Bur-clover, Spotted
Burnet, Garden / Small 
Burnweed, Coast
Burnweed, Cut-leaved
Bur-sage, Beach
Bush, Cream
Bush, Sugar
Bush Mallow, Arroyo Seco
Bush Mallow, Carmel Valley
Bush Mallow, Jones’
Butter-and-eggs
Buttercup, Bermuda
Buttercup, Common / California
Buttercup, Downy
Buttercup, Lobb’s Aquatic
Buttercup, Prickle-fruited
Button-celery, Coastal

C
Calabazilla
Calla-lily
Caltrop
Campion, Lemmon’s
Candle, Our Lord’s
Capeweed, Prostrate
Carrot, Wild
Catchfly (Windmill Pink)
Catchfly, Lemmon’s
Catchfly, Many-nerved
Cat’s Ear, Hairy
Cat’s Ear, Smooth
Cattail, Broad-leaved
Cattail, Narrow-leaved
Ceanothus, Dwarf
Ceanothus, La Cuesta
Ceanothus, Monterey
Ceanothus, Wartleaf
Cedar, Salt
Celery
Centaury, Davy’s
Centaury, Slender
Century Plant
Chamise
Checker Bloom
Cheeseweed
Cherry, Holly-leaved
Chia

Chicalote
Chickweed, Common
Chickweed, Field Mouse-ear
Chickweed, Sticky Mouse-ear
Chicory
Chicory, California
Chinese Caps
Chinese Houses
Chokecherry, Western
Christmas Berry
Cinquefoil, Hickman’s
Cinquefoil, Sticky
Clarkia, Canyon
Clarkia, Chaparral
Clarkia, Diamond
Clarkia, Elegant
Clarkia, Four-spot
Clarkia, Jolon
Clarkia, Lewis’
Clarkia, Ramona
Clarkia, Redspot
Clarkia, Ruby Chalice
Clarkia, Waltham Creek
Clarkia, Willow-herb
Clarkia, Winecup
Clematis, Chaparral
Clintonia, Red
Clover, Bearded
Clover, Bull
Clover, Clammy
Clover, Clustered
Clover, Cow
Clover, Creek
Clover, Crimson
Clover, Dwarf Sack
Clover, Elk
Clover, Foothill
Clover, Gray’s
Clover, Hop
Clover, Indian
Clover, Little Hop
Clover, Macrae’s Double-headed
Clover, Maiden
Clover, Narrow-leaved
Clover, Pacific Grove
Clover, Pale Sack
Clover, Pinpoint
Clover, Rabbitfoot
Clover, Rancheria
Clover, Rose
Clover, Shamrock
Clover, Small-headed
Clover, Sour
Clover, Strawberry
Clover, Subterranean
Clover, Tomcat
Clover, Tree
Clover, White
Clover, White-tipped
Cocklebur
Coffeeberry, California
Collomia, Large-flowered
Collomia, Variable-leaved
Coltsfoot
Columbine, Crimson
Conicosia
Coralroot, Spotted
Coralroot, Striped
Cornflag, African
Cornmint, American
Cotoneaster, Late
Cotoneaster, Silverleaf
Cotton-batting Plant
Cottonrose
Cottonweed, Slender
Coyote Brush
Coyote Brush, Dwarf
Coyote Mint
Crane’s-bill, Alderney
Crassula, Fairy
Cream Bush
Cream Cups
Cress, American Winter
Cress, Heart-podded Hoary
Cress, Lesser Swine
Cress, Mouse-ear / Thale
Cress, Shepherd’s
Cress, Western Yellow
Crete Weed
Crocus, Rosy Sand
Crofton Weed
Croton, California
Crowfoot, Whitewater
Cryptantha, Coastal
Cryptantha, Dwarf
Cryptantha, Minute-flowered
Cryptantha, Showy Prickly-nut
Cryptantha, Tejon
Cucumber, Wild
Cudweed, Bioletti’s
Cudweed, California
Cudweed, Lowland
Cudweed, Purple
Cudweed, Weedy
Currant, Chaparral
Currant, Golden
Currant, Pink Flowering
Cyperus, Tall

