Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

ASPLENIACEAE AIZOACEAE
Asplenium vespertinum (spleenwort) - [Rare]
Carpobrotus edulis (hottentot-fig) * - [Common]
Galenia pubescens * - [Rare] AZOLLACEAE
Malephora crocea * - [Uncommon]
Azolla filiculoides (duck fern, mosquito fern) - [Rare]
Mesembryanthemum crystallinum (common ice plant) * - [Common] BLECHNACEAE
Mesembryanthemum nodiflorum (slender-leaved ice plant) *
Woodwardia fimbriata (chain fern) - [Uncommon] - [Uncommon]
DENNSTAEDTIACEAE Tetragonia tetragonioides (New Zealand-spinach) * -
Pteridium aquilinum var. pubescens (western bracken) - [Uncommon] [Uncommon] AMARANTHACEAE
DRYOPTERIDACEAE Amaranthus albus (tumbleweed) - [Common]
Dryopteris arguta (coastal woodfern) - [Common]
Amaranthus blitoides (prostrate pigweed) * - [Common]
Amaranthus californicus (California amaranth) - [Uncommon] EQUISETACEAE
Amaranthus deflexus (low amaranth) * - [Uncommon]
Equisetum arvense - [Uncommon]
Amaranthus powellii - [Unknown]
Equisetum hyemale ssp. affine (common scouring rush) -
Amaranthus retroflexus (rough pigweed) * - [Common] [Uncommon]
Equisetum laevigatum (smooth scouring-rush) - [Uncommon] ANACARDIACEAE
Equisetum telmateia ssp. braunii (giant horsetail) -
Malosma laurina (laurel sumac) - [Common] [Uncommon]
Rhus integrifolia (lemonadeberry) - [Common]
Equisetum X ferrissi ((sterile hybrid)) - [Unknown]
Rhus ovata (sugar bush) - [Common]
Rhus trilobata var. pilosissima (squaw bush) - [Common] POLYPODIACEAE
Schinus molle (Peruvian-pepper) * - [Uncommon]
Polypodium californicum (polypody) - [Common]
Schinus terebinthifolius (Brazilian pepper tree) * - [Uncommon] PTERIDACEAE
Toxicodendron diversilobum (poison-oak) - [Common]
Adiantum capillus-veneris (venus-hair fern) - [Uncommon]
Adiantum jordanii (Calfornia maidenhair fern) - [Uncommon] APIACEAE
Aspidotis californica (California lace fern) - [Rare]
Angelica tomentosa (woolly angelica) * - [Uncommon]
Cheilanthes cooperae (Cooper's lip fern) - [Rare]
Anthriscus caucalis (bur-chevil) * - [Unknown]
Cheilanthes covillei (Coville's lip fern) - [Rare]
Apiastrum angustifolium (wild-celery) - [Uncommon]
Cheilanthes newberryi (cotton fern) - [Rare]
Apium graveolens (celery) * - [Uncommon]
Notholaena californica ssp. leucophylla (cloak fern) - [Rare]
Berula erecta (water parsnip) - [Rare]
Pellaea andromedifolia (coffee fern) - [Common]
Bowlesia incana (bowlesia) - [Uncommon]
Pellaea mucronata (bird's foot fern) - [Common]
Ciclospermum leptophyllum (marsh parsley) * - [Uncommon]
Pentagramma triangularis ssp. triangularis (goldback fern) -
Conium maculatum (poison-hemlock) * - [Uncommon] [Common]
Daucus pusillus (rattlesnake weed) - [Common]
Foeniculum vulgare (fennel) * - [Common] SELAGINELLACEAE
Hydrocotyle moschata * - [Rare]
Selaginella bigelovii (spike moss) - [Common]
Hydrocotyle ranunculoides (marsh pennywort) - [Unknown]
Hydrocotyle umbellata (many-flowered marsh-pennywort) - THELYPTERIDACEAE [Uncommon]
Thelypteris puberula var. sonorensis (downy woodfern) -
Hydrocotyle verticillata (whorled pennywort) - [Unknown] [Rare]
Lomatium dasycarpum ssp. dasycarpum (woolly lomatium) -

CUPRESSACEAE [Common]

Juniperus californica (juniper) - [Rare]
Lomatium lucidum (shiny lomatium) - [Common]
Lomatium utriculatum (hog fennel) - [Uncommon] ACERACEAE
Oenanthe sarmentosa (dropwort) - [Uncommon]
Acer macrophyllum (bigleaf maple, canyon maple) -
Osmorhiza brachypoda (sweet-cicely) - [Rare] [Uncommon]
Sanicula arguta (snake root) - [Common]
Acer negundo var. californicum (box-elder) * - [Uncommon]
Sanicula bipinnata (poison sanicle) - [Uncommon]
Sanicula crassicaulis (Pacific sanicle) - [Uncommon] AIZOACEAE
Sanicula tuberosa (turkey pea) - [Common]
Aptenia cordifolia (ice plant) * - [Uncommon]
Scandix pecten-veneris (shepherd's needle) * - [Rare]
Carpobrotus chilensis (sea-fig) * - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 1 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

APIACEAE ASTERACEAE
Tauschia arguta (southern tauschia) - [Common]
Brickellia californica (California brickellbush) - [Common]
Tauschia hartwegii (Hartweg's tauschia) - [Uncommon]
Brickellia nevinii (Nevin's brickellbush) - [Uncommon]
Torilis arvensis (spreading hedge parsley) * - [Common]
Carduus pycnocephalus (Italian thistle) * - [Common]
Torilis nodosa (knotted hedge parsley) * - [Rare]
Centaurea calcitrapa * - [Unknown]
Yabea microcarpa (California hedge parsley) - [Rare]
Centaurea melitensis (tocalote, yellow starthistle) * - [Common] APOCYNACEAE
Centaurea solstitialis (Barneby's-thistle) * - [Uncommon]
Apocynum cannabinum (dogbane) - [Rare]
Centromadia pungens (common spikeweed) - [Rare]
Vinca major (periwinkle) * - [Uncommon]
Centromadia pungens ssp. laevis - [Rare]
Centromadia pungens ssp. pungens - [Unknown] ASCLEPIADACEAE
Chaenactis artemisiifolia (white pincushion) - [Uncommon]
Araujia sericifera (white bladderflower) * - [Uncommon]
Chaenactis glabriuscula var. glabriuscula (yellow pincushion)
Asclepias californica (California milkweed) - [Uncommon] - [Uncommon]
Asclepias eriocarpa (Indian milkweed) - [Uncommon]
Chaenactis glabriuscula var. lanosa - [Unknown]
Asclepias fascicularis (Narrow-leaved milkweed) - [Common]
Chamomilla suaveolens (pineapple weed) * - [Common]
Sarcostemma cynanchoides ssp. hartwegii (climbing
Chondrilla juncea (skeleton weed) * - [Uncommon] milkweed) - [Rare]
Chrysanthemum coronarium (garland chrysanthemum) * -

ASTERACEAE [Uncommon]
Achillea millefolium (yarrow) - [Rare]
Chrysothamnus nauseosus ssp. mohavensis (rabbit-brush) -
Achyrachaena mollis (blow-wives) - [Rare] [Rare]
Acourtia microcephala (perezia) - [Common]
Cichorium intybus (chicory) * - [Uncommon]
Acroptilon repens (Russian knapweed) * - [Rare]
Cirsium occidentale var. californicum (California thistle) -
Ageratina adenophora (thoroughwort) * - [Uncommon] [Common]
Agoseris grandiflora (mountain dandelion) - [Uncommon]
Cirsium occidentale var. occidentale (cobwebby thistle) -
Agoseris heterophylla (annual goatsbeard) - [Unknown] [Unknown]
Amblyopappus pusillus (coast weed) - [Rare]
Cirsium vulgare (bull thistle) * - [Uncommon]
Ambrosia acanthicarpa (sand-bur) - [Uncommon]
Cnicus benedictus (blessed thistle) - [Uncommon]
Ambrosia artemisiifolia (common ragweed) * - [Common]
Conyza bonariensis (little horseweed) * - [Uncommon]
Ambrosia chamissonis (silver beach-bur) - [Common]
Conyza canadensis (horseweed) - [Common]
Ambrosia confertiflora (perennial burweed) - [Uncommon]
Conyza coulteri - [Uncommon]
Ambrosia psilostachya (western ragweed) - [Common]
Coreopsis bigelovii (annual coreopsis) - [Rare]
Anaphalis margaritacea - [Unknown]
Coreopsis calliopsidea (leafystem coreopsis) - [Rare]
Ancistrocarphus filagineus (woolly fishhooks) - [Common]
Coreopsis gigantea (giant coreopsis) - [Uncommon]
Anthemis cotula (mayweed) * - [Rare]
Corethrogyne filaginifolia - [Common]
Artemisia biennis (biennial sagewort) * - [Uncommon]
Cotula australis (Australian brassbutton) * - [Common]
Artemisia californica (California sagebrush) - [Common]
Cotula coronopifolia (brass buttons) * - [Uncommon]
Artemisia douglasiana (mugwort) - [Common]
Crepis capillaris (smooth hawksbeard) * - [Unknown]
Artemisia dracunculus (dragon sage, wild tarragon) -
Cynara cardunculus (cardoon) * - [Uncommon] [Common]
Cynara scolymus (artichoke) * - [Unknown]
Artemisia tridentata ssp. parishii (big sagebrush) - [Rare]
Deinandra fasciculata (slender tarweed) - [Common]
Aster lanceolatus ssp. hesperius (western aster) - [Rare]
Deinandra minthornii (Santa Susana tarweed) - [Rare]
Baccharis douglasii (salt marsh baccharis) - [Uncommon]
Deinandra ramosissima - [Unknown]
Baccharis malibuensis - [Rare]
Dimorphotheca sinuata (cape-marigold) * - [Uncommon]
Baccharis pilularis (coyote bush) - [Common]
Eclipta prostrata (yerba de tajo) - [Uncommon]
Encelia californica (bush sunflower) - [Common] ASTERACEAE
Encelia farinosa (brittlebush, incienso) - [Rare]
Baccharis plummerae ssp. plummerae (Plummer's
Erechtites minima * - [Rare] baccharis) - [Uncommon]
Ericameria arborescens (golden-fleece) - [Rare]
Baccharis salicifolia (mule fat) - [Common]
Ericameria ericoides (mock heather) - [Uncommon]
Baccharis sergiloides (desert baccharis, squaw waterweed) *
Ericameria linearifolia (slender-leaved goldenbush) - - [Unknown] [Uncommon]
Bellis perennis (English daisy) * - [Uncommon]
Ericameria palmeri var. pachylepis (Palmer's goldenbush) -
Bidens frondosa (stick-tight) - [Common] [Uncommon]
Bidens laevis (bur-marigold) - [Rare]
Ericameria parishii var. parishii (Parish's goldenbush) -
Bidens pilosa (beggar-ticks) * - [Common] [Uncommon] ASTERACEAE

