Allophyllum glutinosum (Benth.) A. D. Grant & V. Grant

Eriastrum densifolium (Benth.) H. Mason ssp. elongatum (Beenth.) H. Mason

Eriastrum filifolium (Nutt.) Wooton & Standley

Eriastrum sapphirinum (Eastw.) H. Mason

Gilia angelensis V. Grant

Gilia australis (H. Mason & A. D. Grant) V. Grant & A. D. Grant

Gilia capitata Sims. ssp. abrotanifolia (E. Greene) V. Grant

Leptodactylon californicum Hook. & Arn. ssp. californicum. Prickly phlox

Linanthus androsaceus (Benth.) E. Greene

Linanthus dianthiflorus (Benth.) E. Greene

Linanthus liniflorus (Benth.) E. Greene

Navarretia hamata E. Greene ssp. hamata

Navarretia pubescens (Benth.) Hook. & Arn.

Phlox gracilis E. Greene

Polygalaceae

Polygala cornuta Kellogg var. fishiae (C. Parry) Jepson. Fish's milkwort

Polygonaceae

Chorizanthe parryi S. Watson

Chorizanthe staticoides Benth. Turkish rugging

Chorizanthe wheeleri S. Watson

Eriogonum cinereum Benth.

Eriogonum citharaeforme S. Watson

Eriogonum crocatum A. Davidson. Conejo buckwheat

Eriogonum elongatum Benth. var. elongatum

Eriogonum fasciculatum Benth. var. fasciculatum. California buckwheat

Eriogonum fasciculatum Benth. var. foliolosum (Nutt.) Abrams

Eriogonum gracile Benth. var. gracile

Eriogonum parvifolium Smith

Eriogonum wrightii Benth. var. membranaceum Jepson

Lastarriaea coriacea (Goodman) Hoover

Mucronea californica Benth. California spineflower

Polygonum amphibium L. var. emersum Michaux. Kelp

Polygonum arenastrum Boreau. Common knotweed, doorweed

Polygonum argyrocoleon Kunze

Polygonum hydropiperoides Michaux. Waterpeppers

Polygonum lapathifolium L. Willow weed

Polygonum punctatum Elliott. Water smartweed

Pterostegia drymarioides Fischer & C. Meyer

Rumex acetosella L. Sheep sorrel

Rumex conglomeratus Murray

Rumex crispus L. Curly dock

Rumex kerneri Borbas

Rumex maritimus L. Golden dock

Rumex salicifolius J. A. Weinm. var. crassus (Rech. f.) J. Howell

Rumex salicifolius J. A. Weinm. var. salicifolius. Willow dock

Portulacaceae

Calandrinia breweri S. Watson

Calandrinia ciliata (Ruiz López & Pavon) DC. Red maids

Calandrinia maritima Nutt. Seaside calandrinia

Calyptridium monandrum Nutt.

Claytonia perfoliata Willd. ssp. perfoliata. Miner's lettuce

Lewisia rediviva Pursh. Bitter root

Portulaca oleracea L. Common purslane

Primulaceae

Anagallis arvensis L. Scarlet pimpernel, poor-man's weatherglass

Dodecatheon clevelandii E. Greene ssp. clevelandii

Samolus parviflorus Raf. Water-pimpernel, brookweed

Ranunculaceae

Clematis lasiantha Nutt. Pipestems

Clematis ligusticifolia Nutt. Virgin's bower, verba de chiva

Delphinium cardinale Hook. Cardinal larkspur, scarlet larkspur

Delphinium parryi A. Gray ssp. parryi

Delphinium patens Benth. ssp. hepaticoideum Ewan

Ranunculus californicus Benth.

Ranunculus cymbalaria Pursh. ssp. saximontanus Fern.

Ranunculus hebecarpus Hook & Arn.

Ranunculus repens L.

Thalictrum fendleri A. Gray var. polycarpum Torrey

Resedaceae

Oligomeris linifolia (M. Vahl) J. F. Macbr.

Rhamnaceae

Ceanothus crassifolius Torrey. Hoaryleaf ceanothus

Ceanothus cuneatus (Hook.) Nutt.

