This is a working list, about which I make no guarantees at all until I officially release it. Use at your own risk!
Summary Statistics Both the list from Simpson (2000) and from myself (Chester 2003) are incomplete, and are works in progress. Nonetheless, I thought it would be interesting to make a comparison of the numbers so far. These numbers will change significantly in the future.
My list was compiled from my plant trail guides as of 26 December 2003.
Note that Simpson's list is for the entire Santa Margarita Ecological Reserve, whereas my list is compiled solely from taxa seen along the main roads and one trail (collectively called routes below). Hence one would expect that Simpson's list would contain significantly more taxa than my list.
Also, I have in general retained taxa in Simpson's list that are only identified to genera, whereas I have not listed such taxa from my plant guides. This was solely because I had his unidentified species in my database, whereas I do not put my unidentified species in my database. The only exception was Simpson's Sanicula sp., which I left off the merged list due to my positive identification of Sanicula crassicaulis.
Finally, most of my lists were compiled during the drought year of 2001-2002, and hence are known to be very incomplete, especially for annuals.
Due to these differences, and the serious incompleteness of both lists, interpretation of these numbers is hazardous!
Total number of taxa: 388.
Number of taxa in each list: 325 from Simpson; 233 from Chester.
Number of taxa in common between the two lists: 170.
Number of additional taxa from Simpson's list over that of Chester's list alone: 155.
Number of additional taxa from Chester's list over that of Simpson's list alone: 63.
Number of the 233 taxa from Chester found on each of the following routes:
Route Abbreviation # of taxa North Gate to Gorge N 117 North Rim Trail NR 62 South Gate to Gorge S 192 Stone Creek Loop SC 111 The abbreviations are used in the table below to identify where the taxa are found.
These numbers actually fit together pretty well, and are not terribly inconsistent with expectations from the normal distribution of plants, given the incompleteness of both lists:
# of routes # of taxa 0 155 1 83 2 77 3 47 4 26 Thus 26 taxa were found on all four routes, 47 taxa were found on three of the four routes, etc., with most taxa being found only on a single route or not being found on any route.
The only obvious problem seen in the above numbers is that the number of taxa found on just a single route is probably too low relative to the number of taxa found on multiple routes. See, for example, the same distribution from the Santa Monica Mountains. This is undoubtedly the case, since I expect that a lot of such taxa will be picked up from surveys in a normal rainfall year.
The Preliminary Plant List Some of the plant identifications on the trails made by myself have come from the use of Simpson's list, and so are not necessarily independent confirmations of that identification. Such independent confirmations will be made in the future.
The list below undoubtedly contains some misidentifications. It also contains some taxa where the subspecies assignments are different, or not given in one list or the other. These will be resolved in the future.
An asterisk (*) before the common name indicates a non-native taxon.
I have corrected the subspecies of Quercus agrifolia from var. oxyadenia to var. agrifolia in Simpson's list per Simpson 2001, personal communication.