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 2 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

Ericameria pinifolia (pine-bush) - [Uncommon] ASTERACEAE
Erigeron foliosus var. foliosus (fleabane aster) - [Uncommon]
Isocoma menziesii var. vernonioides (coast goldenbush) -
Eriophyllum confertiflorum var. confertiflorum (golden- [Common] yarrow) - [Common]
Iva axillaris ssp. robustior (poverty weed) - [Uncommon]
Eriophyllum multicaule (many-stem woolly-sunflowe) -
Jaumea carnosa (marsh jaumea) - [Uncommon] [Unknown]
Lactuca serriola (lettuce) * - [Common]
Euthamia occidentalis (western goldentop) - [Uncommon]
Lactuca virosa * - [Unknown]
Filago californica (California filago) - [Uncommon]
Lagophylla ramosissima ssp. ramosissima (hareleaf) - [Rare]
Filago gallica * - [Uncommon]
Lasthenia californica (coast goldfields) - [Uncommon]
Galinsoga parviflora (small-flowered galinsoga) * -
Lasthenia coronaria (southern goldfields) - [Uncommon] [Uncommon]
Lasthenia glabrata ssp. coulteri (Coulter's goldfields) - [Rare]
Gnaphalium bicolor (two-tone everlasting) - [Common]
Layia hieracioides - [Unknown]
Gnaphalium californicum (california everlasting, green
Layia platyglossa (tidy tips) - [Uncommon] everlasting) - [Common]
Lepidospartum squamatum (scale broom) - [Uncommon]
Gnaphalium canescens ssp. beneolens (fragrant everlasting)
Lessingia glandulifera - [Rare] - [Uncommon]
Madia elegans - [Rare]
Gnaphalium canescens ssp. microcephalum (felt-leaf
Madia elegans ssp. densifolia (common madia, crown everlasting, white everlasting) - [Uncommon] madia) - [Rare]
Gnaphalium leucocephalum (Sonora everlasting) -
Madia elegans ssp. elegans - [Common] [Uncommon]
Madia exigua (pygmy madia) - [Rare]
Gnaphalium luteo-album (weedy cudweed) * - [Uncommon]
Madia gracilis (gumweed) - [Uncommon]
Gnaphalium palustre (lowland cudweed) - [Uncommon]
Madia sativa (coast tarweed) - [Unknown]
Gnaphalium ramosissimum (pink everlasting) - [Uncommon]
Malacothrix clevelandii (annual malacothrix) - [Rare]
Gnaphalium stramineum (cotton-batting plant) - [Rare]
Malacothrix coulteri (snake's head) - [Unknown]
Grindelia camporum var. bracteosum (bracted gumplant) -
Malacothrix saxatilis var. tenuifolia (cliff-aster) - [Common] [Unknown]
Micropus californicus var. californicus (slender cottonweed) -
Grindelia camporum var. camporum (gum plant) - [Common] [Uncommon]
Microseris douglasii ssp. douglasii (microseris) -
Gutierrezia californica (snakeweed) - [Rare] [Uncommon]
Gutierrezia sarothrae (broom snakeweed, matchweed) -
Microseris douglasii ssp. platycarpha - [Rare] [Unknown]
Microseris douglasii ssp. tenella (microseris) - [Uncommon]
Hazardia squarrosa var. grindelioides (sawtooth goldenbush)
Microseris elegans (elegant microseris) - [Rare] - [Common]
Monolopia lanceolata (monolopia) - [Uncommon]
Hedypnois cretica (hedypnois) * - [Uncommon]
Osteospermum ecklonis (blue and white daisybush) * -
Helenium puberulum (sneezeweed) - [Uncommon] [Common]
Helianthus annuus (common sunflower) - [Common]
Osteospermum fructicosum (trailing African daisy) * -
Helianthus californicus (California sunflower) - [Unknown] [Uncommon]
Helianthus gracilentus (slender sunflower) - [Common]
Pentachaeta lyonii (Lyon's pentachaeta) - [Rare]
Heliomeris hispida * - [Unknown]
Perityle emoryi (rock daisy) - [Uncommon]
Heliomeris longifolia (longleaf false goldeneye) * - [Unknown]
Picris echioides (bristly ox-tongue) * - [Common]
Hemizonia congesta ssp. luzulifolia (hayfield tarweed) -
Pluchea odorata (marsh-fleabane) - [Rare] [Unknown]
Psilocarphus brevissimus var. brevissimus (dwarf woolly
Heterotheca grandiflora (telegraph weed) - [Common] heads) - [Unknown]
Heterotheca sessiliflora ssp. fastigiata (hairy goldenaster) -
Psilocarphus tenellus var. tenellus (woolly-heads) - [Rare] [Rare]
Rafinesquia californica (California chicory) - [Uncommon]
Heterotheca sessiliflora ssp. sessiliflora (hairy golden-aster)
Senecio aphanactis (California groundsel) - [Rare] - [Rare]
Senecio breweri (Brewer's butterweed) - [Uncommon]
Heterotheca villosa (hairy golden-aster) - [Uncommon]
Senecio californicus (California butterweed) - [Uncommon]
Hieracium argutum (hawkweed) - [Rare]
Senecio flaccidus var. douglasii (bush senecio) - [Common]
Hypochaeris glabra (annual cat's ear) * - [Common]
Senecio mikanioides (German ivy) * - [Common]
Hypochaeris radicata (perennial cat's ear) * - [Rare]
Senecio vulgaris (common groundsel) * - [Common]
Isocoma menziesii var. menziesii (Menzies' goldenbush) -
Silybum marianum (milk-thistle) * - [Common] [Unknown]
Solidago californica (California goldenrod) - [Uncommon]
Isocoma menziesii var. sedoides (coast goldenbush) -
Solidago gigantea - [Unknown] [Uncommon]
Soliva sessilis (common soliva) * - [Rare]
Sonchus asper ssp. asper * - [Common]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 3 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

ASTERACEAE BORAGINACEAE
Sonchus oleraceus (sow-thistle) * - [Common]
Plagiobothrys canescens (valley popcorn flower) - [Rare]
Stebbinsoseris heterocarpa (brown microseris) -
Plagiobothrys collinus var. californicus - [Unknown] [Uncommon]
Plagiobothrys collinus var. fulvescens - [Unknown]
Stephanomeria cichoriacea (Tejon milk aster) - [Uncommon]
Plagiobothrys nothofulvus (popcorn flower) - [Uncommon]
Stephanomeria diegensis - [Uncommon]
Plagiobothrys tenellus - [Unknown]
Stephanomeria exigua ssp. coronaria - [Uncommon]
Stephanomeria virgata ssp. virgata (wand chicory) - BRASSICACEAE [Common]
Arabis glabra var. glabra (tower-mustard) - [Uncommon]
Stylocline gnaphaloides (everlasting nest-straw) -
Arabis sparsiflora var. californica (elegant rock rose) - [Uncommon] [Uncommon]
Symphyotrichum subulatum var. ligulatum (slim aster) -
Athysanus pusillus (dwarf athysanus) - [Uncommon] [Rare]
Barbarea orthoceras (winter-cress) - [Uncommon]
Tanacetum parthenium (feverfew) * - [Unknown]
Brassica napus * - [Unknown]
Taraxacum officinale (common dandelion) * - [Uncommon]
Brassica nigra (black mustard) * - [Common]
Tetradymia comosa - [Rare]
Brassica rapa (common mustard) * - [Uncommon]
Tragopogon porrifolius (oyster plant, salsify) * - [Rare]
Brassica tournefortii * - [Rare]
Uropappus lindleyi (silver puffs) - [Common]
Cakile edentula (sea-rocket) * - [Unknown]
Urospermum picroides * - [Unknown]
Cakile maritima (sea-rocket) * - [Uncommon]
Venegasia carpesioides (canyon sunflower) - [Common]
Camelina microcarpa * - [Unknown]
Verbesina encelioides ssp. exauriculata (golden
Capsella bursa-pastoris (shepherd's-purse) * - [Common] crownbeard) * - [Uncommon]
Cardamine californica var. californica (milkmaids) -
Xanthium spinosum (spiny clotbur) - [Uncommon] [Uncommon]
Xanthium strumarium (cocklebur) - [Common]
Cardamine oligosperma (bitter-cress) - [Uncommon]
Cardaria draba (hoary-cress) * - [Rare] BATACEAE
Cardaria pubescens (whitetop) * - [Uncommon]
Batis maritima (saltwort) - [Uncommon]
Caulanthus coulteri - [Unknown]
Caulanthus heterophyllus var. heterophyllus (jewel flower) - BERBERIDACEAE [Uncommon]
Berberis nevinii (Nevin's barberry) - [Rare]
Caulanthus heterophyllus var. pseudosimulans - [Unknown]
Berberis pinnata ssp. pinnata (barberry) - [Rare]
Coronopus didymus (wart-cress) * - [Uncommon]
Descurainia pinnata - [Unknown] BETULACEAE
Alnus rhombifolia (white alder) - [Uncommon] BRASSICACEAE
Descurainia pinnata ssp. halictorum - [Unknown] BORAGINACEAE
Descurainia pinnata ssp. menziesii (tansy mustard) -
Amsinckia douglasiana - [Unknown] [Uncommon]
Amsinckia menziesii (small-flowered fiddleneck) -
Descurainia sophia (flix-weed) * - [Uncommon] [Uncommon]
Diplotaxis tenuifolia (wall-rocket) * - [Rare]
Amsinckia menziesii var. intermedia (common fiddleneck) -
Dithyrea maritima (spectacle-pod) - [Rare] [Common]
Draba cuneifolia - [Unknown]
Amsinckia menziesii var. menziesii (small-flowered
Draba cuneifolia var. integrifolia (rock cress) - [Unknown] fiddleneck) - [Uncommon]
Erysimum capitatum ssp. capitatum (western wallflower) -
Cryptantha clevelandii (white forget-me-not) - [Uncommon] [Uncommon]
Cryptantha intermedia (popcorn flower large-flowered) -
Erysimum insulare ssp. suffrutescens (coast wallflower) - [Common] [Rare]
Cryptantha micromeres (popcorn flower minute-flowered) -
Guillenia lasiophylla - [Unknown] [Uncommon]
Hirschfeldia incana (Mediterranean mustard) * - [Common]
Cryptantha microstachys (popcorn flower Tejon cryptantha) -
Lepidium lasiocarpum var. lasiocarpum (hairy peppergrass) - [Uncommon] [Uncommon]
Cryptantha muricata (prickly popcorn flower) - [Common]
Lepidium latifolium (perennial peppergrass) * - [Uncommon]
Heliotropium curassavicum (wild heliotrope) - [Common]
Lepidium latipes var. latipes (dwarf peppergrass) - [Rare]
Pectocarya linearis ssp. ferocula (slender pectocarya) -
Lepidium nitidum (shining peppergrass) - [Uncommon] [Uncommon]
Lepidium nitidum var. nitidum - [Unknown]
Pectocarya penicillata (winged pectocarya) - [Rare]
Lepidium oblongum var. oblongum - [Uncommon]
Plagiobothrys acanthocarpus (adobe popcorn flower) -
Lepidium perfoliatum * - [Rare] [Rare]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 4 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