Ceanothus leucodermis E. Greene. Chaparral whitethorn

Ceanothus megacarpus Nutt. Big-pod ceanothus

Ceanothus oliganthus Nutt. var. oliganthus

Ceanothus spinosus Torrey & A. Gray. Red-heart, greenbark ceanothus

Rhamnus californica ssp. californica Eschsch. California coffeeberry

Rhamnus crocea Nutt. Spiny redberry, buckthorn

Rhamnus ilicifolia Kellogg. Holly-leaf redberry, holly-leaf buckthorn

Rosaceae

Adenostoma fasciculatum Hook. & Arn. Chamise

Adenostoma sparsifolium Torrey. Red shank

Aphanes occidentalis (Nutt.) Rydb.

Cercocarpus betuloides Torrey & A. Gray var. betuloides. Mountain-mahogany

Chamaebatia australis (Brandeg.) Abrams

Heteromeles arbutifolia (Lindley) M. Roemer. Toyon

Holodiscus discolor (Pursh) Maxim. Oceanspray

Horkelia cuneata Lindley ssp. cuneata

Potentilla anserina L. ssp. pacifica (Howell) Rousi

Potentilla glandulosa Lindley ssp. glandulosa

Prunus ilicifolia (Nutt.) Walp. ssp. ilicifolia. Holly-leaved cherry, islay

Rosa californica Cham. & Schldl. California rose

Rubus discolor Weihe & Nees. Himalayan blackberry

Rubus ursinus Cham. & Schldl. California blackberry

Sanguisorba minor Scop. ssp. muricata Briq. Garden burnet

Rubiaceae

Galium andrewsii A. Gray ssp. andrewsii. Phlox-leaved bedstraw

Galium angustifolium Nutt. ssp. angustifolium. Narrow-leaved bedstraw

Galium aparine L. Goose-grass

Galium cliftonsmithii (Dempster) Dempster & Stebb. Santa Barbara bedstraw

Galium nuttallii A. Gray. San Diego bedstraw

Sherardia arvensis L. Field madder

Rutaceae

Ruta chalepensis L.

Salicaceae

Populus balsamifera L. ssp. trichocarpa (Torrey & A. Gray) Brayshaw. Black cottonwood

Populus fremontii S. Watson ssp. fremontii. Fremont cottonwood

Salix exigua Nutt. Narrow-leaved willow

Salix laevigata Bebb. Red willow

Salix lasiolepis Benth. Arroyo willow

Salix lucida Muhlenb. ssp. lasiandra (Benth.) E. Murray

Saururaceae

Anemopsis californica (Nutt.) Hook. & Arn. Yerba mansa

Saxifragaceae

Boykinia occidentalis Torrey & A. Gray

Boykinia rotundifolia C. Parry. Round-leaved boykinia

Lithophragma affine A. Gray

Saxifraga californica E. Greene

Scrophulariaceae

Antirrhinum coulterianum Benth.

Antirrhinum kelloggii E. Greene

Antirrhinum multiflorum Pennell

Antirrhinum nuttallianum Benth. ssp. subsessile (A. Gray) D. Thompson

Castilleja affinis Hook. & Arn.

Castilleja applegatei Fern. ssp. martinii (Abrams) Chuang & Heckard

Castilleja densiflora (Benth.) Chuang & Heckard

Castilleja exserta (A. A. Heller) Chuang & Heckard ssp. exserta. Purple owl's-clover

Castilleja foliolosa Hook. & Arn.

Castilleja minor (A. Gray) A. Gray ssp. spiralis (Jepson) Chuang & Heckard

Collinsia heterophylla Buist. Chinese houses

Collinsia parryi A. Gray

Cordylanthus maritimus Benth. ssp. maritimus. Salt marsh bird's-beak

Cordylanthus rigidus (Benth.) Jepson ssp. setigerus Chuang & Heckard

Keckiella cordifolia (Benth.) Straw

Linaria canadensis (L.) Dum.-Cours. Blue toadflax

Linaria pinifolia (Poiret) Thellung

Mimulus aurantiacus Curtis. Diplacus, bush monkey flower

Mimulus brevipes Benth.

