Harding Canyon
Dryopteridaceae (wood fern family)
Dryopteris wood fern
arguta coastal wood fern
Polypodiaceae (polypody fern family)
Polypodium
californicum California polypody
Pteridaceae (brake fern family)
Adiantum
sp. maiden-hair fern
Pellaea
andromedifolia (P. andromedaefolia) (no vars) coffee fern
mucronata bird's foot fern
Pentagramma (Pityrogramma) gold/silverback fern
triangularis ssp. triangularis (Pityrogramma t. var. t.)
Aceraceae (maple family)
Acer maple
macrophyllum bigleaf maple
Anacardiaceae (sumac family)
Malosma (Rhus)
laurina (Rhus l.) laurel sumac
Rhus sumac
integrifolia lemonade berry
ovata sugar bush
Toxicodendron (Rhus)
diversilobum (Rhus d.) poison oak
Apiaceae (Umbelliferae) (carrot family)
Osmorhiza
brachypoda sweet-cicely
Sanicula sanicle, snakeroot
crassicaulis pacific sanicle
Asteraceae (Compositae) (sunflower family)
Artemisia sagebrush
californica coastal sagebrush
douglasiana mugwort
Baccharis
salicifolia (B. glutinosa) mule fat, seepwillow, water wally
Bidens
pilosa var. pilosa common beggar-ticks
Brickellia brickelbush
californica California brickelbush
Centaurea star thistle
melitensis tocalote, yellow star thistle
Cirsium thistle
occidentale
Cynara
cardunculus artichoke thistle, cardoon
Encelia
californica California brittlebush
Eriophyllum wooly sunflower
confertiflorum golden yarrow
Gnaphalium cudweed, everlasting
canescens ssp. microcephalum (G. m.) white everlasting
Hazardia (Haplopappus)
squarrosa var. grindelioides (H. squarrosus g.) sawtooth goldenbush
Helianthus sunflower
gracilentus slender sunflower
Heterotheca
grandiflora telegraph weed
Lactuca lettuce
serriola prickly lettuce
Lepidospartum
squamatum scale-broom
Lessingia
filaginifolia (Corethrogyne f.) California/cudweed/sand aster
Solidago goldenrod
sp.
Sonchus sow-thistle
asper ssp. asper prickly/common sow thistle
Stephanomeria
virgata tall/twiggy wreath plant
Betulaceae (birch family)
Alnus alder
rhombifolia white alder
Brassicaceae (Cruciferae) (mustard family)
Brassica mustard
nigra black mustard
Capsella shepherd's purse
bursa-pastoris
Cardamine bitter-cress, toothwort
californica (Dentaria c.) milkmaids
Cactaceae (cactus family)
Opuntia prickly-pear, cholla
littoralis (no vars) coastal prickly pear
Caprifoliaceae (honeysuckle family)
Lonicera honeysuckle
subspicata var. denudata (v. johnstonii) southern honeysuckle
Sambucus elderberry
mexicana (S. caerulea) blue elderberry
Caryophyllaceae (pink family)
Silene catchfly, campion
laciniata ssp. major indian/mexican/southern/fringed pink
Stellaria chickweed, starwort, stitchwort
media common chickweed
Chenopodiaceae (goosefoot family)
Salsola
tragus (S. australis, iberica, kali) russian thistle, tumbleweed
Convolvulaceae (morning-glory family)
Calystegia (Convolvulus) bindweed, morning-glory
macrostegia
Crassulaceae (stonecrop family)
Dudleya live-forever
lanceolata lance-leaved/coastal live-forever
pulverulenta chalk dudleya/lettuce/live-forever
Cucurbitaceae (gourd family)
Marah wild cucumber, big-root, man-root
macrocarpus
Cuscutaceae (split from Convolvulaceae) (dodder family)
Cuscuta dodder, witch's hair
californica California witch's hair
Fabaceae (Leguminosae) (pea family)
Hoita
macrostachya (Psoralea m.) leather root
Lathyrus wild pea
vestitus (L. laetiflorus) chaparral sweet pea
Lotus bird's-foot trefoil
scoparius deer weed, California broom
Fagaceae (oak family)
Quercus oak
agrifolia coast live oak
berberidifolia (most of Q. dumosa) California scrub oak
Garryaceae (silk tassel family)
Garrya silk tassel bush
sp.