Latin Name Common Name Family N NR S SC Simp. Amaranthus blitoides mat amaranth Amaranthaceae x Malosma laurina laurel sumac Anacardiaceae x x x x x Rhus ovata sugar bush Anacardiaceae x x x x Rhus trilobata basketbush Anacardiaceae x x Toxicodendron diversilobum poison oak Anacardiaceae x x x Apiastrum angustifolium wild celery Apiaceae x Apium graveolens *celery Apiaceae x x x Cicuta douglasii western water hemlock Apiaceae x Daucus pusillus rattlesnake weed Apiaceae x x x Foeniculum vulgare *fennel Apiaceae x x x Lomatium utriculatum common lomatium Apiaceae x Sanicula crassicaulis Pacific sanicle Apiaceae x x x Yabea microcarpa California hedge-parsley Apiaceae x Apocynum cannabinum Indian hemp Apocynaceae x Nerium oleander *oleander Apocynaceae x Vinca major *greater periwinkle Apocynaceae x Asclepias fascicularis narrow-leaf milkweed Asclepiadaceae x Sarcostemma cynanchoides ssp. hartwegii climbing milkweed Asclepiadaceae x Acourtia microcephala acourtia Asteraceae x Ambrosia acanthicarpa bur-ragweed Asteraceae x x Ambrosia psilostachya western ragweed Asteraceae x x x x x Artemisia californica California sagebrush Asteraceae x x x x x Artemisia douglasiana mugwort Asteraceae x x x Artemisia dracunculus wild tarragon Asteraceae x Artemisia tridentata ssp. tridentata big sagebrush Asteraceae x Baccharis emoryi Emory's baccharis Asteraceae x x x Baccharis pilularis coyote bush Asteraceae x Baccharis salicifolia mule fat Asteraceae x x x x Bebbia juncea var. aspera sweetbush Asteraceae x x x Brickellia californica California brickellbush Asteraceae x x x Carduus pycnocephalus *Italian thistle Asteraceae x Centaurea melitensis *tocalote Asteraceae x x x x x Chaenactis artemisiifolia meally white pincushion Asteraceae x x x Chaenactis glabriuscula var. glabriuscula yellow pincushion Asteraceae x x x Chamomilla suaveolens *pineapple weed Asteraceae x Cirsium occidentale var. californicum California thistle Asteraceae x Cirsium occidentale var. occidentale cobwebby thistle Asteraceae x Cnicus benedictus *blessed thistle Asteraceae x Conyza bonariensis *little horseweed Asteraceae x x x Conyza canadensis horseweed Asteraceae x x x x Cotula coronopifolia *brass-buttons Asteraceae x x Encelia californica California encelia Asteraceae x Encelia farinosa brittlebush Asteraceae x x x Ericameria parishii var. parishii Parish's goldenbush Asteraceae x Erigeron foliosus var. foliosus leafy daisy Asteraceae x x x Eriophyllum confertiflorum var. confertiflorum golden yarrow Asteraceae x x x x x Euthamia occidentalis western goldenrod Asteraceae x x Filago californica California filago Asteraceae x x Filago gallica *narrowleaf filago Asteraceae x x x x x Gazania X (mounding hybrid) *gazania Asteraceae x Gnaphalium bicolor bicolored everlasting Asteraceae x x x x x Gnaphalium californicum California everlasting Asteraceae x x x x x Gnaphalium canescens ssp. microcephalum white everlasting Asteraceae x x x x Gnaphalium luteo-album *common cudweed Asteraceae x Gnaphalium stramineum cotton-batting plant Asteraceae x Gutierrezia californica California matchweed Asteraceae x x Hazardia squarrosa var. grindelioides saw-toothed goldenbush Asteraceae x x x x x Hedypnois cretica *Crete weed Asteraceae x x Helianthus annuus annual sunflower Asteraceae x Helianthus gracilentus slender sunflower Asteraceae x x Hemizonia fasciculata slender tarweed Asteraceae x x x x Heterotheca grandiflora telegraph weed Asteraceae x x x x x Hypochaeris glabra *smooth cat's ear Asteraceae x x x Isocoma menziesii coastal goldenbush Asteraceae x Isocoma menziesii var. vernonioides coastal goldenbush Asteraceae