Laguna Lake Park and Open Space Illustrated Plant List

Achyrachaena mollis Blow-Wives

native

Annual herb

Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus

native

Annual herb

Acmispon brachycarpus hill lotus

native

Annual herb

Acmispon junceus var. junceus Rush lotus

native

Perennial herb

Acmispon maritimus var. maritimus Coastal lotus

native

Annual herb

Acmispon strigosus Strigose lotus

native

Annual herb

Agrostis exarata Spike bentgrass, Spike redtop

native

Perennial grass

Alisma triviale Northern water plantain

native

Perennial herb (aquatic)

ALISMATACEAE

Allium lacunosum var. lacunosum Pitted onion

native

Perennial herb (bulb)

ALLIACEAE

Amaranthus albus Pigweed amaranth, Tumbleweed

non-native

Annual herb

Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed

native

Annual herb

Amaranthus deflexus Amaranth, Large fruited amaranth, Largefruit amaranth

non-native

Annual herb

Amaranthus hybridus Slender pigweed, Slim amaranth

non-native

Annual herb

Amaranthus powellii Powell's amaranth

native

Annual herb

Ambrosia acanthicarpa Annual bursage, Annual burweed

native

Annual herb

Ambrosia psilostachya Ragweed, Western ragweed

native

Perennial herb

Amsinckia intermedia Common fiddleneck

native

Annual herb

BORAGINACEAE

Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile

invasive non-native

Annual herb

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native

Annual herb

Aristida adscensionis Six weeks three awn, Sixweeks threeawn

native

Annual grass

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native

Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native

Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native

Perennial herb

APOCYNACEAE

Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch

native

Perennial herb

Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed

native

Annual herb

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native

Annual herb

Atriplex prostrata Fat-hen

non-native

Annual herb

Atriplex semibaccata Australian saltbush

invasive non-native
moderate

Perennial herb

Avena barbata Slender oat, Slim oat

invasive non-native
moderate

Annual grass

Avena fatua Wild oat, Wildoat

invasive non-native
moderate

Annual grass

Azolla filiculoides American water fern, mosquito fern, Mosquito fern, Pacific mosquitofern

native

Fern

AZOLLACEAE

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native

Shrub

Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat

native

Shrub

Bellardia trixago Mediterranean lineseed

invasive non-native
limited

Annual herb

Bidens pilosa Hairy beggarticks

non-native

Annual herb

Bloomeria crocea var. aurea Common goldenstar

native

Perennial herb

THEMIDACEAE

Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush

native

Perennial grasslike herb

Brachypodium hybridum Small Tree-Mallow

Brassica nigra Black mustard

invasive non-native
moderate

Annual herb

Brassica rapa Common mustard, Field mustard, Rape mustard

invasive non-native
limited

Annual herb

Bromus berteroanus Chilean chess

non-native

Annual grass

Bromus carinatus var. carinatus California brome, Mountain brome

native

Perennial grass

Bromus catharticus var. catharticus Rescue grass

non-native

Annual, Perennial grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

invasive non-native
moderate

Annual grass

Bromus hordeaceus Soft brome, Soft chess

invasive non-native
limited

Annual grass

Bromus rubens Red brome

invasive non-native

Annual grass

Calandrinia menziesii [Calandrinia ciliata] Small Tree-Mallow

Calibrachoa parviflora Wild petunia

native

Annual herb

Calochortus argillosus Clay mariposa lily

native

Perennial herb (bulb)

Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily

rare native
4.3

Perennial herb (bulb)

Calochortus obispoensis San luis mariposa lily

rare native
1B.2

Perennial herb (bulb)

Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed

native

Perennial herb, Vine

Calystegia subacaulis ssp. episcopalis Cambria morning glory, San luis obispo county morning glory

rare native
4.2

Perennial herb (rhizomatous)

Cardamine californica California toothwort, milkmaids

native

Perennial herb

Carduus pycnocephalus Italian thistle

invasive non-native
moderate

Annual herb

Carex praegracilis Clustered field sedge, Field sedge

native

Perennial grasslike herb

Carex serratodens Bifid sedge, Two tooth sedge

native

Perennial grasslike herb

Carpobrotus edulis Hottentot fig, Iceplant, Sea fig

invasive non-native
high

Perennial herb

AIZOACEAE

Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover

native

Annual herb

Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush

native

Annual herb

Cenchrus clandestinus Kikuyu grass, Kikuyugrass

invasive non-native
limited

Perennial grass

Cenchrus longisetus Feathertop

invasive non-native
watch (high risk)