Geraniaceae (geranium family)
Erodium storksbill, filaree
cicutarium red stemmed filaree
moschatum white/green-stemmed filaree
Grossulariaceae (Saxifragaceae) (gooseberry family)
Ribes currant, gooseberry
californicum hillside gooseberry
indecorum white-flowered currant
Hydrophyllaceae (waterleaf family)
Phacelia
cicutaria caterpillar phacelia
imbricata
Pholistoma
auritum var. auritum (P. a.) fiesta flower
Lamiaceae (Labiatae) (mint family)
Marrubium horehound
vulgare
Salvia
apiana white sage
mellifera black sage
Stachys hedge-nettle
bullata California hedge-nettle
Lauraceae (laurel family)
Umbellularia California-bay, California-laurel
californica
Liliaceae (lily family)
Lilium
humboldtii ssp. ocellatum (L. h. var. bloomerianum) humboldt lily
Yucca spanish bayonet, yucca
whipplei (no vars) our lord's candle, spanish bayonet
Nyctaginaceae (four-O'clock family)
Mirabilis four-O'clock
californica (M. laevis) wishbone bush
Oleaceae (olive family)
Fraxinus ash
dipetala (F. trifoliata) flowering/California/foothill ash
Onagraceae (evening-primrose family)
Clarkia
unguiculata elegant clarkia
Oxalidaceae (oxalis or wood-sorrel family)
Oxalis wood-sorrel
albicans ssp. californica
Paeoniaceae (peony family) (split from Ranunculaceae)
Paeonia peony
californica California peony
Papaveraceae (poppy family)
Romneya matilija poppy
coulteri
Plantaginaceae (plantain family)
Plantago plantain
lanceolata English plantain
Platanaceae (sycamore family)
Platanus
racemosa California/western sycamore
Polygalaceae (milkwort family)
Polygala milkwort
cornuta var. fishiae Fish's milkwort
Polygonaceae (buckwheat family)
Eriogonum wild buckwheat
elongatum var. elongatum long-stemmed buckwheat
fasciculatum California buckwheat
Portulacaceae (purslane family)
Claytonia (Montia)
perfoliata (Montia perfoliata) miner's lettuce
Ranunculaceae (buttercup family)
Clematis virgin's bower
ligusticifolia western virgin's bower
Delphinium larkspur
cardinale scarlet larkspur
Thalictrum meadow-rue
fendleri var. polycarpum (T. p.)
Rhamnaceae (buckthorn family)
Ceanothus California-lilac
crassifolius hoaryleaf ceanothus
leucodermis chaparral whitethorn
spinosus? greenbark ceanothus
Rhamnus buckthorn
californica coffeeberry
crocea spiny redberry
ilicifolia holly-leafed redberry
Rosaceae (rose family)
Adenostoma
fasciculatum chamise, greasewood
Cercocarpus mountain-mahogany
betuloides var. betuloides birch-leaf mountain-mahogany
Heteromeles toyon, christmas berry, Calif. holly
arbutifolia
Rubus
ursinus California blackberry
Rubiaceae (madder family)
Galium bedstraw, cleavers
angustifolium ssp. angustifolium narrow-leaf/chaparral bedstraw
aparine common bedstraw, goose grass
Salicaceae (willow family)
Salix willow
lasiolepis (no vars) arroyo willow
Scrophulariaceae (figwort family)
Castilleja indian paintbrush
foliolosa woolly/felt paintbrush
Keckiella
antirrhinoides bush penstemon
cordifolia heart-leaved bush penstemon
Mimulus monkeyflower
aurantiacus (M. aridus, longiflorus, puniceus) bush/sticky monkeyflower
cardinalis scarlet monkey-flower
guttatus (no vars) (M. nasutus) common monkey flower
Solanaceae (nightshade family)
Nicotiana tobacco
glauca tree tobacco
Solanum nightshade
xanti (S. xantii) (no vars) purple/chaparral nightshade
Viscaceae (Loranthaceae) (mistletoe family)
Phoradendron mistletoe
macrophyllum (P. tomentosum m.) chaparral/big-leaf mistletoe
number of families = 45
number of genera = 87
number of species, subspecies and varieties = 105