E
Eardrops, Golden
Elderberry, Blue
Eriastrum, Coast Range – see Pretty Blue Woollystar
Eriastrum, Virgate
Eryngo, Coast
Eucrypta, Common
Eupatorium, Sticky
Evening Snow
Evening-primrose, Beach
Evening-primrose, Hooker’s
Everlasting, California
Everlasting, Fragrant
Everlasting, Pearly
Everlasting, Pink
Everlasting, White

F
Fairy Bells
Fairy Lantern
Fairy Mist
Fat Hen
Fennel, Dog
Fennel, Sweet
Feverfew
Fiddleneck, Carrizo
Fiddleneck, Common
Fiddleneck, Douglas’
Fiddleneck, Seaside
Fiddleneck, Small-flowered
Fiddleneck, Waxy
Fiesta Flower
Fiesta Flower, White
Fig, Hottentot
Fig, Sea
Figwort, Coast
Filago, California
Filago, Narrow-leaved
Filaree, Foothill
Filaree, Long-beaked
Filaree, Red-stemmed
Filaree, White-stemmed
Firethorn, Chinese
Fireweed – See Burnweed
Flannel Bush
Flax, Common
Flax, Narrow-leaved
Flax, Red Flowering
Flax, Western
Fleabane, Leafy
Fleece, Golden
Fluellin, Sharp-leaved
Footsteps of Spring
Forget-me-not, Broad-leaved
Forget-me-not, Changing
Four O’Clock, California
Foxglove
Fremontia
Fringepod, Hairy
Fringepod, Narrow-leaved
Fuchsia, California
Fumitory

G
Gambleweed
Geranium, Cut-leaved
Geranium, Dove’s Foot
Geranium, Robert
Geranium, Round-leaved 
Gilia, Bird’s-eye
Gilia, California
Gilia, Chaparral
Gilia, Dense False
Gilia, Many-stemmed
Gilia, Monterey
Gilia, Purple-spot
Gilia, Slender-flowered
Gilia, Straggling
Giraffe Head
Goldenaster, Bristly
Golden Eggs
Golden Fleece
Goldenbush, Alkali
Goldenbush, Coastal
Goldenbush, Desert
Goldenbush, Eastwood’s
Goldenbush, Interior
Goldenbush, Sawtooth
Goldenrod, California
Goldenrod, Dune
Goldenrod, Grass-leaved Western
Goldenstar, Common
Goldfields, Coastal
Goldfields, Common
Goldfields, Contra Costa
Goldfields, Maritime
Goldfields, Perennial
Goldfields, Smooth
Goldfields, Woolly
Gooseberry, Bitter
Gooseberry, Canyon
Gooseberry, Fuschia-flowered
Gooseberry, Hillside
Gooseberry, Sierra
Gooseberry, Straggly
Goosefoot, California
Goosefoot, Coast
Goosefoot, Narrow-leaved
Goosefoot, Nettle-leaved / Wall
Goose-grass
Gorse
Grass, Blue-eyed
Grass, Golden-eyed
Grass Poly
Grass, Yellow-eyed
Groundsel,  Common
Gumplant, Pacific

H
.
Indian Warrior see Warrior’s Plume
Inside-out Flower
Iris, Douglas
Iris, Yellow Flag