Perennial grass

Centaurea calcitrapa Purple starthistle, Purple star thistle, Red star thistle

invasive non-native
moderate

Annual, Perennial herb

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

invasive non-native
moderate

Annual herb

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

invasive non-native
high

Annual herb

Centromadia parryi ssp. congdonii Congdon's tarplant

rare native
1B.1

Annual herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native

Annual herb

Chenopodiastrum murale [Chenopodium murale] Small Tree-Mallow

Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot

non-native

Annual herb

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native

Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum

Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower

rare native
1B.3

Annual herb

Chorizanthe palmeri Palmer's spineflower

rare native
4.2

Annual herb

Cichorium intybus Chicory

non-native

Perennial herb

Cirsium fontinale var. obispoense Chorro creek bog thistle

rare native
1B.2

Perennial herb

Cirsium vulgare Bull thistle

invasive non-native
moderate

Perennial herb

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native

Annual herb

MONTIACEAE

Collinsia heterophylla Purple chinese houses

native

Annual herb

Conium maculatum Poison hemlock

invasive non-native
moderate

Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

invasive non-native

Perennial herb, Vine

Corethrogyne filaginifolia Common sandaster

native

Perennial herb

Cornus sericea ssp. occidentalis Western dogwood

native

Shrub

CORNACEAE

Cortaderia jubata Pampas grass, Purple pampas grass, Pampasgrass

invasive non-native
high

Perennial grass

Cotula coronopifolia Brass buttons, Common brassbuttons

invasive non-native
limited

Perennial herb

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native

Annual herb

CRASSULACEAE

Croton setiger Turkey-mullein

native

Annual herb

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native

Annual grass

Cryptantha clevelandii var. florosa Coastal cryptantha

native

Annual herb

BORAGINACEAE

Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder

native

Annual herb, Vine (parasitic)

Cuscuta campestris Field dodder

native

Annual herb, Vine (parasitic)

Cynodon dactylon Bermuda grass, Bermudagrass

invasive non-native
moderate

Perennial grass

Cyperus eragrostis Tall cyperus, Tall flatsedge

native

Perennial grasslike herb

Cyperus involucratus Umbrella plant, Unbrella plant

non-native

Perennial grasslike herb

Danthonia californica California oatgrass

native

Perennial grass

Datura stramonium Jimson weed, Jimsonweed

non-native

Annual herb

Deinandra fasciculata Clustered tarweed

native

Annual herb

Deinandra increscens ssp. increscens Grassland tarweed

native

Annual herb

Delphinium parryi ssp. eastwoodiae Eastwood's larkspur

rare native
1B.2

Perennial herb

RANUNCULACEAE

Deschampsia danthonioides Annual hairgrass

native

Annual grass

Dichondra micrantha Asian ponysfoot

non-native

Perennial herb

Digitaria sanguinalis Hairy crabgrass

non-native

Annual grass

Dipsacus sativus Fuller's teasel, Indian teasel

invasive non-native
moderate

Annual, Biennial herb

DIPSACACEAE

Dipterostemon capitatus ssp. capitatus. [Dichelostemma capitatum ssp. capitatum] Blue dicks

native

Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. capitatus. [Dichelostemma capitatum ssp. capitatum]