x Lactuca serriola *prickly lettuce Asteraceae x x x x Lepidospartum squamatum scale-broom Asteraceae x Lessingia filaginifolia var. filaginifolia California-aster Asteraceae x x x x Osmadenia tenella three spot Asteraceae x x Pluchea odorata salt marsh fleabane Asteraceae x Porophyllum gracile odora Asteraceae x x x Rafinesquia californica California chicory Asteraceae x x x Senecio vulgaris *common groundsel Asteraceae x x x Solidago californica goldenrod Asteraceae x x x Sonchus asper ssp. asper *prickly sow thistle Asteraceae x Sonchus oleraceus *sow thistle Asteraceae x x x Stephanomeria diegensis San Diego wreathplant Asteraceae x x Stephanomeria exigua ssp. deanei slender wreathplant Asteraceae x x x x Stephanomeria virgata ssp. virgata twiggy wreath plant Asteraceae x Stylocline gnaphaloides everlasting nest-straw Asteraceae x Uropappus lindleyi silver puffs Asteraceae x x x Venegasia carpesioides canyon sunflower Asteraceae x Xanthium strumarium cocklebur Asteraceae x x x Alnus rhombifolia white alder Betulaceae x x Cryptantha intermedia popcorn flower Boraginaceae x x x x Cryptantha micromeres minute-flowered cryptantha Boraginaceae x Heliotropium curassavicum seaside heliotrope Boraginaceae x x Pectocarya linearis ssp. ferocula slender combseed Boraginaceae x Plagiobothrys collinus var. fulvescens rusty-haired popcorn flower Boraginaceae x Plagiobothrys nothofulvus rusty-haired popcorn flower Boraginaceae x Brassica nigra *black mustard Brassicaceae x Caulanthus heterophyllus var. pseudosimulans slender-pod jewelflower Brassicaceae x x Hirschfeldia incana *shortpod mustard Brassicaceae x x x x x Lepidium nitidum var. nitidum shining peppergrass Brassicaceae x Lepidium pinnatifidum *wayside pepper-grass Brassicaceae x x Lobularia maritima *sweet alyssum Brassicaceae x Raphanus sativus *purple wild radish Brassicaceae x x Rorippa nasturtium-aquaticum water cress Brassicaceae x x x x Sisymbrium altissimum *tumble-mustard Brassicaceae x Sisymbrium officinale *hedge mustard Brassicaceae x Sisymbrium orientale *Oriental mustard Brassicaceae x Thysanocarpus laciniatus lace-pod Brassicaceae x Opuntia ficus-indica *mission cactus Cactaceae x Opuntia phaeacantha prickly pear Cactaceae x Opuntia Xvaseyi Vasey's prickly pear Cactaceae x Heterocodon rariflorum few-flowered heterocodon Campanulaceae x Lonicera subspicata var. denudata southern honeysuckle Caprifoliaceae x x x x Sambucus mexicana blue elderberry Caprifoliaceae x x x Symphoricarpos mollis creeping snowberry Caprifoliaceae x Silene gallica *windmill pink Caryophyllaceae x x x x Silene laciniata ssp. major southern Indian pink Caryophyllaceae x x Spergularia sp. * Caryophyllaceae x Stellaria pallida *pale starwort Caryophyllaceae x Atriplex semibaccata *creeping Australian saltbush Chenopodiaceae x x x x Chenopodium album *white goosefoot Chenopodiaceae x x Chenopodium ambrosioides *Mexican tea Chenopodiaceae x Chenopodium pumilio *clammy goosefoot Chenopodiaceae x Chenopodium rubrum red goosefoot Chenopodiaceae x Salsola tragus *Russian thistle Chenopodiaceae x x x x x Helianthemum scoparium rockrose Cistaceae x x Calystegia macrostegia ssp. intermedia south coast morning-glory Convolvulaceae x Calystegia macrostegia ssp. tenuifolia San Diego morning-glory Convolvulaceae x x x x Crassula connata pygmy-weed Crassulaceae x Dudleya edulis ladies fingers Crassulaceae x x x x Dudleya lanceolata lanceleaf dudleya Crassulaceae x x x Dudleya pulverulenta chalk lettuce Crassulaceae x Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Crassulaceae x x Marah macrocarpus var. macrocarpus wild-cucumber Cucurbitaceae