Panorama of the San Marcos Foothills Preserve
Plants of the San Marcos Foothills Preserve
Plants by Scientific
Name
Plants by Common
Name
Plants by Color
and Type

 

As of the latest publication date of this page (5/4/2017) 275 plants have been documented on the San Marcos Foothills (170 are native and 105 are non-native). Currently 60% of the plants on this page include photographs, and new photos are being added regularly. The "*" indicates a non-native species. New plants are added to this page at least monthly, so be sure to REFRESH your browser with ever visit! All photography on this page is copyright Ken Owen unless otherwise noted.

Click on the links below to view a page for each photographed plant. You can also click here for a PDF version of the list (updated 5\4\2017)

Achyrachaena mollis blow wives
Acmispon glaber var. glaber deerweed
Acmispon maritimus var. maritimus coastal lotus
Acmispon wrangelianus chilean trefoil
Acourtia microcephala sacapellote
Adenostoma fasciculatum var. fasciculatum chamise
Adiantum jordanii California maindenhair fern
Agrostis pallens thin grass
Ambrosia psilostachya western ragweed
Amsinckia intermedia common fiddleneck
Apium graveolens * celery
Araujia sericifera * bladder-flower
Artemisia californica California sagebrush
Artemisia douglasiana mugwort
Asclepias fascicularis narrowleaf milkweed
Asparagus asparagoides * bridal creeper, smilax
Atriplex semibaccata * Australian saltbush
Avena barbata * slender wild oat
Avena fatua * wild oat
Azolla filiculoides mosquito fern
Baccharis pilularis ssp. consanguinea coyote brush
Baccharis plummerae ssp. plummerae plummer baccharis
Baccharis salicifolia ssp. salicifolia mulefat
Bidens pilosa * beggarticks
Bloomeria crocea ssp. crocea golden stars
Brachypodium distachyon * false brome
Brassica nigra * black mustard
Brassica rapa * field mustard
Brickellia californica California brickellbush
Brodiaea terrestris ssb. kernensis Kern brodiaea
Bromus carinatus var. carinatus California brome
Bromus diandrus * ripgut brome
Bromus hordeaceus * soft chess
Bromus madritensis ssp. rubens * red brome
Calandrinia menziesii red maids
Calochortus catalinae Catalina mariposa lily
Calystegia macrostegia ssp. cyclostegia coastal morning-glory
Camissoniopsis bistorta California sun cup
Camissoniopsis hirtella hairy sun cup
Camissoniopsis micrantha miniature suncup
Capsella bursa-pastoris * shepherd's purse
Cardionema ramosissimum sand mat
Carduus pycnocepnalus * Italian thistle
Carex sp. sedge
Castilleja exserta ssp. exerta purple owl's clover
Ceanothus crassifolius snowball
Ceanothus megacarpus var. megacarpus bigpod ceanothus
Ceanothus spinosus greenbark ceanothus
Centaurea melitensis * tocalote
Ceratophyllum demersum hornwort
Cercocarpus betuloides var. betuloides birch-leaf mountain mahogany
Chenopodium album * lambsquarters
Chenopodium californicum soaproot
Chenopodium murale * nettle leaf goosefoot
Chlorogalum pomeridianum var. pomeridianum small soap plant
Cirsium vulgare * bull thistle
Clarkia sp. clarkia
Claytonia perfoliata ssp. perfoliata miner's lettuce
Clematis lasiantha pipestem clematis, chaparral clematis
Clematis ligusticifolia creek clematis
Conium maculatum * poison hemlock
Convolvulus arvensis * bindweed
Corethrogyne filaginifolia California aster
Cortaderia jubata * jubata grass
Cortaderia selloana * pampas grass
Crassula connata pygmy weed
Crocanthemum scoparium var. vulgare peak rush-rose
Croton setigerus dove weed
Cryptantha intermedia var. intermedia common forget-me-not
Cucurbita foetidissima calabazilla
Cuscuta subinclusa canyon dodder
Cynara cardunculus * artichoke thistle
Cynodon dactylon * bermuda grass
Cyperus eragrostis umbrella-sedge
Cyperus involucratus * African umbrella-sedge
Datura wrightii jimson weed
Deinandra fasciculata fasciculed tarplant
Delairea odorata * cape-ivy
Descurainia pinnata tansy mustard