Distichlis spicata Inland saltgrass, Salt grass, Saltgrass

native

Perennial grass

Dittrichia graveolens Stinkwort

invasive non-native
moderate

Annual herb

Dudleya abramsii ssp. murina San Luis Obispo dudleya

rare native
1B.1

Perennial herb

CRASSULACEAE

Dysphania ambrosioides Mexican tea

non-native

Annual, Perennial herb

Echinochloa colona Jungle rice

non-native

Annual grass

Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass

non-native

Annual grass

Eichhornia crassipes Common water hyacinth

invasive non-native
high

Perennial herb

PONTEDERIACEAE

Elatine californica California waterwort

native

Annual, Perennial herb

ELATINACEAE

Eleocharis bella Beautiful spikerush

native

Perennial grasslike herb

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native

Perennial grasslike herb

Eleocharis parishii Parish's spike rush, Parish's spikerush

native

Perennial grasslike herb

Elymus condensatus Giant wild rye

native

Perennial grass

Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass

native

Perennial grass

Elymus multisetus Big squirreltail grass

native

Perennial grass

Elymus triticoides Beardless wild rye

native

Perennial grass

Elymus xhansenii [E. glaucus x E. multisetus] Small Tree-Mallow

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native

Annual herb

Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet

native

Perennial herb

Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb

native

Perennial herb

Epilobium densiflorum Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose

native

Annual herb

Equisetum hyemale ssp. affine Giant scouring rush

native

Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native

Fern

EQUISETACEAE

Eragrostis cilianensis Stinkgrass

non-native

Annual grass

Eragrostis pectinacea var. pectinacea Tufted lovegrass

native

Annual grass

Erigeron bonariensis Flax-leaved horseweed

non-native

Annual herb

Erigeron canadensis Canada horseweed

native

Annual herb

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native

Shrub

Eriophyllum confertiflorum var. confertiflorum

Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree

non-native

Annual herb

Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill

invasive non-native

Annual herb

Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill

invasive non-native
limited

Annual herb

Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree

invasive non-native

Annual herb

Eryngium aristulatum var. hooveri Hoover's button celery, Hoover's eryngo

rare native
1B.1

Annual, Perennial herb

Eryngium armatum Coastal eryngo, Coyote thistle, Prickly coyote thistle

native

Perennial herb

Erythranthe arenicola

native

Annual herb

PHRYMACEAE

Erythranthe grandis

native

Perennial

PHRYMACEAE

Erythranthe microphylla Small leaved monkeyflower

rare native

Annual herb

PHRYMACEAE

Eschscholzia californica California poppy

native

Annual, Perennial herb

PAPAVERACEAE

Eucalyptus globulus Blue gum, Tasmanian bluegum

invasive non-native
limited

Tree

MYRTACEAE

Euphorbia maculata Spotted spurge

non-native

Annual herb

Euphorbia peplus Petty spurge

non-native

Annual herb

Euphorbia serpens Matted sandmat

non-native

Annual herb

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native

Annual herb

Festuca arundinacea Alta fescue, Reed fescue, Tall fescue

invasive non-native
moderate

Perennial grass

Festuca bromoides Brome fescue

non-native

Annual grass

Festuca microstachys Small fescue

native

Annual grass

Festuca myuros Rattail sixweeks grass

invasive non-native
moderate

Annual grass

Festuca perennis Italian rye grass

invasive non-native
moderate

Annual, Perennial grass

Foeniculum vulgare Biscuit root, Sweet fennel

invasive non-native
moderate

Perennial herb

Frangula californica ssp. californica California coffeeberry

native

Shrub

RHAMNACEAE

Fritillaria biflora var. biflora Chocolate lily

native

Perennial herb (bulb)