K
Klamath Weed
Knotweed, Common
Knotweed, Dune / Beach

L
Lace, Queen Anne’s
Lace, St. Catherine’s
Ladies, Naked
Ladies’ Tresses, Hooded
Lady’s Mantle
Lamb’s Quarters
Larkspur, Coast / California
Larkspur, Hutchinson’s
Larkspur, Pale Western
Larkspur, Parry’s
Larkspur, Red
Larkspur, Royal
Larkspur, Scarlet
Larkspur, Zigzag / Spreading
Laurustinus
Layia, Beach
Layia, Pale-yellow
Layia, Smooth
Layia, Tall
Layia, White
Layia, Woodland
Leather Root
Lessingia, Common
Lessingia, Valley
Lettuce, Bluff
Lettuce, Miner’s
Lettuce, Prickly
Lettuce, Sea
Lettuce, Willow
Lewisia
Lily, Calla-
Lily, Checker
Lily, Chocolate
Lily, Leopard
Lily, Mariposa – see Mariposa Lily
Lily, White Globe
Linanthus, Bicolored
Linanthus, Flax-flowered
Linanthus, Large-flowered
Linanthus, Pygmy
Linanthus, Variable / Common
Linseed, Mediterranean
Liveforever, Powdery
Lizard Tail
Lobelia, Rothrock’s / Dunn’s
Locoweed, Gray
Lomatium, California
Lomatium, Common
Lomatium, Small-leaved
Lomatium, Woolly-fruited
Looking Glass, Venus’
Loosestrife, Hyssop
Lotus, Bentham’s
Lotus, Bioletti’s Rush
Lotus, Bishop’s
Lotus, Broad-leaved
Lotus, Chile
Lotus, Coast
Lotus, Harlequin
Lotus, Large-flowered
Lotus, Rush
Lotus, Short-podded
Lotus, Small-flowered
Lotus, Spanish
Lotus, Stipulate
Lotus, Woolly
Lousewort, Dudley’s
Lupine, Abrams’ Bush
Lupine, Arroyo
Lupine, Bajada
Lupine, Bentham’s Annual
Lupine, Big Pod
Lupine, Broad-leaved
Lupine, Chick
Lupine, Collin’s Bush
Lupine, Douglas’ Bush
Lupine, False
Lupine, Harlequin
Lupine, Lindley’s Annual
Lupine, Lindley’s Varied
Lupine, Miniature
Lupine, Nuttall’s  Annual
Lupine, Silver Beach
Lupine, Silver Bush
Lupine, Sky
Lupine, Spider
Lupine, Stinging
Lupine, Summer
Lupine, Tidestrom’s
Lupine, Tree
Lupine, Valley
Lupine, Yellow Bush

M
Madder, Field
Madia, Common
Madia, Woodland
Magic Carpet
Malacothrix, Carmel Valley
Malacothrix, Cleveland’s
Malacothrix, Woolly
Mallow, Alkali
Mallow, Bull
Mallow, Checker
Mallow, Cretan
Man-root, California
Manzanita, Big-berried
Manzanita, Brittle-leaf
Manzanita, Crinite
Manzanita, Eastwood’s
Manzanita, Hooker’s
Manzanita, Mexican
Manzanita, Monterey
Manzanita, Pajaro
Manzanita, Sandmat
Manzanita, Shaggy Barked
Manzanita, Toro
Mariposa Lily, Butterfly
Mariposa Lily, Plain
Mariposa Lily, Splendid
Mariposa Lily, Yellow
Mayweed
Meadowfoam, Common
Meadowfoam, Douglas / White
Meadow-rue, Many-fruited
Meconella, Narrow-leaved
Meconella, Oregon
Medic, Black
Melilot, Indian
Microcala, American
Microseris, Derived
Microseris, Marsh
Milkmaids
Milkvetch, Coastal Dunes
Mikvetch, Nuttall’s
Milkweed, Indian
Milkweed, Narrow-leaved
Milkwort, California
Miner’s Lettuce
Miner’s Lettuce, Narrow-leaved
Mint, Coyote
Mission Bells
Mistletoe, Pine / Dwarf
Mistletoe, Pacific / Oak
Mock Heather
Monkeyflower, Floriferous
Monkeyflower, Rattan’s
Monkeyflower, Santa Lucia Sticky
Monkeyflower, Scarlet
Monkeyflower, Seep
Monkeyflower, Snouted
Monkeyflower, Sticky
Monolopia, Common
Monolopia, Cupped
Morning-glory, Beach
Morning-glory, Coast
Morning-glory, Hill / Stemless
Morning-glory, Hillside
Morning-glory, Purple-striped
Morning-glory, South Coast
Morning-glory, South Coast Range
Morning-glory, Woolly
Mouse-ears, Chinless
Mugwort
Muilla, Common
Mule Ears, Gray
Mule Ears, Narrow-leaved
Mule Ears, Smooth
Mule Fat
Mullein, Woolly / Common
Mustard, Black
Mustard, California
Mustard, Field
Mustard, Hedge
Mustard, Oriental
Mustard, Summer
Mustard, Tower
Mustard, Tumble

N
Navarretia, Holly-leaf
Navarretia, Honey-scented
Navarretia, Hooked
Navarretia, Mitrefruit / Paso Robles
Navarretia, Small-lobed
Nemophila, Meadow
Nemophila, Small-flowered
Neststraw, Everlasting
Nettle, Dwarf
Nettle, Hoary
Ngaio Tree
Nightshade, Chaparral
Nightshade, Douglas’
Nightshade, Small-flowered
Nut-grass, Yellow

