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Santa Monica Mountains National Recreation Area Vascular Plant

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Santa Monica Mountains National Recreation Area Vascular Plant 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;
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