x x x x x Cuscuta californica var. californica California dodder Cuscutaceae x x x Cuscuta subinclusa canyon dodder Cuscutaceae x Datisca glomerata Durango root Datiscaceae x Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Ericaceae x Arctostaphylos glauca bigberry manzanita Ericaceae x Arctostaphylos rainbowensis Rainbow manzanita Ericaceae x Xylococcus bicolor mission manzanita Ericaceae x x x x Chamaesyce micromera Sonoran spurge Euphorbiaceae x Chamaesyce polycarpa small-seeded spurge Euphorbiaceae x x x Croton californicus California croton Euphorbiaceae x x Eremocarpus setigerus dove weed Euphorbiaceae x x x Tetracoccus dioicus Parry's tetracoccus Euphorbiaceae x x Amorpha fruticosa western false-indigo Fabaceae x Hoita macrostachya leather root Fabaceae x Lathyrus vestitus var. alefeldii San Diego pea Fabaceae x x x Lotus corniculatus *bird's-foot lotus Fabaceae x Lotus hamatus San Diego birdsfoot lotus Fabaceae x x Lotus heermannii var. heermannii silky lotus Fabaceae x x x x Lotus purshianus var. purshianus Spanish clover Fabaceae x x Lotus scoparius var. brevialatus short-winged deerweed Fabaceae x x x x x Lotus scoparius var. scoparius deerweed Fabaceae x Lotus strigosus Bishop's lotus Fabaceae x x x x Lotus strigosus var. hirtellus Bishop's lotus Fabaceae x Lotus strigosus var. strigosus Bishop's lotus Fabaceae x Lupinus bicolor dwarf lupine Fabaceae x x Lupinus concinnus bajada lupine Fabaceae x Lupinus hirsutissimus stinging lupine Fabaceae x x x Lupinus sparsiflorus Coulter's lupine Fabaceae x x x Lupinus truncatus collar lupine Fabaceae x x x x Medicago polymorpha *California burclover Fabaceae x x x x x Medicago sativa *alfalfa Fabaceae x x Melilotus albus *white sweetclover Fabaceae x x x Melilotus indicus *sourclover Fabaceae x x x x x Trifolium willdenovii tomcat clover Fabaceae x Vicia benghalensis *purple vetch Fabaceae x Vicia villosa ssp. varia *winter vetch Fabaceae x x Quercus agrifolia var. agrifolia coast live oak Fagaceae x x x x x Quercus berberidifolia scrub oak Fagaceae x Quercus berberidifolia X Q. engelmannii scrub oak X Engelmann oak Fagaceae x Quercus engelmannii Engelmann oak Fagaceae x x x Quercus engelmannii X Q. Xacutidens Torrey oak X Engelmann oak Fagaceae x Quercus wislizeni var. frutescens interior live oak Fagaceae x Quercus Xacutidens Torrey's scrub oak Fagaceae x x Centaurium exaltatum desert centaury Gentianaceae x Centaurium venustum canchalagua Gentianaceae x Eustoma exaltatum catchfly prairie-gentian Gentianaceae x Erodium botrys *long-beaked filaree Geraniaceae x Erodium cicutarium *redstem filaree Geraniaceae x x x x Erodium moschatum *white-stemmed filaree Geraniaceae x x x Geranium carolinianum Carolina geranium Geraniaceae x Ribes indecorum white-flowering currant Grossulariaceae x Ribes malvaceum chaparral currant Grossulariaceae x Eriodictyon crassifolium var. crassifolium thick-leaved yerba santa Hydrophyllaceae x Eucrypta chrysanthemifolia var. bipinnatifida eucrypta Hydrophyllaceae x Eucrypta chrysanthemifolia var. chrysanthemifolia eucrypta Hydrophyllaceae x x Phacelia cicutaria var. hispida caterpillar phacelia Hydrophyllaceae x x Phacelia minor wild canterbury bells Hydrophyllaceae x x x x Phacelia ramosissima var. latifolia branching phacelia Hydrophyllaceae x x x x Pholistoma auritum var. auritum fiesta flower Hydrophyllaceae x x x Hypericum sp. Hypericaceae x Juglans californica var. californica Southern California black walnut Juglandaceae x Marrubium vulgare *horehound Lamiaceae x x x Salvia apiana white sage Lamiaceae x x x x x Salvia columbariae chia Lamiaceae x x x x Salvia mellifera