O
Ocean Spray
Oenanthe, Pacific
Onion, Crinkled
Onion, Hickman’s
Onion, One-leaved
Onion, Sierra
Onion, Three-cornered
Orchid, Stream
Oso Berry
Owl’s Clover, Denseflower
Owl’s Clover, Dwarf
Owl’s-clover, Graceful
Owl’s Clover, Narrow-leaved
Owl’s Clover, Purple / Pink
Ox-tongue, Bristly

P
Paintbrush, Coast Indian
Paintbrush, Longleaf
Paintbrush, Martin’s
Paintbrush, Monterey Coast
Paintbrush, Woolly Indian
Painted Cup, Seaside
Parsley, Marsh
Parsnip, Coast
Parsnip, Cow
Parsnip, Cut-leaved Water
Parsnip, Lace
Pea, Angled
Pea, Caley
Pea, Chaparral
Pea, Common Pacific
Pea, Silky Beach
Pea, Tangier
Pectocarya, Northern / Winged
Pellitory, Spreading
Pennyroyal
Pennywort, Floating Marsh
Penstemon, Chaparral
Penstemon, Grinnell’s
Penstemon, Hybrid
Penstemon, Yawning
Peony, California
Peppergrass, English
Peppergrass, Shining
Peppergrass, Wayside
Pepperweeed, Upright
Periwinkle, Greater
Phacelia, Branching
Phacelia, Caterpillar
Phacelia, Common
Phacelia, Divaricate
Phacelia, Douglas’
Phacelia, Great Valley
Phacelia, Imbricate
Phacelia, Santa Lucia
Phacelia, Shade
Phacelia, Shortlobe
Phacelia, Sticky
Phacelia, Stinging
Phacelia, Tansy-leaved
Phlox, Slender
Pickleweed
Pimpernel, Scarlet
Pincushion, Inner Coast Range
Pineapple Weed
Pink, Hairy
Pink, Indian
Pink, Sea 
Pink, Windmill
Piperia, Coast
Piperia, Flat-spurred
Piperia, Yadon’s
Plantain, California
Plantain, Common
Plantain, Cut-leaved
Plantain, English
Plantain, Mexican
Plantain, Pacific Seaside
Plectritis, Pink
Plectritis, White
Pogogyne, Thyme-leaved
Poison Oak
Poker, Red-hot
Polycarp, Four-leaved
Pondweed, Crisp-leaved
Pondweed, Long-leaved
Popcornflower, Adobe
Popcornflower, Hickman’s
Popcornflower, Rusty
Popcornflower, Stalked
Poppy, Bush
Poppy, California
Poppy, Corn
Poppy, Coulter’s Matilija
Poppy, Fire
Poppy, Prickly
Poppy, San Benito
Poppy, Tufted
Poppy, Wind

Pretty Face
Prickly-pear, Mission
Pride of Madeira
Primrose, Contorted
Primrose, Mustard-like
Primrose, Shredding
Primrose, Slender-flowered
Puncture-vine
Purslane
Pusley, Chinese 
Pussypaws, Common
Pygmy-weed, [Sand]
Pygmy-weed, Moss

Q
Q-tips
Queen Anne’s Lace

R
Rabbitbrush, Mojave
Radish, Wild
Ragweed, Western / Common
Ragwort, California
Ragwort, Red-Purple
Ragwort, Wood
Rattlesnake Weed
Red Maids
Red Maids, Brewer’s
Redberry, Hollyleaf
Redberry, Spiny
Rein-Orchid, Elegant
Rein Orchid, Michael’s
Rein Orchid, Transverse
Rein-Orchid, Wood / Elongate
Rein Orchid, Yadon’s
Rigiopappus
Rocket, European Sea
Rock-rose
Rock-rose, Sageleaf
Rooreh
Rose, California Wild
Rose, Pine
Rose, Wood
Rue
Rupturewort
Rush, Brown-headed
Rush, Common
Rush, Iris-leaved
Rush, Spreading
Rush, Western
Rush, Sessile Wood
Rush-rose, Peak