Galium aparine Cleavers, Common bedstraw, Goose grass

native

Annual herb

RUBIACEAE

Genista monspessulana French broom

invasive non-native
high

Shrub

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

invasive non-native
limited

Annual herb

Gilia achilleifolia ssp. achilleifolia California gilia

native

Annual herb

POLEMONIACEAE

Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native

Shrub

Hedypnois rhagadioloides Crete weed

non-native

Annual herb

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native

Perennial herb

Heliotropium curassavicum var. oculatum Alkali heliotrope, Seaside heliotrope

native

Perennial herb

HELIOTROPIACEAE

Helminthotheca echioides Bristly ox-tongue

invasive non-native
limited

Annual, Perennial herb

Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed

native

Annual herb

Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax

native

Annual herb

Heterotheca grandiflora Telegraph weed, Telegraphweed

native

Annual, Perennial herb

Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard

invasive non-native
moderate

Perennial herb

Hordeum brachyantherum ssp. brachyantherum Meadow barley

native

Perennial grass

Hordeum brachyantherum ssp. brachyantherum

Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley

non-native

Annual grass

Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley

non-native

Annual grass

Hydrocotyle verticillata Whorled marsh pennywort, Whorled marshpennywort

native

Perennial herb

ARALIACEAE

Hypochaeris glabra Smooth cat's ear

invasive non-native
limited

Annual herb

Juncus bufonius var. bufonius Toad rush

native

Annual grasslike herb

Juncus lescurii Dune rush

native

Perennial grasslike herb

Juncus occidentalis Rush, Slender juncus, Western rush

native

Perennial grasslike herb

Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush

native

Perennial grasslike herb

Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort

non-native

Perennial herb

Koeleria macrantha June grass, Prairie junegrass

native

Perennial grass

Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce

non-native

Annual herb

Lactuca serriola Prickly lettuce, Prickly wild lettuce

invasive non-native

Annual herb

Laennecia coulteri Coulter's horseweed

native

Annual herb

Lagophylla ramosissima Branched lagophylla, Common hareleaf

native

Annual herb

Lamarckia aurea Goldentop grass

non-native

Annual grass

Lasthenia glaberrima Smooth goldfields

native

Annual herb

Lasthenia gracilis Needle goldfields

native

Annual herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

non-native
watch (high risk)

Perennial herb

Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea

non-native

Annual herb

Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea

native

Perennial herb

Layia jonesii Jones' tidytips, Jones's layia

rare native
1B.2

Annual herb

Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed

native

Annual herb

Lepidium pinnatifidum Featherleaf pepperweed, Wayside pepper grass

non-native

Annual, Perennial herb

Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed

native

Annual herb

Leptochloa fusca ssp. fascicularis Bearded sprangletop

native

Annual grass

Leptosiphon parviflorus Variable linanthus

native

Annual herb

POLEMONIACEAE

Lobularia maritima Sweet alyssum

invasive non-native
limited

Perennial herb

Logfia gallica Narrowleaf cottonrose

non-native

Annual herb

Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium

native

Perennial herb

Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium

rare native
4.2

Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native

Perennial herb

Lonicera japonica Japanese honeysuckle

non-native

Vine, Shrub

CAPRIFOLIACEAE

Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil

invasive non-native

Perennial herb

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native

Annual, Perennial herb

Lupinus microcarpus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine

native

Annual herb

Lupinus nanus Sky lupine

native

Annual herb

Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine

native

Annual herb

Lysimachia arvensis Scarlet pimpernel

non-native

Annual herb

MYRSINACEAE

Lythrum californicum California loosestrife, Common loosestrife

native

Perennial herb

LYTHRACEAE

Lythrum hyssopifolia Hyssop loosestrife

invasive non-native
moderate

Annual, Perennial herb

LYTHRACEAE

Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed

native

Annual herb

Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix

native

Annual herb

Malva nicaeensis Bull mallow

non-native

Annual herb

Malva parviflora Cheeseweed mallow

non-native

Annual herb

Malva pseudolavatera

non-native

Annual, Biennial herb

Malvella leprosa Alkali mallow

native

Perennial herb

Matricaria discoidea Pineapple weed

native

Annual herb

Medicago polymorpha Bur clover, Bur medic, California burclover

invasive non-native
limited

Annual herb

Melica californica California melicgrass

native

Perennial grass

Melica imperfecta California melic, Coast range melic, Small flowered melica

native

Perennial grass

Melilotus albus White sweetclover

invasive non-native

Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native

Annual herb

Mentha canadensis Wild mint

native

Perennial herb

Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs

native

Annual herb

Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris

native

Annual herb

Modiola caroliniana Carolina bristle mallow, Carolina bristlemallow

non-native

Perennial herb

Nasturtium officinale Watercress

native

Perennial herb (aquatic)

Navarretia squarrosa Skunkbush, Skunkweed

native

Annual herb

POLEMONIACEAE

Oxalis pes-caprae Bermuda buttercup, Sourgrass

invasive non-native
moderate

Perennial herb

OXALIDACEAE

Oxybasis chenopodioides Small Tree-Mallow

Oxybasis macrosperma Small Tree-Mallow

Oxybasis rubra Small Tree-Mallow

Parapholis incurva Curved sicklegrass, Sickle grass

non-native

Annual grass

Paspalum dilatatum Dallis grass, Dallisgrass

non-native

Perennial grass

Paspalum distichum Knot grass, Knotgrass

native

Perennial grass

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native

Fern

PTERIDACEAE

Perideridia pringlei Adobe yampah

rare native
4.3

Perennial herb

Persicaria amphibia Water smartweed

native

Perennial herb (aquatic)