BRASSICACEAE CAPRIFOLIACEAE
Lepidium virginicum var. pubescens (peppergrass) -
Lonicera japonica (Japanese honeysuckle ('Halliani')) - [Uncommon] [Unknown]
Lobularia maritima (sweet-alyssum) * - [Uncommon]
Lonicera subspicata var. denudata (chaparral honeysuckle) -
Matthiola incana (stock) * - [Uncommon] [Common]
Raphanus raphanistrum (jointed charlock) * - [Uncommon]
Sambucus mexicana (elderberry) - [Common]
Raphanus sativus (wild radish) * - [Common]
Symphoricarpos mollis (snowberry) - [Common]
Rorippa curvisiliqua (yellow cress) - [Uncommon]
Rorippa nasturtium-aquaticum (water-cress) * - [Common] CARYOPHYLLACEAE
Sinapis arvensis (field charlock) * - [Common]
Cardionema ramosissimum (sand mat) - [Uncommon]
Sisymbrium altissimum (tumble-mustard) * - [Uncommon]
Cerastium glomeratum (mouse-ear chickweed) * - [Rare]
Sisymbrium irio (london-rocket) * - [Uncommon]
Gypsophila elegans (showy baby's-breath) - [Unknown]
Sisymbrium officinale (hedge-mustard) * - [Uncommon]
Herniaria hirsuta ssp. cinerea (herneria) * - [Uncommon]
Sisymbrium orientale (oriental mustard) * - [Uncommon]
Loeflingia squarrosa var. squarrosa - [Unknown]
Stanleya pinnata (golden prince's plume) - [Rare]
Minuartia douglasii (Douglas' sandwort) - [Uncommon]
Thysanocarpus curvipes (lace-pod) - [Rare]
Petrorhagia dubia (hairypink) * - [Unknown]
Thysanocarpus laciniatus (narrow-leaved fringe-pod) -
Polycarpon depressum (California polycarpa) - [Uncommon] [Uncommon]
Polycarpon tetraphyllum (four-leaved polycarp) * -
Tropidocarpum gracile (dobie-pod) - [Uncommon] [Uncommon]
Silene antirrhina (sleepy catchfly, snapdragon catchfly) - BUDDLEJACEAE [Rare]
Buddleja davidii (summer lilac) * - [Rare]
Silene gallica (windmill pink) * - [Common]
Buddleja saligna (butterfly bush) * - [Rare]
Silene laciniata ssp. major (indian pink) - [Common]
Silene multinervia (many-nerved catchfly) - [Rare] CACTACEAE
Silene verecunda ssp. platyota (Dolores campion) - [Rare]
Opuntia basilaris var. basilaris (beavertail cactus) -
Spergula arvensis ssp. arvensis (corn spurry) * - [Rare] [Unknown]
Spergularia bocconi - [Uncommon]
Opuntia ficus-indica (indian-fig) * - [Uncommon]
Spergularia macrotheca var. leucantha - [Unknown]
Opuntia littoralis - [Unknown]
Spergularia macrotheca var. macrotheca (large-flowered
Opuntia littoralis var. littoralis (coastal prickly-pear) - sand spurry) - [Common] [Uncommon]
Spergularia marina (salt-marsh sand spurry) - [Common]
Opuntia oricola (prickly pear) - [Uncommon]
Spergularia villosa * - [Unknown]

CACTACEAE CARYOPHYLLACEAE
Opuntia prolifera (coast cholla) - [Uncommon]
Stellaria media (common chickweed) * - [Common]
Opuntia X occidentalis - [Unknown]
Stellaria nitens (shiny chickweed) - [Uncommon] CALLITRICHACEAE
Callitriche marginata (California water-starwort) - CHENOPODIACEAE [Uncommon]
Atriplex californica (California saltbush) - [Uncommon]
Atriplex canescens ssp. canescens (fourwing saltbush, CAMPANULACEAE shad-scale) - [Unknown]
Githopsis diffusa ssp. diffusa (southern blue-cup) - [Rare]
Atriplex canescens var. linearis - [Unknown]
Lobelia dunnii var. serrata (Rothrock's lobelia) - [Uncommon]
Atriplex coulteri (Coulter's saltbush) - [Rare]
Nemacladus ramosissimus (Nuttall's nemocladus) - [Rare]
Atriplex lentiformis ssp. lentiformis (quail bush) -
Triodanis perfoliata (little Venus looking glass) - [Unknown] [Uncommon]
Triodanis perfoliata var. biflora (little Venus' looking glass) -
Atriplex leucophylla (beach saltbush) - [Uncommon] [Unknown]
Atriplex linearis * - [Unknown]

CANNABACEAE Atriplex polycarpa * - [Uncommon]
Cannabis sativa (marijuana) * - [Unknown]
Atriplex rosea (redscale) * - [Common]
Atriplex semibaccata (Australian saltbush) * - [Common] CAPPARACEAE
Atriplex serenana var. serenana (annual saltbush) -
Isomeris arborea (bladderpod) - [Uncommon] [Uncommon]
Atriplex subspicata - [Unknown] CAPRIFOLIACEAE
Atriplex triangularis (arrow-leaf saltbush) * - [Common]
Lonicera hispidula var. vacillans (California honeysuckle) -
Atriplex watsonii - [Uncommon] [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 5 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

CHENOPODIACEAE CORNACEAE
Bassia hyssopifolia (five-hook bassia) * - [Uncommon]
Cornus glabrata (brown dogwood) - [Rare]
Beta vulgaris (garden beet) * - [Uncommon]
Chenopodium album (lamb's quarter, pigweed) * - CRASSULACEAE [Unknown]
Crassula connata (pygmyweed) - [Common]
Chenopodium ambrosioides (mexican tea) * - [Common]
Dudleya abramsii ssp. parva (Conejo dudleya) - [Rare]
Chenopodium berlandieri (goosefoot) - [Uncommon]
Dudleya blochmaniae ssp. blochmaniae (Blochman's live-
Chenopodium californicum (California goosefoot, soap plant) forever) - [Rare] - [Uncommon]
Dudleya caespitosa (live-forever) - [Uncommon]
Chenopodium macrospermum var. halophilum (coast
Dudleya cymosa (marcescent dudleya) - [Uncommon] goosefoot) - [Uncommon]
Dudleya cymosa ssp. marcescens (Santa Monica Mountains
Chenopodium multifidum (cut-leaved goosefoot) * - marscescent dudleya) - [Rare] [Common]
Dudleya cymosa ssp. ovatifolia (Santa Monica Mountains
Chenopodium murale (nettle-leaf goosefoot, sowbane) * - dudleya) - [Rare] [Common]
Dudleya lanceolata (lance-leaf live-forever) - [Common]
Chenopodium pumilio (Tasmanian goosefoot) * -
Dudleya multicaulis (long-stemmed hasseanthus) - [Rare] [Uncommon]
Dudleya palmeri - [Uncommon]
Chenopodium rubrum - [Common]
Dudleya pulverulenta ssp. pulverulenta (chalk live-forever) -
Chenopodium strictum var. glaucophyllum (white goosefoot) [Uncommon] * - [Common]
Dudleya verityi (Verity's dudleya) - [Rare]
Kochia scoparia - [Unknown]
Sedum spathulifolium (stonecrop) - [Rare]
Salicornia bigelovii - [Uncommon] CUCURBITACEAE
Salicornia maritima - [Unknown]
Cucurbita foetidissima (gourd) - [Common]
Salicornia subterminalis (Parish's glasswort) - [Uncommon]
Marah fabaceus (California manroot) - [Unknown]
Salicornia virginica (annual pickleweed, slender glasswort) -
Marah macrocarpus var. macrocarpus (man-root) - [Uncommon] [Common]
Salsola tragus (Russian thistle) * - [Common]
Suaeda calceoliformis (sea blite) - [Rare] DATISCACEAE
Suaeda esteroa (estuary sea-blite) - [Uncommon]
Datisca glomerata (Durango root) - [Common]
Suaeda taxifolia (California sea blite) - [Uncommon] ELATINACEAE CISTACEAE
Elatine californica (California waterwort) - [Uncommon]
Cistus ladaniferus (rock-rose) * - [Unknown]
Helianthemum scoparium (rock-rose) - [Common] ERICACEAE
Arbutus menziesii - [Unknown] CONVOLVULACEAE
Arctostaphylos glandulosa ssp. mollis (Eastwood's
Calystegia macrostegia - [Unknown] manzanita) - [Uncommon]
Calystegia macrostegia ssp. arida - [Unknown]
Arctostaphylos glauca (bigberry manzanita) - [Uncommon]
Calystegia macrostegia ssp. cyclostegia (morning glory) -
Comarostaphylis diversifolia ssp. planifolia (summer holly) - [Common] [Rare]
Calystegia macrostegia ssp. intermedia - [Unknown]
Calystegia purpurata ssp. purpurata - [Uncommon] EUPHORBIACEAE
Calystegia soldanella (beach morning-glory) - [Uncommon]
Chamaesyce albomarginata (rattlesnake weed) -
Convolvulus arvensis (bindweed) * - [Uncommon] [Uncommon]
Convolvulus simulans - [Uncommon]
Chamaesyce maculata (spotted spurge) * - [Uncommon]
Cressa truxillensis (alkali weed) - [Uncommon]
Chamaesyce melanadenia (squaw spurge) - [Uncommon]
Cuscuta californica (dodder) - [Common]
Chamaesyce polycarpa var. hirtella (golondrina) -
Cuscuta californica var. breviflora - [Unknown] [Uncommon]
Cuscuta californica var. papillosa - [Unknown]
Chamaesyce polycarpa var. polycarpa - [Common]
Cuscuta pentagona (dodder) - [Uncommon]
Chamaesyce serpens * - [Unknown]
Cuscuta salina var. major (dodder) - [Uncommon]
Chamaesyce serpyllifolia (thyme-leaved spurge) -
Cuscuta subinclusa (canyon dodder) - [Common] [Uncommon]
Dichondra occidentalis (western dichondria) - [Uncommon]
Croton californicus (croton) - [Uncommon]
Ipomoea purpurea (common morning-glory) * - [Uncommon]
Croton setigerus (turkey mullein) - [Common]
Euphorbia crenulata (Chinese caps) - [Uncommon]
Euphorbia esula (leafy spurge) * - [Unknown]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 6 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