Mimulus cardinalis Benth.

Mimulus floribundus Lindley

Mimulus guttatus DC.

Mimulus pilosus (Benth.) S. Watson

Pedicularis densiflora Hook. Indian warrior

Penstemon centranthifolius (Benth.) Benth.

Penstemon heterophyllus Lindley var. australis Munz & I. M. Johnston

Penstemon x parishii A. Gray

Penstemon spectabilis Thurber var. subviscosus (Keck) McMinn

Scrophularia californica Cham. & Schlecht ssp. californica. California figwort

Veronica anagallis-aquatica L. Water speedwell

Veronica persica Poiret. Persian speedwell

Simaroubaceae

Ailanthus altissima (Miller) Swingle. Tree-of-heaven, stink tree

Solanaceae

Datura stramonium L. Jimson weed

Datura wrightii Regel

Lycium californicum Nutt.

Lycopersicon esculentum L. Tomato

Nicotiana glauca Graham. Tree tobacco

Nicotiana quadrivalvis Pursh

Petunia parviflora A. L. Juss.

Salpichroa origanifolia (Lam.) Baillon

Solanum americanum Miller

Solanum douglasii Dunal

Solanum elaeagnifolium Cav. White horse-nettle, silverleaf-nettle

Solanum rostratum Dunal. Buffalo berry

Solanum sarrachoides Sendtner

Solanum xanti A. Gray

Tamaricaceae

Tamarix ramosissima Ledeb. Tamarisk, saltcedar

Tropaeolaceae

Tropaeolum majus L. Garden nasturtium

Urticaceae

Hesperocnide tenella Torrey. Western nettle

Parietaria hespera B. D. Hinton

Soleirolia soleirolii (Req.) Dandy. Baby's tears

Urtica dioica L. ssp. holosericea (Nutt.) Thorne. Hoary nettle

Urtica urens L. Dwarf nettle

Valerianaceae

Centranthus ruber (L.) DC. Red valerian

Plectritis ciliosa (E. Greene) Jepson ssp. insignis (Suksd.) D. Morey

Verbenaceae

Phyla lanceolata (Michaux) E. Greene

Phyla nodiflora (L.) E. Greene var. nodiflora

Verbena lasiostachys Link var. lasiostachys

Verbena lasiostachys Link var. scabrida Moldenke

Violaceae

Viola pedunculata Torrey & A. Gray. Johnny jump-up, wild pansy

Viscaceae

Phoradendron macrophyllum (Engelm.) Cockerell. Big-leaf mistletoe

Phoradendron villosum (Nutt.) Nutt. Oak mistletoe

Vitaceae

Vitis girdiana Munson. Desert wild grape

Zygophyllaceae

Tribulus terrestris L. Puncture vine

                                           Monocotyledons

Agavaceae

Yucca whipplei Torrey ssp. intermedia A. L. Haines

Alismataceae

Alisma plantago-aquatica L. Water plantain

Echinodorus berteroi (Sprengel) Fassett

Alliaceae

Allium haematochiton S. Watson

Allium peninsulare Lemmon

Bloomeria crocea (Torrey) Cov. Common goldenstars

Brodiaea jolonensis Eastw.

Dichelostemma capitatum Alph. Wood ssp. capitatum. Blue dicks

Calochortaceae

Calochortus albus Benth. White globe lily, fairy lantern

Calochortus catalinae S. Watson. Catalina mariposa lily

Calochortus clavatus S. Watson ssp. pallidus (Hoover) Munz

Calochortus plummerae E. Greene. Plummer's mariposa lily

Calochortus splendens Benth.

Calochortus venustus Benth.

Cyperaceae

Carex barbarae Dewey

Carex praegracilis W. Boott

Carex senta W. Boott

Carex spissa L. Bailey

Carex triquetra W. Boott

Cyperus eragrostis Lam.

Cyperus erythrorhizos Muhlenb.

Cyperus esculentus L. Yellow nut-grass

Cyperus involucratus Rottb. Umbrella plant

Cyperus niger Ruiz López & Pavon

Cyperus odoratus L.