S
Sage, Black
Sage, California Hummingbird
Sage, Creeping
Sage, Crimson
Sage, Pitcher
Sage, Thistle
Sagebrush, Coast / California
Sagewort, Coastal / Beach
Saint Catherine’s Lace
Salal
Salsify, Purple
Saltbush, Australian
Saltbush, Big
Saltbush, Beach
Saltbush, California
Salt Cedar
Sand-aster, California
Sand Buttons
Sandmat
Sandmat, Matted
Sand-spurrey, Boccone’s
Sand-spurrey, Red / Purple
Sand-spurrey, Sticky
Sandwort, California
Sandwort, Douglas’
Sanicle, Coast
Sanicle, Pacific
Sanicle, Poison
Sanicle, Purple
Saxifrage, California
Scarlet Bugler
Scarlet Pimpernel
Scorzonella, Marsh
Scouring-rush, Braun’s
Scouring-rush, Western
Sea Scale
Sea Rocket, European
Seablush
Seablush, Shortspur
Sedge, Bolander’s
Sedge, Many-stemmed
Sedge, Santa Barbara
Sedge, Torrent
Self-heal
Self-heal, Lanceleaf
Senecio, Brewer’s
Shepherd’s Cress
Shepherd’s Needle
Shepherd’s Purse
Shooting Star, Padre’s

Silverpuffs, Lindley’s
Silver-weed, Pacific
Skullcap, Dannie’s
Skunkweed
Smallage
Smartweed, Dotted
Smartweed, Water
Snapdragon, Kellogg’s
Snapdragon, Oval-leaved
Snapdragon, Sticky
Sneezeweed
Snowberry, Common
Snowberry, Creeping
Soap Plant, Wavyleaf
Solomon, Fat
Solomon, Slim
Solomon’s Seal, Nuttall’s False
Solomon’s Seal, Western False
Sorrel, Redwood
Sorrel, Sheep
Sourgrass
Sow-thistle, Common
Sow-thistle, Prickly
Spear, Ithuriel’s
Speedwell, Broad-fruited Water
Speedwell, Chain
Speedwell, Corn
Speedwell, Great Water
Speedwell, Persian
Spikerush, Pale
Spikeweed, Fitch’s
Spinach, New Zealand
Spineflower, Diffuse
Spineflower, Douglas’
Spineflower, Fort Ord
Spineflower, Monterey
Spineflower, Pink
Spray, Ocean
Springbeauty, Redstem
Spurge, Eggleaf
Spurge, Petty
Spurry
St. Catherine’s Lace
St. John’s Wort, Creeping
Star Flower
Star Lily, Fremont’s
Star Thistle, Maltese
Star Thistle, Purple
Star Thistle, Yellow
Star, Hill
Star, Woodland
Starwort
Statice
Stephanomeria, Tall – see Wire-lettuce
Stickleaf, San Luis
Stickleaf, Santa Lucia
Stickwort
Stink Bells
Stock
Stonecrop, Broad-leaved / Pacific
Strawberry, Beach
Strawberry, Wood
Sugar Bush
Sun-rose, Baby
Suncup, Contorted
Suncup, Hill
Suncup, Intermediate
Suncup, Miniature
Suncup, Sandysoil
Suncups
Sunflower, Seaside Woolly
Surf-grass, Scouler’s
Sweet-brier
Sweet Cicely, California
Sweet Cicely, Wood / Mountain
Sweet-clover, White

T
Tamarisk, Small-flowered
Tarplant, Congdon’s
Tarragon
Tarweed, Big
Tarweed, Coast
Tarweed, Coastal
Tarweed, Hayfield
Tarweed, Slender
Tarweed, Small
Tarweed, Three-rayed
Tarweed, Woodland
Tassels. Valley 
Tauschia, Hartweg’s
Tea, California
Teasel, Fuller’s
Telegraph Weed
Thimbleberry
Thistle, Blessed
Thistle, Brownie
Thistle, Bull
Thistle, California / Bigelow
Thistle, Cobwebby
Thistle, Indian
Thistle, Italian
Thistle, Milk
Thistle, Russian
Thistle, Slender-flowered
Thistle, Snowy
Thistle, Star  see Star Thistle
Thistle, Venus