EUPHORBIACEAE FABACEAE
Euphorbia lathyris (caper spurge) * - [Unknown]
Lupinus chamissonis (dune bush lupine) - [Uncommon]
Euphorbia peplus (petty spurge) * - [Common]
Lupinus concinnus (bajada lupine) - [Uncommon]
Euphorbia spathulata - [Unknown]
Lupinus excubitus (grape soda lupine) - [Unknown]
Euphorbia terracina * - [Unknown]
Lupinus formosus var. fornosus (summer lupine) -
Ricinus communis (castor-bean) * - [Common] [Uncommon]
Stillingia linearifolia - [Uncommon]
Lupinus hirsutissimus (stinging lupine) - [Uncommon]
Lupinus latifolius var. latifolius (broad-leaved lupine) - FABACEAE [Uncommon]
Acacia longifolia (golden wattle, Sydney golden) * -
Lupinus latifolius var. parishii (broadleaf lupine) - [Unknown] [Unknown]
Lupinus longifolius (bush lupine) - [Common]
Amorpha californica var. californica (false indigo) -
Lupinus microcarpus var. microcarpus (valley lupine) - [Rare] [Uncommon]
Lupinus nanus (sky lupine) - [Rare]
Astragalus brauntonii (Braunton's rattle-weed) - [Rare]
Lupinus sparsiflorus (Coulter's lupine) - [Uncommon]
Astragalus didymocarpus var. didymocarpus (common dwarf
Lupinus succulentus (arroyo lupine, foothill lupine) - locoweed) - [Uncommon] [Uncommon]
Astragalus gambelianus (Gambel's dwarf locoweed) -
Lupinus truncatus (collar lupine) - [Uncommon] [Uncommon]
Medicago lupulina (black medic) * - [Uncommon]
Astragalus pycnostachyus var. lanosissimus (Ventura marsh
Medicago polymorpha (bur-clover) * - [Common] milkvetch) - [Rare]
Medicago sativa (alfalfa) * - [Uncommon]
Astragalus tener var. titi (slender rattle-weed) - [Unknown]
Melilotus alba (white sweetclover) * - [Common]
Astragalus trichopodus var. lonchus (southern California
Melilotus indica (sourclover) * - [Common] locoweed) - [Common]
Melilotus officinalis (yellow sweet-clover) * - [Unknown]
Astragalus trichopodus var. phoxus (Santa Barbara
Pickeringia montana var. montana (chaparral-pea) - locoweed) - [Common] [Uncommon]
Astragalus trichopodus var. trichopodus (Santa Barbara
Robinia pseudoacacia (black locust) * - [Unknown] milkvetch) - [Unknown]
Rupertia physodes (California-tea) - [Uncommon]
Caesalpinia gilliesii (bird-of-paradise) * - [Unknown]
Spartium junceum (Spanish-broom) * - [Common]
Ceratonia siliqua * - [Unknown]
Trifolium albopurpureum (rancheria clover) - [Rare]
Cercis occidentalis (western redbud) - [Unknown]
Trifolium ciliolatum (tree clover) - [Uncommon]
Dipogon lignosus * - [Rare]
Trifolium depauperatum (pale sack clover) - [Uncommon]
Genista monspessulana * - [Uncommon]
Trifolium fucatum (sour clover) - [Uncommon]
Glycyrrhiza lepidota (licorice) - [Rare]
Trifolium gracilentum var. gracilentum (pin-point clover) - [Uncommon] FABACEAE
Trifolium hirtum (rose clover) * - [Unknown]
Hoita macrostachya (leather root) - [Uncommon]
Trifolium incarnatum (crimson clover) * - [Uncommon]
Lathyrus latifolius (perennial sweetpea) * - [Uncommon]
Trifolium microcephalum (small-headed clover) -
Lathyrus odoratus (sweetpea) * - [Unknown] [Uncommon]
Lathyrus vestitus var. vestitus (wild sweet pea) - [Common]
Trifolium obtusiflorum (creek clover) - [Uncommon]
Lotus argophyllus var. argophyllus (silver lotus) -
Trifolium pratense (red clover) * - [Unknown] [Uncommon]
Trifolium repens (white clover) * - [Common]
Lotus corniculatus (birdfoot trefoil) * - [Uncommon]
Trifolium variegatum (white-tipped clover) - [Uncommon]
Lotus grandiflorus (large-flowered lotus) - [Uncommon]
Trifolium willdenovii (tomcat clover) - [Uncommon]
Lotus hamatus (San Diego lotus) - [Rare]
Vicia americana var. americana (American vetch) -
Lotus micranthus (small-flowered lotus) - [Uncommon] [Common]
Lotus oblongifolius var. oblongifolius (narrow-leaved lotus) -
Vicia benghalensis (purple vetch) - [Unknown] [Uncommon]
Vicia hassei (slim vetch) - [Rare]
Lotus purshianus (Spanish clover) - [Common]
Vicia ludoviciana (slender vetch) - [Unknown]
Lotus purshianus var. purshianus (Spanish clover) -
Vicia sativa (spring vetch) * - [Uncommon] [Common]
Vicia sativa spp. nigra (narrow-leaved vetch) - [Unknown]
Lotus salsuginosus var. salsuginosus (coastal lotus) -
Vicia sativa ssp. sativa (garden vetch) * - [Unknown] [Uncommon]
Vicia villosa ssp. varia (purple vetch) * - [Uncommon]
Lotus scoparius var. scoparius (deerweed) - [Common]
Vicia villosa ssp. villosa (winter vetch) * - [Rare]
Lotus strigosus (strigose lotus) - [Uncommon]
Lotus wrangelianus (Chile lotus) - [Uncommon] FAGACEAE
Lupinus bicolor (dove lupine) - [Common]
Quercus agrifolia var. agrifolia (coast live oak) - [Common]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 7 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

FAGACEAE HYDROPHYLLACEAE
Quercus berberidifolia (scrub oak) - [Common]
Nemophila pedunculata (meadow nemophila) - [Uncommon]
Quercus chrysolepis - [Unknown]
Phacelia brachyloba (yellow-throated phacelia) -
Quercus douglasii (blue oak) - [Unknown] [Uncommon]
Quercus lobata (valley oak) - [Common]
Phacelia cicutaria var. hispida (catepillar phacelia) -
Quercus wislizeni var. frutescens (interior live oak) - [Rare] [Common]
Phacelia cicutaria var. hubbyi - [Unknown] FRANKENIACEAE
Phacelia distans (fern-leaf phacelia) - [Common]
Frankenia salina (alkali heath) - [Uncommon]
Phacelia douglasii (Douglas' phacelia) - [Uncommon]
Phacelia egena (California phacelia) - [Unknown] GARRYACEAE
Phacelia grandiflora (large-flowered phacelia) - [Common]
Garrya veatchii (silk-tassel bush) - [Uncommon]
Phacelia imbricata ssp. imbricata (mountain phacelia) -

GENTIANACEAE [Uncommon]
Centaurium exaltatum (Great Basin centaury) - [Unknown]
Phacelia longipes (long-stalked phacelia) - [Rare]
Centaurium venustum (canchalagua) - [Uncommon]
Phacelia minor (California bells) - [Uncommon]
Phacelia parryi (Parry's phacelia) - [Uncommon] GERANIACEAE
Phacelia ramosissima - [Uncommon]
Erodium botrys (long-beaked filaree) * - [Common]
Phacelia ramosissima var. austrolitoralis (branching
Erodium brachycarpum (filaree) * - [Uncommon] phacelia) - [Uncommon]
Erodium cicutarium (red-stem filaree) * - [Common]
Phacelia ramosissima var. latifolia (branching phacelia) -
Erodium macrophyllum (white-flowered filaree) * - [Rare] [Uncommon]
Erodium moschatum (white-stemmed filaree) * -
Phacelia tanacetifolia (fern-leaf phacelia) - [Common] [Uncommon]
Phacelia viscida (sticky phacelia) - [Uncommon]
Geranium carolinianum (Carolina geranium) - [Common]
Pholistoma auritum var. auritum (fiesta flower) - [Common]
Geranium dissectum * - [Unknown]
Pholistoma racemosum (white flower fiesta) - [Rare]
Geranium molle (dove's foot geranium) * - [Uncommon]
Wigandia urens * - [Unknown]
Geranium rotundifolium (round-leaved cranesbill) * - [Uncommon] HYPERICACEAE
Hypericum concinnum - [Unknown] GROSSULARIACEAE
Ribes aureum var. gracillimum (golden currant) - JUGLANDACEAE [Uncommon]
Juglans californica var. californica (walnut) - [Common]
Ribes californicum var. hesperium (hillside gooseberry) - [Common] LAMIACEAE
Lamium amplexicaule (henbit) * - [Uncommon]
Ribes indecorum (white chaparral current) - [Common]
Lepechinia fragrans (pitcher sage) - [Uncommon]
Ribes malvaceum * - [Unknown]
Marrubium vulgare (horehound) * - [Common]
Ribes malvaceum var. malvaceum - [Unknown]
Mentha arvensis (tule mint) - [Uncommon]
Ribes malvaceum var. viridifolium (chaparral currant) -
Mentha piperita * - [Unknown] [Common]
Mentha pulegium (pennyroyal) * - [Uncommon]
Ribes speciosum (fuschsia-flowered gooseberry) -
Mentha spicata (spearmint) * - [Uncommon] [Common]
Monardella hypoleuca ssp. hypoleuca (monardella) -