black sage Lamiaceae x x x x Stachys ajugoides var. rigida rigid hedge-nettle Lamiaceae x Trichostema lanceolatum vinegar weed Lamiaceae x Lythrum californicum California loosestrife Lythraceae x Malacothamnus fasciculatus chaparral bush mallow Malvaceae x x x x Malva parviflora *cheeseweed Malvaceae x Malva sylvestris *high mallow Malvaceae x Sidalcea malviflora ssp. sparsifolia checkerbloom Malvaceae x x x Eucalyptus camaldulensis *Red River gum Myrtaceae x Eucalyptus globulus *blue gum Myrtaceae x Eucalyptus sideroxylon *red iron bark Myrtaceae x Eucalyptus tereticornis *forest red gum Myrtaceae x Abronia umbellata ssp. umbellata pink sand verbena Nyctaginaceae x Mirabilis californica California four o'clock Nyctaginaceae x x x x Fraxinus velutina velvet ash Oleaceae x Olea europaea *olive Oleaceae x Camissonia bistorta southern suncup Onagraceae x Camissonia californica California suncup Onagraceae x x x Camissonia robusta robust sun-cup Onagraceae x Clarkia purpurea ssp. quadrivulnera purple clarkia Onagraceae x Epilobium canum ssp. canum California fuchsia Onagraceae x x Epilobium ciliatum ssp. ciliatum willowherb Onagraceae x x x Oenothera californica ssp. californica California evening-primrose Onagraceae x Oenothera elata ssp. hookeri Hooker's evening-primrose Onagraceae x Oxalis albicans ssp. pilosa California oxalis Oxalidaceae x x Paeonia californica California peony Paeoniaceae x x Dicentra chrysantha golden ear drops Papaveraceae x Eschscholzia californica California poppy Papaveraceae x x x x Plantago erecta California plantain Plantaginaceae x x x Plantago lanceolata *English plantain Plantaginaceae x x x x Plantago major *common plantain Plantaginaceae x Platanus racemosa western sycamore Platanaceae x x x Allophyllum gilioides ssp. gilioides dense false-gilia Polemoniaceae x Eriastrum sapphirinum sapphire woolly-star Polemoniaceae x Gilia angelensis angel's gilia Polemoniaceae x Linanthus dianthiflorus ground pink Polemoniaceae x Navarretia atractyloides holly-leaf navarretia Polemoniaceae x Navarretia hamata ssp. hamata hooked skunkweed Polemoniaceae x Navarretia intertexta ssp. propinqua needleleaf navarretia Polemoniaceae x x Polygala cornuta var. fishiae Fish's milkwort Polygalaceae x x x Chorizanthe fimbriata var. fimbriata fringed spineflower Polygonaceae x x Eriogonum elongatum var. elongatum long-stemmed buckwheat Polygonaceae x Eriogonum fasciculatum var. fasciculatum California buckwheat Polygonaceae x Eriogonum fasciculatum var. foliolosum California buckwheat Polygonaceae x x x x Eriogonum fasciculatum var. polifolium California buckwheat Polygonaceae x x Eriogonum gracile var. gracile slender buckwheat Polygonaceae x Polygonum lapathifolium willow weed Polygonaceae x Pterostegia drymarioides threadstem Polygonaceae x x Rumex crispus *curly dock Polygonaceae x Rumex salicifolius var. salicifolius willow-leaved dock Polygonaceae x Calandrinia ciliata red maids Portulacaceae x Calyptridium monandrum common pussypaws Portulacaceae x Claytonia perfoliata ssp. mexicana southern miner's lettuce Portulacaceae x x x Claytonia perfoliata ssp. perfoliata miner's lettuce Portulacaceae x Anagallis arvensis *scarlet pimpernel Primulaceae x x x x Dodecatheon clevelandii ssp. clevelandii shooting star Primulaceae x Samolus parviflorus water-pimpernel Primulaceae x Clematis lasiantha virgin's bower Ranunculaceae x Clematis ligusticifolia virgin's bower Ranunculaceae x Clematis pauciflora virgin's bower Ranunculaceae x x x x Thalictrum fendleri var. fendleri Fendler's meadow-rue Ranunculaceae x Ceanothus crassifolius hoaryleaf ceanothus Rhamnaceae