Dichelostemma capitatum ssp. capitatum blue dicks
Diplotaxis muralis * annual wallrocket
Drymocallis glandulosa var. glandulosa sticky cinquefoil
Dryopteris arguta coastal wood fern
Dudleya lanceolata lanceleaf live-forever
Ehrharta erecta * veldtgrass
Eleocharis macrostachya spikerush
Elymus condensatus giant rye
Elymus glaucus subsp. glaucus blue wild rye
Emmenanthe penduliflora var. penduliflora whispering bells
Encelia californica California bush sunflower
Epilobium canum ssp. canum California fuchsia
Epilobium ciliatum ssp. ciliatum willow herb
Erigeron canadensis horseweed
Erigeron foliosus var. foliosus leafy fleabane
Eriodictyon crassifolium var. nigrescens yerba santa
Eriogonum elongatum longstem buckwheat
Eriogonum fasciculatum var. foliolosum California buckwheat
Eriophyllum confertiflorum var. confertiflorum golden yarrow
Erodium botrys * Broad leaf filaree
Erodium cicutarium * redstem filaree
Erodium moschatum * white stemmed filaree
Eschscholzia californica California poppy
Eucalyptus camaldulensis * river red gum
Eucalyptus citriodora * lemon-scented gum
Eucrypta chrysanthemifolia var. chrysanthemifolia common eucrypta
Euthamia occidentalis western goldenrod
Festuca bromoides * slender fescue
Festuca myuros * rattail sixweeks grass
Festuca perennis * Italian rye grass
Foeniculum vulgare * sweet fennel
Fraxinus uhdei * shamel ash
Galium angustifolium ssp. angustifolium common bedstraw
Galium californicum ssp. flaccidum flaccid bedstraw
Galium cliftonsmithii Santa Barbara bedstraw
Galium nuttallii nuttall's bedstraw
Genista monspessulana * French broom
Geranium dissectum * dissected geranium
Hazardia squarrosa var. squarrosa sawtooth goldenbush
Hedera sp. * ivy
Helminthotheca echioides * bristly ox-tongue
Hesperoyucca whipplei chaparral yucca
Heteromeles arbutifolia toyon
Heterotheca grandiflora telegraph weed
Hirschfeldia incana * summer mustard
Hordeum brachyantherum ssp. californicum California barley
Hordeum intercedens vernal barley
Hordeum marinum ssp. gussoneanum * mediterranean barley
Hordeum murinum spp. leporinum * hare or foxtail barley
Hordeum murinum ssp. glaucum * summer barley
Horkelia cuneata var. cuneata wedgeleaf horkelia
Hypochaeris glabra * smooth cat's-ear
Hypochaeris radicata * rough cat's-ear
Isocoma menziesii var. vernonioides coastal goldenbush
Isolepis cernua low bulrush
Juglans californica southern Calif. black walnut
Juncus bufonius var. bufonius toad rush
Juncus occidentalis western rush
Juncus patens spreading rush
Keckiella cordifolia heartleaf penstemon
Lactuca serriola * prickly lettuce
Lamarckia aurea * goldentop
Lamium amplexicaule * henbit
Lathyrus vestitus var. vestitus wild sweetpea
Lepidium nitidum shining or common peppergrass
Logfia filaginoides California cottonrose
Lonicera subspicata var. subspicata Santa Barbara honeysuckle
Lupinus bicolor bicolored lupine
Lupinus hirsutissimus stinging lupine
Lupinus nanus sky lupin
Lupinus sparsiflorus few-flowered lupine
Lupinus succulentus arroyo lupine
Lysimachia arvensis * scarlet pimpernel
Lythrum hyssopifolia * hyssop loosestrife
Malacothamnus fasciculatus var. nuttallii nuttall bush mallow
Malacothrix saxatilis var. saxatilis cliff aster
Malosma laurina laural sumac
Malva nicaeensis * bull mallow
Malva parviflora * cheeseweed
Marah macrocarpa wild cucumber
Marrubium vulgare * horehound
Matricaria discoidea pineapple weed
Medicago polymorpha * burclover
Melica frutescens woody melicgrass
Melica imperfecta coast range melic
Melilotus albus * white sweet-clover
Melilotus indica * yellow sweet-clover
Mimulus aurantiacus var. pubescens bush monkeyflower
Mirabilis laevis var. crassifolia California wishbone bush
Myoporum laetum * myoporum
Nasturtium officinale water cress
Navarretia atractyloides hollyleaf pincushionplant
Nicotiana glauca * tree tobacco
Nicotiana quadrivalvis indian tobacco
Oenothera xenogaura * Drummond's gaura