HYDROPHYLLACEAE [Uncommon]
Emmenanthe penduliflora (whispering bells) - [Unknown]
Monardella lanceolata (mustang mint) - [Uncommon]
Emmenanthe penduliflora var. penduliflora (whispering bells)
Prunella vulgaris - [Unknown] - [Uncommon]
Salvia apiana (white sage) - [Common]
Eriodictyon crassifolium var. crassifolium (yerba santa) -
Salvia columbariae (chia) - [Common] [Uncommon]
Salvia leucophylla (purple sage) - [Common]
Eriodictyon crassifolium var. nigrescens - [Unknown]
Salvia mellifera (black sage) - [Common]
Eriodictyon trichocalyx var. trichocalyx - [Unknown]
Salvia spathacea (pitcher sage) - [Common]
Eucrypta chrysanthemifolia - [Unknown]
Satureja douglasii (yerba buena) - [Uncommon]
Eucrypta chrysanthemifolia var. chrysanthemifolia (eucrypta)
Scutellaria siphocampyloides - [Uncommon] - [Common]
Scutellaria tuberosa (skullcap) - [Uncommon]
Nama stenocarpum (mud nama) - [Rare]
Stachys ajugoides var. rigida (rigid hedge nettle) -
Nemophila menziesii (baby blue-eyes) - [Uncommon] [Uncommon]
Nemophila menziesii var. integrifolia - [Unknown]
Stachys albens (white hedge nettle) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 8 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

LAMIACEAE NYCTAGINACEAE
Stachys bullata (hedge nettle) - [Common]
Mirabilis californica (four o'clock) - [Common]
Trichostema lanatum (woolly blue-curls) - [Uncommon]
Trichostema lanceolatum (vinegar weed) - [Uncommon] NYMPHAEACEAE
Nuphar lutea ssp. polysepala (wokas, yellow pond-lily) * - LAURACEAE [Uncommon]
Umbellularia californica var. californica (California bay) - [Common] OLEACEAE
Fraxinus dipetala (chaparral flowering ash) - [Uncommon] LENNOACEAE
Fraxinus uhdei (shamel ash) * - [Uncommon]
Pholisma arenarium - [Uncommon]
Fraxinus velutina (Arizona ash) - [Uncommon]

LINACEAE ONAGRACEAE
Hesperolinon micranthum (small-flowered dwarf-flax) -
Camissonia bistorta (sun-cup) - [Uncommon] [Uncommon]
Camissonia boothii ssp. decorticans (shredding primrose) -
Linum grandiflorum (flowering flax) * - [Unknown] [Rare]
Camissonia californica (mustard evening primrose) - LOASACEAE [Uncommon]
Mentzelia micrantha (blazing star, stick-leaf) - [Uncommon]
Camissonia cheiranthifolia ssp. suffruticosa (beach evening primrose) - [Uncommon] LYTHRACEAE
Camissonia hirtella - [Common]
Ammannia coccinea (long-leaved ammania) - [Uncommon]
Camissonia ignota - [Rare]
Lythrum californicum (California loosestrife) - [Uncommon]
Camissonia intermedia - [Common]
Lythrum hyssopifolium - [Uncommon]
Camissonia lewisii (Lewis' evening primrose) - [Rare]
Rotala ramosior - [Unknown]
Camissonia micrantha (small evening primrose) - [Rare]

MALVACEAE Camissonia strigulosa (contorted evening primrose) -
Lavatera arborea * - [Rare] [Uncommon]
Lavatera assurgentiflora (tree-mallow) * - [Uncommon]
Clarkia bottae (farewell-to-spring) - [Common]
Lavatera cretica - [Unknown]
Clarkia cylindrica (speckled clarkia) - [Uncommon]
Malacothamnus fasciculatus (bush mallow) - [Common]
Clarkia cylindrica ssp. cylindrica - [Unknown]
Malva nicaeensis (bull mallow) * - [Uncommon]
Clarkia epilobioides (willow-herb clarkia) - [Uncommon]
Clarkia purpurea ssp. quadrivulnera (purple clarkia) - MALVACEAE [Uncommon]
Malva parviflora (cheeseweed) * - [Common]
Clarkia unguiculata (elegant clarkia) - [Common]
Malvella leprosa (alkali-mallow) - [Uncommon]
Epilobium brachycarpum (field willow-herb) - [Rare]
Modiola caroliniana (bristly mallow) * - [Uncommon]
Epilobium canum - [Unknown]
Sidalcea malviflora ssp. malviflora (checkerbloom) -
Epilobium canum ssp. angustifolium - [Unknown] [Uncommon]
Epilobium canum ssp. canum (California fuschia) -
Sidalcea malviflora ssp. sparsifolia (checker bloom) - [Common] [Uncommon]
Epilobium ciliatum ssp. ciliatum (willow-herb) - [Uncommon]
Epilobium pygmaeum (smooth boisduvalia) - [Uncommon] MARTYNIACEAE
Gaura coccinea (linda tarde, wild honeysuckle) - [Unknown]
Proboscidea louisianica (unicorn-plant) * - [Rare]
Gaura sinuata (wavy-leaved gaura) - [Unknown]
Ludwigia palustris - [Unknown] MYOPORACEAE
Ludwigia peploides ssp. peploides (yellow water-weed) -
Myoporum laetum * - [Unknown] [Uncommon]

MYRICACEAE Oenothera biennis (common evening primrose) * -
Myrica californica (California wax-myrtle) - [Rare] [Unknown]
Oenothera californica ssp. californica (California evening MYRTACEAE primrose) - [Rare]
Eucalyptus camaldulensis (river red gum) * - [Unknown]
Oenothera elata ssp. hirsutissima (Hooker's evening
Eucalyptus globulus (blue gum) * - [Uncommon] primrose) - [Rare]
Oenothera speciosa (pinkladies) * - [Unknown] NYCTAGINACEAE
Abronia maritima (red sand verbena) - [Uncommon] OROBANCHACEAE
Abronia umbellata ssp. umbellata (pink sand verbena) -
Orobanche bulbosa (chaparral broomrape) - [Rare] [Uncommon]
Orobanche californica - [Unknown]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 9 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

OROBANCHACEAE POLEMONIACEAE
Orobanche californica ssp. grandis - [Rare]
Leptodactylon californicum (prickly phlox) - [Common]
Orobanche fasciculata (clustered broomrape) - [Rare]
Leptodactylon californicum ssp. californicum (California
Orobanche uniflora (naked broomrape) - [Rare] prickly phlox) - [Common]
Orobanche vallicola - [Rare]
Leptodactylon californicum ssp. glandulosum (California prickly phlox) - [Unknown] OXALIDACEAE
Linanthus dianthiflorus (ground-pink) - [Uncommon]
Oxalis albicans ssp. californica (oxalis) - [Common]
Linanthus liniflorus (flax-flowered linanthus) - [Uncommon]
Oxalis corniculata (weedy oxalis) * - [Uncommon]
Linanthus parviflorus (linanthus) - [Uncommon]
Oxalis pes-caprae (Bermuda buttercup) * - [Common]
Linanthus pygmaeus ssp. continentalis - [Unknown]
Oxalis rubra (rose oxalis) * - [Uncommon]
Navarretia atractyloides - [Unknown]
Navarretia hamata (hooked navarretia) - [Uncommon] PAEONIACEAE
Navarretia mellita - [Uncommon]
Paeonia californica (peony) - [Common]
Navarretia pubescens (downy navarretia) - [Uncommon]
PAPAVERACEAE Phlox gracilis (slender phlox) - [Uncommon]
Argemone munita (prickly poppy) - [Unknown]
Phlox gracilis ssp. gracilis (slender phlox) - [Rare]
Dendromecon rigida (tree poppy) - [Common] POLYGALACEAE
Dicentra ochroleuca (bleeding heart) - [Uncommon]
Polygala cornuta (milkwort) - [Uncommon]
Eschscholzia caespitosa (collarless California poppy) -
Polygala cornuta var. fishiae (milkwort) - [Unknown] [Uncommon]

Eschscholzia californica (California poppy) - [Common] POLYGONACEAE
Meconella denticulata (small-flowered meconella) -
Chorizanthe parryi var. fernandina (San Fernando Valley [Uncommon] spineflower) - [Rare]
Papaver californicum (fire poppy) - [Uncommon]
Chorizanthe parryi var. parryi (Parry's spineflower) - [Rare]
Platystemon californicus (cream cups) - [Uncommon]
Chorizanthe staticoides (turkish rugging) - [Uncommon]
Romneya coulteri (matilija poppy) * - [Uncommon]
Chorizanthe wheeleri (Wheeler's spineflower) - [Uncommon]
Romneya trichocalyx (hairy Matilija poppy) - [Unknown]
Emex spinosa (devil's thorn) * - [Uncommon]
Stylomecon heterophylla (wind poppy) - [Uncommon]
Eriogonum angulosum - [Unknown]