Thornmint, San Benito
Thornmint, Santa Clara
Threadstem, Woodland
Thrift, California
Tidy Tips
Tidy Tips, Smooth
Timwort
Toadflax, Blue
Toadflax, Moroccan
Toadflax, Split-lip
Tobacco, Indian
Tobacco, Many-flowered
Tobacco, Tree
Tocalote
Tolguacha
Tomato
Toothwort, California
Tower of Jewels
Toyon
Trail Plant
Trefoil, Bird’s-foot
Trillium, Giant / Common
Trillium, Western
Triteleia, Common
Triteleia, Dark-mouthed
Tule, California
Tulip, Large-flowered Star
Tumbleweed
Turkey-mullein
Turkish Rugging
Twinberry, Black

U
Uropappus

V
Venus’ Looking glass
Verbena, Pink Sand
Verbena, Yellow Sand
Vervain, Purpletop
Vervain, Western
Vetch, American
Vetch, Giant
Vetch, Hairy
Vetch, Narrow-leaved
Vetch, Purple
Vetch, Slender
Vetch, Smaller Common
Vetch, Spring
Vetch, Winter
Vinegar Weed
Violet, Evergreen
Violet, Goosefoot Yellow
Violet, Goosefoot / Mountain
Violet, Redwood
Violet, Two-eyed
Virgin’s Bower, Western

X-Z

COMMON NAMES

Acacia, Bailey
Acacia, Blackwood
Acacia, Everblooming
Acacia, Silver Wattle
Acacia, Star
Acacia, Knife
Alder, White
Ash, California Flowering
Bay, California
Box Elder
Buckeye, California
Cherry, Holly-leaved
Chinquapin
Chokecherry, Western
Christmas Berry
Cottonwood, Black
Cypress, Gowen
Cypress, Monterey
Douglas-fir
Fir, Santa Lucia
Gum, Blue
Gum, Silver Dollar
Holly, English
Ironbark, Red
Laurel, California Bay
Madrone
Maple, Big-leaved
Oak, Blue
Oak, California Black
Oak, California Tan / Tanbark
Oak, Canyon Live
Oak, Coast Live
Oak, Maul
Oak, Shreve
Oak, Tanbark
Oak, Valley
Oso Berry
Pepper Tree
Pine, Bishop
Pine, Coulter
Pine, Gray / Digger / Foothill
Pine, Italian Stone
Pine, Monterey
Pine, Ponderosa
Pine, Torrey
Red Iron Bark
Redwood, Coast
Roble
Silk Tassel, Coast
Sycamore, California
Toyon
Tree of Heaven
Walnut, English
Walnut, Northern California
Wattle, Everblooming
Wattle, Knife-leaf
Wattle, Silver
Wattle, Sydney Golden
Wax Myrtle, California
Willow, Arroyo
Willow, Pacific
Willow, Red
Willow, Sandbar / Hinds’
Willow, Sitka

SCIENTIFIC NAMES

Abies bracteata
Acacia baileyana
Acacia cultriformis
Acacia dealbata
Acacia longifolia
Acacia melanoxylon
Acacia retinodes
Acacia verticillata
Acer macrophyllum
Acer negundo
Aesculus californica
Ailanthus altissima
Alnus rhombifolia
Arbutus menziesii
Chrysolepis chrysophylla var. minor
Eucalyptus globulus
Eucalyptus polyanthemos
Eucalyptus sideroxylon
Fraxinus dipetala
Garrya elliptica
Hesperocyparis goveniana
Hesperocyparis macrocarpa
Heteromeles arbutifolia
Ilex aquifolium
Juglans hindsii
Juglans regia
Morella californica
Notholithocarpus densiflorus var. d
Oemleria cerasiformes
Pinus coulteri
Pinus muricata
Pinus pinea
Pinus ponderosa
Pinus radiata
Pinus sabiniana
Pinus torreyana subsp. torreyana
Platanus racemosa
Populus trichocarpa
Prunus ilicifolia subsp. ilicifolia
Prunus virginiana var. demissa
Pseudotsuga menziesii
Quercus agrifolia var. agrifolia
Quercus chrysolepis
Quercus douglasii
Quercus kelloggii
Quercus lobata
Quercus parvula var. shrevei
Salix exigua var. hindsiana
Salix laevigata
Salix lasiandra var. lasiandra
Salix lasiolepis
Salix sitchensis
Schinus molle
Sequoia sempervirens
Umbellularia californica