Olea europaea * olive
Opuntia ficus-indica * mission cactus/tuna cactus
Opuntia littoralis var. littoralis coast prickly pear
Oxalis albicans California wood sorrel
Oxalis pes-caprae * Bermuda buttercup; sour grass
Oxalis pilosa hairy wood sorrel
Paeonia californica California peony
Pennisetum clandestinum * Kikuyu grass
Pennisetum setaceum * fountain grass
Phacelia cicutaria var. hispida caterpillar phacelia
Phacelia hubbyi Hubby's caterpillar phacelia
Phacelia ramosissima branching phacelia
Phacelia viscida var. albiflora sticky phacelia or white phacelia
Phalaris aquatica * harding grass
Pholistoma auritum var. auritum Fiesta Flower
Pholistoma racemosum white fiesta flower
Pittosporum undulatum * victorian box
Plagiobothrys nothofulvus rusty popcornflower
Plantago erecta California plantain
Plantago lanceolata * narrowleaf plantain
Plantago major * common plantain
Platanus racemosa western sycamore
Poa annua * annual bluegrass
Polygonum aviculare subsp. depressum * common knotweed
Polypodium californicum California polypody
Polypogon monspeliensis * rabbitsfoot grass
Populus trichocarpa black cottonwood
Primula clevelandii var. clevelandii shooting stars
Pseudognaphalium californicum green everlasting
Pseudognaphalium luteoalbum * cudweed everlasting
Pseudognaphalium microcephalum white everlasting
Pteridium aquilinum var. pubescens western bracken fern
Quercus agrifolia var. agrifolia coast live oak
Ranunculus californicus California buttercup
Raphanus sativus * wild radish
Rhamnus crocea redberry
Rhus integrifolia lemonade berry
Ribes amarum bitter gooseberry
Ribes speciosum fuchsia-flowered gooseberry
Ricinus communis * castor bean
Rosa californica California wild rose
Rubus ursinus California blackberry
Rumex conglomeratus * green dock
Rumex crispus * curly dock
Rumex pulcher * fiddle dock
Salix laevigata red willow
Salix lasiolepis arroyo willow
Salsola australis * russian thistle
Salvia apiana white sage
Salvia leucophylla purple sage
Salvia mellifera black sage
Salvia spathacea hummingbird sage
Sambucus nigra ssp. caerulea blue elderberry
Samolus parviflorus water pimpernel
Sanicula crassicaulis pacific sanicle
Schinus molle * Peruvian peppertree
Schinus terebinthifolius * Brazilian pepper
Scrophularia californica California figwort
Selaginella bigelovii Bigelow's spike-moss
Senecio vulgaris * common groundsel
Sidalcea malviflora checker bloom
Silene gallica * windmill pink
Silene laciniata subsp. laciniata Mexican pink
Silybum marianum * milk thistle
Sisymbrium irio * London rocket
Sisyrinchium bellum blue-eyed grass
Solanum douglasii Douglas nightshade
Solanum elaegnifolium * white horse-nettle
Solanum xanti chaparral nightshade
Sonchus asper * spiny sowthistle
Sonchus oleraceus * common sow-thistle
Spergula arvensis * Corn Spurry
Spergularia villosa * hairy sandspurry
Stachys bullata California hedge-nettle, wood mint
Stellaria media * common chickweed
Stephanomeria sp. wirelettuce
Stipa lepida foothill needlegrass
Stipa miliacea var. miliacea * smilo grass
Stipa pulchra purple needlegrass
Symphoricarpos mollis snowberry
Symphyotrichum chilense pacific aster
Tamarix ramosissima * tamarisk, saltcedar
Taraxacum officinale * common dandelion
Thalictrum fendleri meadow rue
Torilis arvensis * hedge parsley
Toxicodendron diversilobum poison oak
Tragopogon porrifolius * oyster plant, salsify
Trichostema lanceolatum vinegarweed
Trifolium depauperatum var. amplectens pale sack clover
Trifolium hirtum * rose clover
Typha domingensis southern cattail
Typha latifolia * broad-leaved cattail
Urospermum picroides * prickly goldenfleece
Urtica dioica ssp. holosericea giant creek nettle
Urtica urens * dwarf nettle
Venegasia carpesioides canyon sunflower
Verbena lasiostachys var. lasiostachys western vervain
Vicia sativa * spring vetch
Vinca major * periwinkle
Xanthium spinosum * spiny clotbur
Xanthium strumarium cocklebur