PLANTAGINACEAE POLYGONACEAE
Plantago coronopus (buckhorn plantain) * - [Unknown]
Eriogonum cinereum (ashyleaf buckwheat) - [Common]
Plantago erecta (California plantain) - [Uncommon]
Eriogonum cithariforme (cithara buckwheat) - [Uncommon]
Plantago lanceolata (english plantain, ribwort) * -
Eriogonum crocatum (Conejo Buckwheat) - [Rare] [Uncommon]
Eriogonum elongatum var. elongatum (wand buckwheat) -
Plantago major (common plantain) * - [Common] [Common]
Eriogonum fasciculatum var. fasciculatum (California PLATANACEAE buckwheat) - [Abundant]
Platanus racemosa (plane tree, sycamore) - [Common]
Eriogonum fasciculatum var. foliolosum (California

PLUMBAGINACEAE buckwheat) - [Uncommon]
Limonium californicum (western marsh-rosemary) -
Eriogonum gracile var. gracile (slender buckwheat) - [Rare] [Uncommon]
Eriogonum parvifolium (sea-cliff buckwheat) - [Uncommon]
Limonium perezii (marsh-rosemary) * - [Uncommon]
Eriogonum roseum - [Unknown]
Eriogonum wrightii var. membranaceum (Wright's POLEMONIACEAE buckwheat) - [Uncommon]
Allophyllum divaricatum (purple false gilyflower) - [Unknown]
Lastarriaea coriacea (spine-flower) - [Rare]
Allophyllum glutinosum (stinky gilia) - [Uncommon]
Mucronea californica (California chorizanthe) - [Uncommon]
Eriastrum densifolium ssp. elongatum (perennial wool star) -
Polygonum amphibium var. emersum (water smartweed) - [Rare] [Uncommon]
Eriastrum filifolium - [Uncommon]
Polygonum arenastrum (knotweed) * - [Uncommon]
Eriastrum sapphirinum (sapphire wool star) - [Uncommon]
Polygonum argyrocoleon (Persian knotweed) * - [Rare]
Gilia angelensis (angel's gilia) - [Common]
Polygonum hydropiperoides (waterpepper) - [Uncommon]
Gilia australis (splendid gilia) - [Unknown]
Polygonum lapathifolium (willow-weed) - [Uncommon]
Gilia capitata ssp. abrotanifolia (globe gilia) - [Uncommon]
Polygonum patulum (Bellard's smartweed) * - [Unknown]
Gilia clivorum (purplespot gilia) - [Common]
Polygonum punctatum (water smartweed) - [Uncommon]
Gilia splendens (splendid gilia) - [Rare]
Pterostegia drymarioides (thread stem) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 10 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

POLYGONACEAE RESEDACEAE
Rumex acetosella (sheep sorrel) * - [Rare]
Oligomeris linifolia (oligomeris) * - [Rare]
Rumex conglomeratus * - [Common]
Rumex crispus (curly dock) * - [Common] RHAMNACEAE
Rumex kerneri * - [Uncommon]
Ceanothus crassifolius (hoary-leaved ceanothus) -
Rumex maritimus (golden dock) * - [Rare] [Common]
Rumex salicifolius (willow dock) - [Common]
Ceanothus cuneatus var. cuneatus (buck brush) -
Rumex salicifolius var. crassus (willow dock) - [Uncommon] [Uncommon]
Rumex salicifolius var. salicifolius (willow dock) - [Common]
Ceanothus leucodermis (white thorn) - [Rare]
Rumex violascens (violet dock) - [Unknown]
Ceanothus megacarpus var. megacarpus (big-pod ceanothus) - [Common] PORTULACEAE
Ceanothus oliganthus (hairy-leaved ceanothus) -
Calandrinia breweri (Brewer's red maids) - [Uncommon] [Uncommon]
Calandrinia ciliata (red maids) - [Uncommon]
Ceanothus oliganthus ssp. oliganthus (explorer's bush) -
Calandrinia maritima (seaside red maids) - [Rare] [Unknown]
Calyptridium monardrum (sand cress) - [Uncommon]
Ceanothus oliganthus var. sorediatus (hairy-leafed
Claytonia exigua ssp. exigua (serpentine springbeauty) - ceanothus) - [Uncommon] [Unknown]
Ceanothus spinosus (greenbark ceanothus, red-heart) -
Claytonia perfoliata (miner's lettuce) - [Common] [Common]
Claytonia perfoliata ssp. mexicana (miner's lettuce) -
Ceanothus tomentosus var. olivaceus - [Unknown] [Common]
Rhamnus californica ssp. californica (California coffeeberry)
Claytonia perfoliata ssp. perfoliata (miner's lettuce) - - [Uncommon] [Common]
Rhamnus crocea (buckthorn) - [Uncommon]
Lewisia rediviva (bitterroot) - [Uncommon]
Rhamnus ilicifolia (hollyleaf redberry) - [Common]
Portulaca oleracea (purslane) * - [Common]
Rhamnus tomentella ssp. tomentella (hoary coffeeberry) - [Unknown] PRIMULACEAE
Anagallis arvensis (scarlet pimpernel) * - [Uncommon] ROSACEAE
Dodecatheon clevelandii (shooting star) - [Uncommon]
Adenostoma fasciculatum (chamise, greasewood) -
Dodecatheon clevelandii ssp. clevelandii (shooting star) - [Abundant] [Uncommon]
Adenostoma sparsifolium (redshank) - [Uncommon]
Dodecatheon clevelandii ssp. sanctarum (shooting star) -
Aphanes occidentalis (lady's mantle) - [Uncommon] [Uncommon]
Cercocarpus betuloides var. betuloides - [Common]
Samolus parviflorus (water pimpernel) - [Uncommon]
Cercocarpus betuloides var. blancheae (mountain mahogany) - [Rare] RANUNCULACEAE
Chamaebatia australis (southern mountain misery) - [Rare]
Clematis lasiantha (virgin's blower) - [Common]
Heteromeles arbutifolia (California christmas berry, toyon) -
Clematis ligusticifolia (western virgin's blower) - [Uncommon] [Common]
Delphinium cardinale (scarlett larkspur) - [Common]
Holodiscus discolor (ocean spray) - [Rare]
Delphinium parryi - [Common]
Horkelia cuneata ssp. cuneata - [Rare]
Delphinium parryi ssp. blochmaniae (Blochman's larkspur) -
Potentilla anserina ssp. pacifica (silverweed) - [Rare] [Rare]
Potentilla glandulosa ssp. glandulosa (sticky cinquefoil) -
Delphinium parryi ssp. maritimum - [Unknown] [Uncommon]
Delphinium parryi ssp. parryi (blue larkspur) - [Uncommon]
Prunus caroliniana * - [Unknown]
Delphinium patens ssp. hepaticoideum (blue larkspur) -
Prunus ilicifolia ssp. ilicifolia (holly-leaved cherry) - [Common] [Common]
Ranunculus aquatilis - [Unknown]
Pyracantha angustifolia (firethorn) * - [Uncommon]
Ranunculus californicus (California buttercup) - [Uncommon]
Rosa californica (California rose) - [Uncommon]
Ranunculus cymbalaria var. saximontanus (desert buttercup)
Rubus discolor (Himalaya berry) * - [Uncommon] - [Rare]
Rubus ursinus (California blackberry) - [Uncommon]
Ranunculus hebecarpus (hairy-fruited buttercup) -
Sanguisorba minor (burnet) * - [Rare] [Uncommon]
Sanguisorba minor ssp. muricata (burnet) * - [Rare]
Ranunculus repens (creeping buttercup) * - [Uncommon]
Thalictrum fendleri var. polycarpum (meadow rue) - RUBIACEAE [Uncommon]
Galium andrewsii ssp. intermedium (phlox-leaved bedstraw) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 11 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

RUBIACEAE SCROPHULARIACEAE
Galium angustifolium (narrow-leaf bedstraw) - [Common]
Cordylanthus maritimus ssp. maritimus (salt-marsh bird's
Galium angustifolium ssp. angustifolium (narrow-leaved beak) - [Uncommon] bedstraw) - [Common]
Cordylanthus mollis ssp. hispidus (hispid bird's-beak) * -
Galium angustifolium ssp. foliosum (narrow-leaved [Rare] bedstraw) - [Uncommon]
Cordylanthus rigidus ssp. setigerus (bird's beak) -
Galium aparine (annual bedstraw) - [Common] [Uncommon]
Galium californicum ssp. flaccidum (California bedstraw) -
Diplacus aurantiacus ssp. aurantiacus - [Unknown] [Unknown]
Galvezia speciosa (showy island snapdragon) - [Uncommon]
Galium cliftonsmithii (shrubby bedstraw) - [Uncommon]
Keckiella cordifolia (heart-leaved penstemon) - [Common]
Galium nuttallii ssp. nuttallii (climbing bedstraw) - [Common]
Kickxia elatine (fluellin) * - [Unknown]
Galium parisiense (wall bedstraw) - [Unknown]
Linaria canadensis (blue toadflax) - [Uncommon]
Sherardia arvensis (field madder) * - [Uncommon]
Linaria pinifolia (garden toadflax) * - [Rare]
Mimulus androsaceus - [Unknown] RUTACEAE
Mimulus aurantiacus - [Common]
Ruta chalepensis (rue) * - [Rare]
Mimulus bigelovii (Bigelow's monkeyflower) * - [Unknown]
Mimulus brevipes (yellow monkey flower) - [Uncommon] SALICACEAE
Mimulus cardinalis (scarlet monkey flower) - [Uncommon]
Populus balsamifera ssp. trichocarpa (black cottonwood) -
Mimulus floribundus (slimy monkey flower) - [Rare] [Uncommon]
Mimulus guttatus (creek monkey flower) - [Uncommon]
Populus fremontii ssp. fremontii (fremont cottonwood) -
Mimulus pilosus (downy monkey flower) - [Rare] [Uncommon]
Pedicularis densiflora (indian warrior) - [Uncommon]
Populus nigra (Lombardy poplar) * - [Unknown]
Penstemon centranthifolius (scarlett buglar) - [Uncommon]
Salix exigua var. hindsiana (sandbar willow) - [Uncommon]

Salix gooddingii (Goodding's black willow) - [Unknown] SCROPHULARIACEAE
Salix laevigata (red willow) - [Common]
Penstemon heterophyllus var. australis (foothill penstemon) -
Salix lasiolepis (arroyo willow) - [Common] [Uncommon]
Salix lucida ssp. lasiandra (shining willow) - [Rare]
Penstemon spectabilis var. subviscosus (notable penstemon, snowy penstemon) - [Uncommon] SAURURACEAE
Penstemon X parishii (hybrid scarlet buglar) - [Uncommon]
Anemopsis californica (yerba mansa) - [Uncommon]
Scrophularia californica ssp. californica (figwort) -