Persicaria lapathifolia Common knotweed

native

Annual herb

Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope

native

Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata Imbricate Phacelia

native

Annual herb

HYDROPHYLLACEAE

Phalaris aquatica Bulbous canarygrass, Harding grass

invasive non-native
moderate

Perennial grass

Phalaris paradoxa Hood canarygrass

non-native

Annual grass

Phyla nodiflora Common lippia, Lippia, Turkey tangle frogfruit

native

Perennial herb

VERBENACEAE

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native

Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

invasive non-native
limited

Perennial herb

Platanus racemosa California sycamore, Western sycamore

native

Tree

PLATANACEAE

Platystemon californicus Cream cups, Creamcups

native

Annual herb

PAPAVERACEAE

Pleuropogon californicus var. californicus Annual semaphoregrass

native

Perennial grass (rhizomatous)

Pleuropogon californicus var. californicus

Poa annua Annual blue grass, Annual bluegrass

non-native

Annual grass

Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass

native

Perennial grass

Pogogyne douglasii Douglas' mesamint, Douglas' pogogyne

native

Annual herb

Polycarpon depressum California allseed, California manyseed, California polycarpon

native

Annual herb

Polygonum aviculare Prostrate knotweed

non-native

Annual, Perennial herb

Polypodium californicum California polypody

native

Fern

POLYPODIACEAE

Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass

non-native

Perennial grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

invasive non-native
limited

Annual grass

Polypogon viridis Water beard grass

non-native

Perennial grass

Populus fremontii ssp. fremontii Fremont cottonwood

native

Tree

Portulaca oleracea Common purslane, Little hogweed, Purslane

non-native

Annual herb

PORTULACACEAE

Potamogeton nodosus Long leaved pondweed, Longleaf pondweed, Pondweed

native

Perennial herb (aquatic)

POTAMOGETONACEAE

Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed

native

Perennial herb

ROSACEAE

Primula clevelandi [Dodecatheon clevelandii] Small Tree-Mallow

Pseudognaphalium luteoalbum Jersey cudweed

non-native

Annual herb

Pseudognaphalium stramineum Cottonbatting plant

native

Perennial herb

Psilocarphus tenellus Slender woolly marbles, Slender woollyheads

native

Annual herb

Pterostegia drymarioides Fairy mist, Woodland threadstem

native

Annual herb

Quercus agrifolia var. agrifolia California live oak, Coast live oak

native

Tree

FAGACEAE

Quercus durata var. durata Leather oak

native

Shrub

FAGACEAE

Ranunculus californicus California buttercup

native

Perennial herb

RANUNCULACEAE

Raphanus sativus Cultivated radish, Jointed charlock, Wild radish

invasive non-native
limited

Annual, Biennial herb

Rhaponticum repens Russian knapweed

non-native
moderate

Perennial herb

Ricinus communis Castor bean, Castorbean

invasive non-native
limited

Shrub

Rorippa palustris ssp. palustris Bog yellowcress

native

Annual, Perennial herb

Rubus ursinus California blackberry, Pacific blackberry

native

Vine, Shrub

ROSACEAE

Rumex acetosella Common sheep sorrel

invasive non-native
moderate

Perennial herb

Rumex conglomeratus Clustered dock, Green dock

non-native

Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

invasive non-native
limited

Perennial herb

Rumex fueginus Golden dock

native

Annual, Perennial herb

Rumex kerneri Kerner's dock

non-native

Perennial herb

Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock

native

Perennial herb

Salix laevigata Polished willow, Red willow

native

Tree

Salix lasiandra var. lasiandra Pacific willow

native

Tree

Salix lasiolepis Arroyo willow

native

Tree, Shrub

Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed

invasive non-native
limited

Annual herb

Salvia columbariae Chia sage

native

Annual herb

Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot

native

Perennial herb

Sanicula maritima Adobe sanicle, Adobe snakeroot

rare native
1B.1

Perennial herb

Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle

non-native

Annual herb, Vine

Schoenoplectus acutus var. occidentalis Tule

native

Perennial grasslike herb

Schoenoplectus californicus California bulrush

native

Perennial grasslike herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native