x x Ceanothus crassifolius X C. greggii var. perplexans hybrid ceanothus Rhamnaceae x Ceanothus crassifolius X C. ophiochilus hybrid ceanothus Rhamnaceae x Ceanothus integerrimus deer brush Rhamnaceae x Ceanothus tomentosus Ramona lilac Rhamnaceae x Ceanothus tomentosus var. olivaceus Ramona lilac Rhamnaceae x x Rhamnus crocea redberry Rhamnaceae x Rhamnus ilicifolia hollyleaf redberry Rhamnaceae x x x x x Adenostoma fasciculatum chamise Rosaceae x x x Cercocarpus betuloides var. betuloides birch-leaf mountain-mahogany Rosaceae x Cercocarpus minutiflorus San Diego mountain mahogany Rosaceae x x Heteromeles arbutifolia toyon Rosaceae x x x x Potentilla glandulosa ssp. reflexa sticky cinquefoil Rosaceae x Prunus dulcis *almond Rosaceae x Prunus ilicifolia ssp. ilicifolia hollyleaf cherry Rosaceae x Prunus persica * Rosaceae x Rosa californica California wild rose Rosaceae x x Rubus ursinus California blackberry Rosaceae x x x Galium angustifolium ssp. angustifolium narrowleaf bedstraw Rubiaceae x x x x x Galium aparine common bedstraw Rubiaceae x x Galium nuttallii ssp. nuttallii climbing bedstraw Rubiaceae x x Populus balsamifera ssp. trichocarpa black cottonwood Salicaceae x x Populus fremontii ssp. fremontii Fremont cottonwood Salicaceae x x x Salix exigua narrowleaf willow Salicaceae x x x Salix gooddingii black willow Salicaceae x x Salix laevigata red willow Salicaceae x x x x Salix lasiolepis arroyo willow Salicaceae x x x Anemopsis californica yerba mansa Saururaceae x Jepsonia parryi coast jepsonia Saxifragaceae x x Lithophragma affine woodland star Saxifragaceae x Antirrhinum kelloggii twining snapdragon Scrophulariaceae x Antirrhinum nuttallianum ssp. nuttallianum purple snapdragon Scrophulariaceae x x x Castilleja exserta ssp. exserta purple owl's clover Scrophulariaceae x Collinsia heterophylla Chinese houses Scrophulariaceae x Cordylanthus rigidus ssp. setigerus bristly bird's beak Scrophulariaceae x x x Keckiella antirrhinoides var. antirrhinoides chaparral beard-tongue Scrophulariaceae x x x Keckiella cordifolia heartleaf penstemon Scrophulariaceae x x x x x Kickxia spuria *roundleaf fluellin Scrophulariaceae x x Linaria canadensis blue toad-flax Scrophulariaceae x Linaria canadensis var. texana rough-seeded blue toad-flax Scrophulariaceae x Mimulus aurantiacus bush monkeyflower Scrophulariaceae x x x x x Mimulus brevipes wide-throated yellow monkeyflower Scrophulariaceae x x Mimulus cardinalis scarlet monkeyflower Scrophulariaceae x Mimulus guttatus common monkeyflower Scrophulariaceae x Penstemon spectabilis var. spectabilis showy penstemon Scrophulariaceae x Scrophularia californica ssp. floribunda California bee plant Scrophulariaceae x x x Veronica anagallis-aquatica *water speedwell Scrophulariaceae x Datura wrightii sacred datura Solanaceae x x x Nicotiana glauca *tree tobacco Solanaceae x x x x Solanum douglasii white nightshade Solanaceae x Solanum parishii Parish's purple nightshade Solanaceae x x x Solanum xanti purple nightshade Solanaceae x Tamarix ramosissima *saltcedar Tamaricaceae x x Tropaeolum majus *nasturtium Tropaeolaceae x Parietaria hespera var. hespera pellitory Urticaceae x Urtica dioica ssp. holosericea stinging nettle Urticaceae x Verbena scabra rough vervain Verbenaceae x Vitis girdiana wild grape Vitaceae x x x Carex barbarae valley sedge Cyperaceae x Carex spissa San Diego sedge Cyperaceae x x x Carex triquetra triangular-fruit sedge Cyperaceae x Cyperus eragrostis umbrella sedge Cyperaceae x Cyperus involucratus *umbrella plant Cyperaceae x Eleocharis montevidensis sand spikerush Cyperaceae x Scirpus americanus American