SAXIFRAGACEAE [Uncommon]
Boykinia occidentalis (coast boykinia) - [Uncommon]
Scrophularia californica ssp. floribunda (California figwort) * -
Boykinia rotundifolia (round-leaved boykinia) - [Uncommon] [Unknown]
Lithophragma affine (woodland star) - [Common]
Verbascum thapsus (wooly mullein) * - [Uncommon]
Lithophragma heterophyllum (hillside woodland-star) -
Verbascum virgatum (moth mullein) * - [Common] [Unknown]
Veronica anagallis-aquatica (speedwell) * - [Uncommon]
Saxifraga californica (saxifrage) - [Uncommon]
Veronica persica (Persian speedwell) * - [Uncommon]

SCROPHULARIACEAE SIMAROUBACEAE
Antirrhinum coulterianum - [Uncommon]
Ailanthus altissima (tree-of-heaven) * - [Uncommon]
Antirrhinum kelloggii (twining snapdragon) - [Uncommon]
Antirrhinum multiflorum (bush snapdragon) - [Uncommon] SOLANACEAE
Datura stramonium (jimson-weed) * - [Uncommon]
Antirrhinum nuttallianum (violet snapdragon) - [Uncommon]
Datura wrightii (datura, rolguacha) - [Common]
Antirrhinum nuttallianum ssp. subsessile - [Unknown]
Lycium californicum (California desert-thorn, Califronia
Castilleja affinis ssp. affinis (coast paintbrush) - [Common] boxthorn) - [Rare]
Castilleja applegatei ssp. martinii (indian paintbrush) -
Lycopersicon esculentum (tomato) * - [Uncommon] [Uncommon]
Nicotiana clevelandii * - [Unknown]
Castilleja densiflora ssp. densiflora (owl's clover) - [Rare]
Nicotiana glauca (tree tobacco) * - [Common]
Castilleja exserta ssp. exserta (purple's owl clover) -
Nicotiana quadrivalvis (Indian tobacco) - [Rare] [Uncommon]
Petunia parviflora (wild petunia) - [Uncommon]
Castilleja foliolosa (woolly paintbrush) - [Uncommon]
Salpichroa origanifolia (lily-of-the-valley vine) * -
Castilleja minor ssp. spiralis (annual paintbrush, California [Uncommon] threadtorch) - [Uncommon]
Solanum americanum (little white nightshade) - [Uncommon]
Collinsia heterophylla (Chinese houses) - [Uncommon]
Solanum aviculare (New Zealand nightshade) * - [Unknown]
Collinsia parryi (blue-eyed mary) - [Rare]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 12 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

SOLANACEAE VITACEAE
Solanum douglasii (white nightshade) - [Common]
Parthenocissus inserta (Virginia creeper) * - [Uncommon]
Solanum elaeagnifolium (silverleaf-nettle) * - [Uncommon]
Vitis girdiana (grape) - [Uncommon]
Solanum rostratum (buffalo-bur) * - [Uncommon]
Solanum sarrachoides (hairy nightshade) * - [Uncommon] ZYGOPHYLLACEAE
Solanum umbelliferum (bluewitch nightshade) - [Unknown]
Tribulus terrestris (puncture vine) * - [Uncommon]
Solanum xanti (purple nightshade) - [Common] AGAVACEAE
STERCULIACEAE Hesperoyucca whipplei (our Lord's candle) - [Abundant]
Fremontodendron californicum (flannelbush) - [Uncommon]
Nolina cismontana - [Unknown]

TAMARICACEAE ALISMATACEAE
Tamarix gallica (tamarisk) * - [Unknown]
Alisma plantago-aquatica (water-plantain) - [Uncommon]
Tamarix parviflora (small-flower tamarisk) * - [Common]
Echinodorus berteroi (bur head) - [Uncommon]
Tamarix ramosissima (tamarisk) * - [Uncommon] ARECACEAE
TROPAEOLACEAE Phoenix canariensis (Canary Island date palm) * -
Tropaeolum majus (garden nasturtium) * - [Uncommon] [Unknown]
Washingtonia filifera (California fan palm) * - [Unknown] URTICACEAE
Washingtonia robusta (Washington fan palm) * - [Unknown]
Hesperocnide tenella (annual stinging nettle) - [Uncommon]
Parietaria hespera var. californica (California pellitory) - CYPERACEAE [Uncommon]
Carex barbarae - [Uncommon]
Carex globosa - [Rare] URTICACEAE
Carex multicostata (manyrib sedge) - [Unknown]
Parietaria hespera var. hespera (pellitory) - [Uncommon]
Carex praegracilis - [Uncommon]
Soleirolia soleirolii (baby-tears) * - [Uncommon]
Carex senta - [Common]
Urtica dioica ssp. holosericea (stinging nettle) - [Uncommon]
Carex spissa - [Uncommon]
Urtica urens (dwarf nettle) * - [Common]
Carex triquetra - [Common]
Cyperus acuminatus - [Unknown] VALERIANACEAE
Cyperus eragrostis - [Uncommon]
Centranthus ruber (red valerian) * - [Uncommon]
Cyperus erythrorhizos - [Uncommon]
Plectritis ciliosa ssp. insignis (long-spurred plectritic) -
Cyperus esculentus (yellow nut-grass) - [Rare] [Uncommon]
Cyperus involucratus (umbrella plant) * - [Uncommon]
Cyperus niger - [Uncommon] VERBENACEAE
Cyperus odoratus - [Uncommon]
Phyla lanceolata (frog fruit) - [Uncommon]
Cyperus rotundus (purple nut-grass) * - [Rare]
Phyla nodiflora var. incisa - [Unknown]
Eleocharis macrostachya - [Uncommon]
Phyla nodiflora var. nodiflora - [Unknown]
Eleocharis montevidensis - [Uncommon]
Phyla nodiflora var. rosea (garden lipia) * - [Uncommon]
Eleocharis parishii - [Uncommon]
Verbena bracteata - [Unknown]
Eleocharis radicans - [Uncommon]
Verbena lasiostachys (common vervain) - [Unknown]
Eleocharis rostellata - [Unknown]
Verbena lasiostachys var. lasiostachys (common vervain) -
Scirpus acutus var. occidentalis (common tule) - [Rare] [Uncommon]
Scirpus americanus - [Uncommon]
Verbena lasiostachys var. scabrida (robust vervain) -
Scirpus californicus - [Uncommon] [Uncommon]
Scirpus cernuus - [Uncommon]
Verbena menthifolia (mint vervain) - [Unknown]
Scirpus maritimus - [Uncommon]
Verbena scabra (sandpaper vervain) - [Unknown]
Scirpus microcarpus - [Rare]
Verbena tenuisecta * - [Unknown]
Scirpus pungens (common threesquare) - [Unknown]

VIOLACEAE Scirpus robustus - [Unknown]
Viola pedunculata (johnny jump-up, wild pansy) - HYACINTHACEAE [Uncommon]
Chlorogalum parviflorum (smallflower soap plant) -

VISCACEAE [Unknown]
Phoradendron macrophyllum (sycamore mistletoe) -
Chlorogalum pomeridianum var. pomeridianum (soap plant) [Uncommon] - [Common]
Phoradendron villosum (oak mistletoe) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 13 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

HYDROCHARITACEAE LILIACEAE
Najas flexilis (water-nymph) - [Uncommon]
Calochortus venustus (butterfly mariposa lily) - [Uncommon]
Najas guadalupensis - [Unknown]
Calochortus weedii var. vestus (Weed's mariposa lily) - [Unknown] IRIDACEAE
Dichelostemma capitatum ssp. capitatum (blue dicks) -
Iris pseudacorus - [Uncommon] [Common]
Sisyrinchium bellum (blue-eyed grass) - [Common]
Fritillaria biflora (chocolate lily, mission bells) - [Uncommon]
Lilium humboldtii ssp. ocellatum (Humboldt's lily) - JUNCACEAE [Uncommon]
Juncus acutus ssp. leopoldii - [Common]
Muilla maritima (sea muilla) - [Uncommon]
Juncus balticus - [Uncommon]