Cyperus rotundus L. Purple nutsedge

Eleocharis macrostachya Britton

Eleocharis montevidensis Kunth

Eleocharis radicans (Poiret) Kunth

Scirpus acutus Bigelow var. occidentalis (S. Watson) Beetle. Common tule

Scirpus americanus Pers.

Scirpus californicus (C. Meyer) Steudel

Scirpus cernuus Vahl

Scirpus maritimus L.

Scirpus microcarpus C. Presl.

Hyacinthaceae

Chlorogalum pomeridianum (DC.) Kunth var. pomeridianum. Soap plant

Hydrocharitaceae

Najas flexilis (Willd.) Rostkov & Schmidt. Slender water-nymph

Iridaceae

Sisyrinchium bellum S. Watson. Blue-eyed-grass

Juncaceae

Juncus acutus L. ssp. leopoldii (Parl.) Snog.

Juncus balticus Willd.

Juncus bufonius L. Toad rush

Juncus macrophyllus Cov.

Juncus mexicanus Willd.

Juncus patens E. Meyer

Juncus phaeocephalus Engelm. var. paniculatus Engelm.

Juncus textilis Buchenau

Juncus torreyi Cov.

Juncus xiphioides E. Meyer

Juncaginaceae

Triglochin concinna Burtt Davy var. concinna. Arrow-grass

Lemnaceae

Lemna gibba L.

Lemna minor L.

Lemna trisulca L.

Wolfiella lingulata (Hegelm.) Hegelm. Mud-midget

Liliaceae

Fritillaria biflora Lindley. Chocolate lily, mission bells

Lilium humboldtii Roezl & Leichtlin ssp. ocellatum (Kellogg) Thorne. Ocellated lily

Melanthiaceae

Zigadenus fremontii (Torrey) S. Watson. Star-lily

Orchidaceae

Epipactis gigantea Hook. Stream orchid

Piperia unalascensis (Sprengel) Rydb.

Poaceae

Achnatherum coronatum (Thurber) Barkworth

Agrostis exarata Trin.

Agrostis pallens Trin.

Agrostis stolonifera L. Creeping bent

Agrostis viridis Gouan

Ammophila arenaria (L.) Link. European beachgrass

Andropogon glomeratus (Walter) Britton, Sterns & Pogg. var. scabriglumis C. S. Campbell. Bushy bluestem

Aristida adscensionis L. Six-weeks three-awn

Arundo donax L. Giant reed, reed cane

Avena barbata Link

Avena fatua L. Wild oat

Avena sativa L. Cultivated oat

Bothriochloa barbinodis (Lagasca) Herter. Cane bluestem

Briza minor L.

Bromus arizonicus (Shear) Stebb. 

Bromus carinatus Hook. & Arn. var. carinatus

Bromus carinatus Hook. & Arn. var. maritimus

Bromus catharticus Vahl. Rescue grass

Bromus diandrus Roth. Ripgut grass

Bromus hordaceus L. ssp. hordaceus

Bromus laevipus Shear

Bromus madritensis L. ssp. rubens (L.) Husnot. Foxtail chess

Bromus tectorum L. Cheat grass, downy brome

Bromus trinii Desv. Chilean chess

Chloris gayana Kunth. Rhodes grass

Cortaderia jubata (Lemoine) Stapf.

Cortaderia selloana (Schultes) Asch. & Graebner. Pampus grass

Crypsis vaginiflora (Forsskal) Opiz

Cynodon dactylon (L.) Pers. Bermuda grass

Dactylis glomerata L. Orchard grass

Digitaria ischaemum

Digitaria sanguinalis

Distichlis spicata (L.) E. Greene. Saltgrass

Echinochloa colona (L.) Link

Echinochloa crus-galli (L.) P. Beauv. Barnyard grass

Ehrharta erecta Lam.

