GEOG 442

Biogeography

Species Common in the Sepulveda Dam Basin

Shrubs, Subshrubs, Perennials

• Baccharis salicifolia or mulefat
• Baccharis pilularis or coyotebrush
• Rosa californica or California wild rose
• Frangula californica or coffee berry
• Malacothamnus davidsonii or Davidson's bushmallow
• Sambucus nigra ssp.cærulea or blue elderberry
• Vitus californica or California wild grape
• Ribes aureum or golden currant
• Asclepias eriocarpa or woollypod milkweed
• Peritoma arborea or bladderpod
• Salvia apiana or white sage
• Salvia mellifera or black sage
• Salvia leucophylla or purple sage
• Artemisia californica or California sagebrush
• Artemisia douglasiana or California mugwort
• Heteromeles arbutifolia or toyon
• Rhus integrifolia or lemonadeberry
• Rhus ovata or sugarbush
• Malosma laurina or laurel sumac
• Opuntia littoralis or prickly pear
• Rubus ursinus or California blackberry

Trees

• Populus fremontii or Fremont cottonwood
• Populus trichocarpa or black cottonwood
• Juglans californica or Southern California walnut
• Platanus racemosa or Western sycamore
• Acer negundo or box elder
• Salix exigua or narrowleaf (sandbar) willow
• Salix lasiolepis or arroyo willow
• Salix laevigata or red willow
• Quercus agrifolia or coastal live oak
• Quercus lobata or valley oak
• Fraxinus velutina or velvet (Arizona) ash
• Pinus ponderosa or Ponderosa pine

Aquatic Plants

• Lemna minor or duck weed
• Euthamia occidentalis or Western (ditch) goldenrod
• Typha latifolia or broadleaf cattail
• Schoenoplectus acutus or hardstem bulrush or tule
• Persicaria lapathifolia or willow water-weed or knotweed
• Ludwigia peploides or floating water primrose (water smartweed)

Native Forbs

• Verbena lasiostachys or Western verbena
• Heterotheca grandiflora or telegraph weed
• Helianthus annuus or common sunflower
• Galium aparine or common bedstraw
• Erigeron canadensis or horseweed
• Urtica dioica or stinging nettle
• Xanthium strumarium or rough cocklebur
• Amsinckia menziesii or Menzies' fiddleneck
• Amsinckia intermedia or common fiddleneck

Exotic Species Overview

• Common weeds and exotic plants
• The "dirty dozen" weeds

Annual Exotic Forbs and Grasses

• Erodium cicutarium or coastal heron's bill (invasive)
• Erodium botrys or big heron's bill
• Capsella bursa- pastoris or shepherd's purse
• Brassica nigra or black mustard (invasive)
• Hirschfeldia incana or shortpod mustard (invasive)
• Raphanus sativus or wild radish (invasive)
• Sisymbrium irio or London rocket
• Sisymbrium orientale or Indian hedge mustard
• Cirsium vulgare or bull thistle (invasive)
• Sonchus oleraceus or common sow thistle
• Taraxacum officinale or common dandelion
• Hedypnois cretica or Crete weed (dandelion)
• Silybum marianum or milk thistle
• Centaurea melitensis or tocalote (tocalote)
• Centaurea solstitialis or yellow star thistle (invasive)
• Lactuca serriola or prickly lettuce
• Melilotus albus or white sweetclover
• Medicago lupulina or black medic or black clover
• Malva parviflora or cheeseweed
• Bromus diandrus or ripgut brome (invasive)
• Bromus madritensis or foxtail brome
• Hordeum murinum or mouse barley
• Avena fatua or wild oat (invasive)
• Poa annua or annual blue grass
• Urtica urens or annual stinging nettle
• Salsola tragus or tumbleweed
• Lamia amplexicaule or henbit

Exotic Trees

• Ailanthus altissima or tree of heaven (invasive)
• Fraxinus uhdei or shamel ash
• Washingtonia robusta or Mexican fan palm (invasive)
• Eucalyptus camaldulensis or red gum eucalyptus (invasive)
• Eucalyptus globulus or blue gum eucalyptus (invasive)
• Robinia pseudoacacia or black locust (invasive)

Exotic Perennial Grasses and Reeds

• Cortaderia selloana or pampas grass or silver pampas grass or Uruguayan pampas grass (invasive)
• Cortaderia jubata or Andean pampas grass or purple pampas grass (invasive)
• Arundo donax or giant reed (invasive)
• Sorghum halepense or Johnsongrass
• Phalaris aquatica or Harding grass (invasive)
• Stipa miliacea or Smilo grass

Exotic Shrubs and Perennials

• Marrubium vulgare or horehound (invasive)
• Foeniculum vulgare or fennel (invasive)
• Conium maculatum or poison hemlock (invasive)
• Lepidium latifolium or perennial pepperweed or broad-leaved peppergrass (invasive)
• Ricinus communis or castor bean (invasive)
• Rumex crispus or curly dock (invasive)

Document maintained by Dr. Rodrigue
First placed on web: 02/19/17
Last revision: 09/24/19