Juncus bufonius (toad rush) - [Unknown] MELANTHIACEAE
Juncus bufonius var. bufonius (toad rush) - [Uncommon]
Zigadenus fremontii (star lily) - [Uncommon]
Juncus bufonius var. congestus (toad rush) - [Unknown]
Juncus effusus var. pacificus - [Unknown] ORCHIDACEAE
Juncus macrophyllus - [Common]
Epipactis gigantea (stream orchid) - [Uncommon]
Juncus mexicanus - [Uncommon]
Piperia elegans - [Unknown]
Juncus patens - [Uncommon]
Piperia unalascensis (rein orchid) - [Uncommon]
Juncus phaeocephalus var. paniculatus - [Uncommon]
Juncus phaeocephalus var. phaeocephalus (brownhead POACEAE rush) - [Common]
Achnatherum brachychaetum (barkworth) * - [Unknown]
Juncus rugulosus (wrinkled rush) - [Unknown]
Achnatherum coronatum (crested stipa) - [Uncommon]
Juncus textilis - [Uncommon]
Aegilops cylindrica (jointed goatgrass) * - [Unknown]
Juncus torreyi - [Uncommon]
Agrostis exarata - [Uncommon]
Juncus xiphioides - [Common]
Agrostis gigantea (redtop, water bentgrass) * - [Unknown]
Agrostis pallens - [Uncommon] JUNCAGINACEAE
Agrostis stolonifera (creeping bentgrass) * - [Uncommon]
Triglochin concinna var. concinna (arrow grass) -
Agrostis viridis * - [Common] [Uncommon]
Alopecurus saccatus - [Unknown]
Ammophila arenaria (European beachgrass) * - [Uncommon] LEMNACEAE
Andropogon glomeratus var. scabriglumis (bushy bluestem)
Lemna gibba - [Rare] - [Uncommon]
Lemna minor - [Rare]
Aristida adscensionis (six-week threeawn) - [Uncommon]
Lemna trisulca - [Rare]
Arundo donax (giant reed) * - [Common]
Lemna turionifera - [Unknown]
Avena barbata (slender oat) * - [Common]
Lemna valdiviana - [Uncommon]
Avena fatua (wild oat) * - [Common]
Wolffiella lingulata - [Rare]
Avena sativa (common oat) * - [Uncommon]
Bothriochloa barbinodis (cane bluestem) - [Uncommon] LILIACEAE
Brachypodium distachyon * - [Unknown]
Allium fimbriatum var. fimbriatum - [Unknown]
Briza minor (quakinggrass) * - [Rare]
Allium haematochiton (red-skinned onion) - [Common]
Bromus arizonicus - [Uncommon]
Allium lacunosum (pitted onion) - [Unknown]
Bromus carinatus (California brome) - [Common]
Allium peninsulare var. peninsulare (peninsular onion) -
Bromus carinatus var. carinatus (California brome) - [Uncommon] [Common]
Asphodelus fistulosus - [Unknown]
Bromus carinatus var. maritimus - [Uncommon]
Bloomeria crocea (golden stars) - [Common]
Bromus catharticus (rescue grass) * - [Uncommon]
Brodiaea jolonensis (wild brodiaea) - [Uncommon]
Bromus diandrus (ripgut grass) * - [Common]
Brodiaea terrestris ssp. kernensis - [Uncommon]
Bromus hordeaceus (soft brome, soft chess) * - [Common]
Calochortus albus (fairy lantern, globe-lily) - [Uncommon]
Bromus laevipes (Chinook brome, woodland brome) -
Calochortus catalinae (Santa Catalina mariposa lily) - [Uncommon] [Common]
Bromus madritensis (foxtail chess) * - [Unknown]
Calochortus clavatus (clubhair mariposa lily) - [Uncommon]
Bromus madritensis ssp. madritensis (foxtail chess) * -
Calochortus clavatus var. pallidus (yellow mariposa lily) - [Uncommon] [Uncommon]
Bromus madritensis ssp. rubens (foxtail chess) * - [Common]
Calochortus plummerae (Plummer's mariposa lily) -
Bromus sterilis (poverty brome) * - [Unknown] [Uncommon]
Calochortus splendens (lilac mariposa lily) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 14 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

POACEAE POACEAE
Bromus tectorum (cheat grass, downy brome) * -
Melica frutescens (woody melic) - [Unknown] [Uncommon]
Melica imperfecta (coast range melic) - [Common]
Bromus trinii (Chilean chess) * - [Uncommon]
Monanthochloe littoralis - [Uncommon]
Chloris gayana (Rhodes grass) * - [Uncommon]
Muhlenbergia asperifolia (alkali muhly) - [Unknown]
Chloris virgata (feather fingergrass) * - [Uncommon]
Muhlenbergia microsperma (littleseed muhly) - [Uncommon]
Cortaderia jubata * - [Uncommon]
Muhlenbergia rigens (deergrass) - [Rare]
Cortaderia selloana (pampas grass) * - [Common]
Nassella cernua (nodding needlegrass) - [Uncommon]
Crypsis schoenoides * - [Uncommon]
Nassella lepida (foothill needlegrass) - [Common]
Crypsis vaginiflora (African pricklegrass) * - [Unknown]
Nassella pulchra (purple needlegrass) - [Uncommon]
Cynodon dactylon (Bermuda grass) * - [Common]
Panicum capillare (witchgrass) - [Uncommon]
Dactylis glomerata (orchardgrass) * - [Rare]
Panicum miliaceum (broom-corn millet) * - [Uncommon]
Digitaria ciliaris * - [Uncommon]
Parapholis incurva (sickle grass) * - [Uncommon]
Digitaria ischaemum (smooth crabgrass) * - [Rare]
Paspalum dilatatum (dallis grass) * - [Uncommon]
Digitaria sanguinalis (hairy crab grass) * - [Unknown]
Paspalum distichum (knotgrass) - [Uncommon]
Distichlis spicata (salt grass) - [Common]
Pennisetum clandestinum (kikuyu grass) * - [Uncommon]
Echinochloa colona (bur head) * - [Uncommon]
Pennisetum setaceum (fountain grass) * - [Common]
Echinochloa crus-galli (barnyard grass) * - [Uncommon]
Pennisetum villosum (feathertop) * - [Unknown]
Ehrharta calycina * - [Uncommon]
Phalaris aquatica (harding grass) * - [Uncommon]
Ehrharta erecta * - [Common]
Phalaris canariensis (canary grass) * - [Uncommon]
Elymus glaucus ssp. glaucus (blue wildrye) - [Common]
Phalaris caroliniana (Carolina canarygrass) * - [Unknown]
Elymus multisetus (big squirrel tail) - [Rare]
Phalaris minor (littleseed canarygrass) * - [Uncommon]
Elymus stebbinsii - [Uncommon]
Phalaris paradoxa (hood canarygrass) * - [Rare]
Eragrostis barrelieri * - [Uncommon]
Phleum pratense (cultivated timothy) * - [Common]
Eragrostis cilianensis (stinkgrass) * - [Uncommon]
Phragmites australis (common reed) - [Uncommon]
Eragrostis hypnoides (teal lovegrass) - [Rare]
Piptatherum miliaceum (smilo grass) * - [Common]
Eragrostis mexicana ssp. virescens - [Uncommon]
Poa annua (annual bluegrass) * - [Uncommon]
Festuca arundinacea (tall fescue) * - [Uncommon]
Poa bulbosa (bulbous bluegrass) * - [Unknown]
Festuca elmeri - [Uncommon]
Poa howellii - [Unknown]
Festuca pratensis (meadow fescue) * - [Uncommon]
Poa palustris (fowl bluegrass) - [Rare]
Festuca rubra (red fescue) - [Unknown]
Poa pratensis ssp. pratensis (Kentucky bluegrass) * -
Gastridium phleoides - [Unknown] [Common]
Gastridium ventricosum (nit grass) * - [Rare]
Poa secunda ssp. secunda (malpais bluegrass) - [Common]
Hordeum brachyantherum ssp. californicum - [Uncommon]
Polypogon elongatus * - [Unknown]
Hordeum intercedens (little barley) - [Uncommon]
Polypogon interruptus (ditch beard grass) - [Uncommon]
Hordeum marinum ssp. gussoneanum (Mediterranean
Polypogon monspeliensis (annual beard grass) * - barley) * - [Uncommon] [Common]
Hordeum murinum (bulbous barley) * - [Abundant]
Schismus arabicus (Arabian schismus) - [Unknown]
Hordeum murinum ssp. glaucum (foxtail barley, hare barley)
Schismus barbatus (Mediterranean schismus) * - [Rare] * - [Common]
Setaria adhaerens * - [Unknown]
Hordeum murinum ssp. leporinum (foxtail barley, hare
Setaria gracilis (knotroot bristlegrass) * - [Common] barley) * - [Common]
Setaria pumilla * - [Rare]
Hordeum vulgare (common barley) * - [Common]
Sorghum halepense (Johnson grass) * - [Common]
Koeleria macrantha (junegrass) - [Uncommon]
Sporobolus indicus (smutgrass) * - [Rare]
Lamarckia aurea (goldentop) * - [Occasional]
Stenotaphrum secundatum (St. Augustine grass) * -
Leptochloa fascicularis (bearded sprangletop) - [Uncommon] [Uncommon]
Leptochloa uninervia (Mexican sprangletop) - [Uncommon]
Triticum aestivum (wheat) * - [Uncommon]
Leymus condensatus (giant ryegrass) - [Common]
Vulpia bromoides * - [Unknown]
Leymus triticoides (beardless wildrye) - [Uncommon]
Vulpia microstachys var. ciliata (small fescue) - [Rare]
Lolium multiflorum (Italian ryegrass) * - [Uncommon]
Vulpia microstachys var. confusa - [Unknown]
Lolium perenne (perennial ryegrass) * - [Uncommon]
Vulpia microstachys var. microstachys (small fescue) -
Lolium rigidum ssp. lepturoides (Wimmera ryegrass) * - [Unknown] [Unknown]
Vulpia microstachys var. pauciflora (small fescue) -
Lolium temulentum (darnel) * - [Rare] [Uncommon]
Melica californica (California melicgrass) - [Uncommon]
Vulpia myuros (rat-tail fescue) * - [Uncommon]
Vulpia myuros var. hirsuta * - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 15 Santa Monica Mountains National Recreation Area Vascular Plant Species List (as derived from NPSpecies 18 Dec 2006) FAMILY NAME Scientific Name (Common Name) (* = non-native) - [Abundance]

POACEAE
Vulpia myuros var. myuros (rat-rail fescue) * - [Uncommon]POACEAE
Vulpia octoflora var. hirtella - [Unknown]
Vulpia octoflora var. octoflora (sixweeks fescue) - [Rare]

POTAMOGETONACEAE
Potamogeton crispus (curled-leaf pondweed) * - [Rare]
Potamogeton nodosus (long-leaf pondweed) - [Unknown]
Potamogeton pectinatus (sego pondweed) - [Uncommon]
Ruppia cirrhosa (spiral ditchgrass) - [Unknown]
Ruppia maritima (ditch-grass) - [Uncommon]

TYPHACEAE
Typha angustifolia (narrow-leaved cat-tail) - [Unknown]
Typha domingensis (narrow-leaved cattail) - [Uncommon]
Typha latifolia (broad-leaved cattail) - [Common]

ZANNICHELLIACEAE
Zannichellia palustris (grass-wrack) - [Uncommon]

ZOSTERACEAE
Phyllospadix scouleri - [Uncommon]
Phyllospadix torreyi - [Uncommon]
Zostera marina (eel-grass) - [Uncommon]

CATEGORY DEFINITION Abundance Abundant Large number of individuals; wide ecological amplitude or occurring in habitats covering a large portion of the park. Common Large numbers of individuals predictably occurring in commonly encountered habitats but not those covering a large portion of the park. Uncommon Few to moderate numbers of individuals; occurring either sporadically in commonly encountered habitats or in uncommon habitats. Rare Few individuals, usually restricted to small areas of rare habitat. Unknown Abundance is unknown. 16