Perennial grasslike herb

Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss

native

SELAGINELLACEAE

Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring

non-native

Annual herb

Silene gallica Common catchfly, Windmill pink

non-native

Annual herb

Silybum marianum Blessed milkthistle, Milk thistle

invasive non-native
limited

Annual, Perennial herb

Sisyrinchium bellum Western blue eyed grass

native

Perennial herb

IRIDACEAE

Solanum douglasii Douglas' nightshade, Greenspot nightshade

native

Perennial herb

Solanum nigrum Black nightshade

non-native

Annual herb

Solanum rostratum Buffalo berry, Buffalobur nightshade

non-native

Annual herb

Soliva sessilis Common soliva, Field burrweed, South american soliva

non-native

Annual herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

invasive non-native

Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native

Annual herb

Sorghum bicolor Sorghum

non-native

Annual grass

Spergula arvensis Corn spurry

non-native

Annual herb

Spergularia bocconi Boccone's sand spurry

non-native

Annual herb

Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry

native

Perennial herb

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native

Annual, Perennial herb

Sporobolus indicus Smut grass, Smutgrass

non-native

Perennial grass

Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native

Perennial herb

Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle

native

Perennial herb

Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle

native

Perennial herb

Stellaria media Chickweed

non-native

Annual herb

Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster

native

Perennial herb

Stipa lepida Foothill needle grass

native

Perennial grass

Stipa miliacea var. miliacea Smilo grass

invasive non-native
limited

Perennial grass

Stipa pulchra Purple needle grass

native

Perennial grass

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native

Annual herb

Streptanthus glandulosus ssp. glandulosus

Streptanthus lasiophyllus Small Tree-Mallow

Stuckenia pectinata Sago pondweed

native

Perennial herb (aquatic)

POTAMOGETONACEAE

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native

Shrub

CAPRIFOLIACEAE

Symphyotrichum subulatum Eastern annual saltmarsh aster

native

Annual herb

Tamarix ramosissima Saltcedar, Tamarisk

invasive non-native
high

Tree, Shrub

TAMARICACEAE

Taraxacum officinale Common dandelion

invasive non-native

Perennial herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native

Vine, Shrub

ANACARDIACEAE

Tragopogon porrifolius Purple salsify

non-native

Perennial herb

Tribulus terrestris Puncture vine, Puncturevine

invasive non-native
limited

Annual herb

ZYGOPHYLLACEAE

Trifolium albopurpureum Indian clover, Rancheria clover

native

Annual herb

Trifolium bifidum var. decipiens Notch leaf clover

native

Annual herb

Trifolium depauperatum var. amplectens Balloon sack clover, Pale bladder clover, Pale sack clover

native

Annual herb

Trifolium fragiferum Strawberry clover

non-native

Perennial herb

Trifolium fucatum Bull clover, Sour clover

native

Annual herb

Trifolium hirtum Rose clover

invasive non-native
limited

Annual herb

Trifolium hydrophilum Saline clover

rare native
1B.2

Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native

Annual herb

Trifolium microdon Thimble clover, Valparaiso clover

native

Annual herb

Trifolium pratense Red clover

non-native

Perennial herb

Trifolium repens White clover

non-native

Perennial herb

Trifolium subterraneum Sub clover, Subterranean clover

non-native

Annual herb

Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover

native

Annual herb

Trifolium willdenovii Tomcat clover

native

Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native

Perennial herb

Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck

native

Annual herb

Typha domingensis Narrowleaf cattail, Southern cattail

native

Perennial herb

TYPHACEAE

Typha latifolia Broadleaf cattail, Common cattail, Soft flag

native

Perennial herb (aquatic)

TYPHACEAE

Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle

native

Perennial herb

URTICACEAE

Verbena lasiostachys var. lasiostachys Vervain, Western vervain

native

Perennial herb

VERBENACEAE

Veronica anagallis-aquatica Water speedwell

non-native

Perennial herb

Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch

non-native

Annual herb, Vine

Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch

non-native

Annual herb, Vine

Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch

non-native

Annual herb, Vine

Viola pedunculata California golden violet, Johnny jump up

native

Perennial herb

VIOLACEAE

Xanthium spinosum Spiny clotbur, Spiny cockleburr

non-native

Annual herb

Xanthium strumarium Rough cockleburr

native

Annual herb