Elymus glaucus Buckley ssp. glaucus. Blue wildrye

Elymus multisetus (J. G. Smith) Burtt Davy. Big squirreltail

Elymus stebbinsii Gould

Eragrostis barrelieri Daveau

Eragrostis cilianensis (All.) Janchen. Stinkgrass

Eragrostis hypnoides (Lam.) Britton, Sterns & Pogg. Teal lovegrass

Eragrostis mexicana (Hornem.) Link ssp. virescens (C. Presl.) Koch & E. Sánchez

Festuca arundinacea Schreber. Tall fescue

Festuca elmeri Scribner & Merr.

Festuca pratensis Hudson. Meadow fescue

Gastridium ventricosum (Gouan) Schinz & Thell. Nit grass

Hordeum brachyantherum Nevski ssp. californicum (Covas & Stebb.) V. Bothmer, N. Jacobsen & O. Seberg

Hordeum intercedens Nevski

Hordeum marinum Hudson ssp. gussoneanum (Parl.) Thell. Mediterranean barley

Hordeum murinum L. ssp. glaucum (Steudel) Tzvelev

Koeleria macrantha (Ledeb.) J. A. Schultes. Junegrass

Lamarckia aurea (L.) Moench. Goldentop

Leptochloa fascicularis (Lam.) A. Gray. Bearded sprangletop

Leptochloa uninervia (C. Presl.) A. Hitchc. & Chase. Mexican sprangletop

Leymus condensatus (C. Presl.) A. Löve

Leymus triticoides (Buckley) Pilger

Lolium perenne L. Perennial ryegrass

Lolium temulentum L. Darnel

Melica imperfecta Trin.

Monanthochloe littoralis Engelm

Muhlenbergia microsperma (DC.) Kunth. Littleseed muhly

Muhlenbergia rigens (Benth.) A. Hitchc. Deergrass

Nassella cernua (Stebb. & Löve) Barkworth. Nodding needlegrass

Nassella lepida (A. Hitchc.) Barkworth. Foothill needlegrass

Nassella pulchra (A. Hitchc.) Barkworth. Purple needlegrass

Panicum capillare L. Witch grass

Panicum miliaceum L. Broom corn millet

Parapholis incurva (L.) C. E. Hubb. Sickle grass

Paspalum dilatatum Poiret. Dallis grass

Paspalum distichum L. Knotgrass

Pennisetum cladestinum Chiov. Kikuyu grass

Pennisetum setaceum Forsskal

Phalaris aquatica L. Harding grass

Phalaris canariensis L. Canary grass

Phalaris minor Retz

Phalaris paradoxa L.

Phragmites australis (Cav.) Steudel. Common reed

Piptatherum miliaceum (L.) Cosson. Smilo grass

Poa annua L. Annual bluegrass

Poa palustris L. Fowl bluegrass

Poa secunda J. S. Presl. ssp. secunda. One-sided bluegrass

Polypogon interruptus Kunth. Ditch beard grass

Polypogon monspeliensis (L.) Desf.

Schismus barbatus (L.) Thell.

Setaria gracilis Kunth

Setaria pumila (Poiret) Roemer & Schultes

Sorghum halepense (L.) Pers. Johnsongrass

Sporobolus indicus (L.) R. Br. Smutgrass

Stenotaphrum secundatum (Walter) Kuntze. Saint Augustine grass

Triticum aestivum L. Wheat

Vulpia microstachys (Nutt.) Benth. var. ciliata (Beal) Lonard & Gould

Vulpia microstachys (Nutt.) Benth. var. pauciflora (Beal) Lonard & Gould

Vulpia myuros (L.) C. Gmelin var. hirsuta

Vulpia myuros (L.) C. Gmelin var. myuros

Vulpia octoflora (Walter) Rydb. var. octoflora

Potamogetonaceae

Potamogeton crispus L. Crispate-leaved pondweed

Potamogeton pectinatus L. Fennel-leaved pondweed

Ruppia maritima L. Ditch-grass

Typhaceae

Typha domingensis Pers. Southern cattail

Typha latifolia L. Soft-flag, broad-leaved cattail

Zannichelliaceae

Zannichellia palustris L. Horned-pondweed, grass-wrack

Zosteraceae

Phyllospadix scouleri Hook. Surf-grass

Phyllospadix torreyi S. Watson. Surf-grass

Zostera marina L. Eel-grass
 

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