tule Cyperaceae x x x Scirpus californicus California tule Cyperaceae x Scirpus cernuus annual tule Cyperaceae x Scirpus maritimus prairie rush Cyperaceae x Scirpus microcarpus mountain bog bulrush Cyperaceae x Scirpus pungens three-square Cyperaceae x Sisyrinchium bellum blue-eyed grass Iridaceae x Juncus bryoides moss rush Juncaceae x Juncus effusus var. pacificus Pacific rush Juncaceae x x Juncus mexicanus Mexican rush Juncaceae x Juncus oxymeris pointed rush Juncaceae x Juncus xiphioides iris-leaved rush Juncaceae x Lemna sp. duckweed Lemnaceae x x Asparagus officinalis ssp. officinalis *asparagus Liliaceae x Calochortus splendens splendid mariposa lily Liliaceae x x Chlorogalum pomeridianum var. pomeridianum soap plant Liliaceae x x Chlorogalum sp. soap plant Liliaceae x Dichelostemma capitatum ssp. capitatum blue dicks Liliaceae x x x Yucca schidigera Mohave yucca Liliaceae x Yucca whipplei chaparral yucca Liliaceae x x x x Achnatherum coronatum giant needlegrass Poaceae x x x Aristida adscensionis six-weeks three-awn Poaceae x Arundo donax *giant reed Poaceae x Avena barbata *slender wild oats Poaceae x x x x Avena fatua *wild oats Poaceae x x x Bromus carinatus var. carinatus California brome Poaceae x x Bromus diandrus *ripgut brome Poaceae x x x x Bromus hordeaceus *soft chess Poaceae x x x x x Bromus madritensis ssp. rubens *red brome Poaceae x x x x Chloris virgata *feather finger grass Poaceae x x Cortaderia jubata *pampas grass Poaceae x Cynodon dactylon *Bermuda grass Poaceae x x x x Distichlis spicata saltgrass Poaceae x Elymus glaucus ssp. glaucus blue wildrye Poaceae x Festuca arundinacea *tall fescue Poaceae x Gastridium ventricosum *nit grass Poaceae x x x Hordeum murinum ssp. leporinum *foxtail barley Poaceae x x Hordeum vulgare var. trifurcatum *cultivated barley Poaceae x Lamarckia aurea *goldentop Poaceae x x Leptochloa uninervia Mexican sprangletop Poaceae x Leymus condensatus giant wild rye Poaceae x x x Lolium multiflorum *Italian rye-grass Poaceae x Lolium perenne *English rye-grass Poaceae x Melica imperfecta small-flowered melica Poaceae x x x x Muhlenbergia microsperma littleseed muhly Poaceae x x Muhlenbergia rigens deergrass Poaceae x Nassella cernua nodding needlegrass Poaceae x Nassella lepida foothill needlegrass Poaceae x x Nassella pulchra purple needlegrass Poaceae x x Paspalum distichum knot grass Poaceae x Pennisetum setaceum *fountain grass Poaceae x Piptatherum miliaceum *smilo grass Poaceae x x Polypogon monspeliensis *rabbits-foot grass Poaceae x x x Schismus barbatus *Mediterranean schismus Poaceae x x x x Sporobolus airoides alkali sacaton Poaceae x Vulpia myuros *rattail fescue Poaceae x Vulpia myuros var. myuros *rattail fescue Poaceae x Sparganium eurycarpum ssp. eurycarpum bur-reed Typhaceae x Typha domingensis southern cattail Typhaceae x x x Typha latifolia broadleaf cattail Typhaceae x Azolla filiculoides mosquito fern Azollaceae x Pteridium aquilinum var. pubescens bracken Dennstaedtiaceae x x Dryopteris arguta California wood fern Dryopteridaceae x x Equisetum hyemale ssp. affine horsetail Equisetaceae x Equisetum laevigatum smooth scouring rush Equisetaceae x x Polypodium californicum California polypody Polypodiaceae x x x Adiantum jordanii California maidenhair fern Pteridaceae x Cheilanthes newberryi cotton fern Pteridaceae x x x Pellaea andromedifolia coffee fern Pteridaceae x x x x x Pellaea mucronata var. mucronata bird's-foot fern Pteridaceae x x x x Selaginella bigelovii Bigelow's spike-moss Selaginellaceae x x x x
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Last update: 26 December 2003.