Family

Common Name

Genus

Species

Maple Family-Aceraceae

Big Leaf Maple

Acer

macrophyllum

Sumac Family-Anacardiaceae

Poison Oak

Toxicodendron

diversilobum

Skunk Bush

Rhus

trilobata

Carrot Family-Apiaceace

Foothill Parsley

Lomatium

utriculatum

Hartweg's Tauschia

Tauschia

hartwegii

Hedge Parsley **

Torilis

arvensis

Pacific Snakeroot

Sanicula

crassicaulis

Poison Sanicle

Sanicula

bipinnata

Purple Sanicle

Sanicula

bipinnatifida

Rattlesnake Weed

Daucus

pusillus

Pipevine Family-Aristolochiaceae

California Pipe Vine

Aristolochia

californica

Milkweed Family-Asclepiadaceae

Purple Milkweed

Asclepias

cordifolia

Narrowleaf Milkweed

Asclepias

fascicularis

Composite Family-Asteraceae

Blow Wives

Achyrachaena

mollis

California Brickelbush

Brickellia

californica

California Chicory

Rafinisquia

californica

Cobweb Thistle

Cirsium

occidentale

Cocklebur

Xanthium

strumarium

Common Groundsel**

Senecio

vulgaris

Common Hareleaf

Lagophylla

ramosissima

Coyote Brush

Baccharis

pilularis

Dandelion**

Taxacum

vulgare

Elegant Madia

Madia

elegans ssp vernalis

Foothills Pseudobahia

Pseudobahia

heermannii

Golden Fleece

Ericameria

arborescens

Goldenbush

Ericameria

greenei

Gum Plant

Grindelia

Camporum?

Hartweg's Fleabane

Erigeron

foliosus var. hartwegii

Italian Thistle**

Carduus

pycnocephalus

Milk Thistle**

Silybum

marianum

Mugwort

Artemesia

california

Mule Fat

Baccharis

salicifolia

Narrowleaf Mule Ears

Wyethia

angustifolia

Pearly Everlasting

Anaphalis

margaritacea

Pineapple Weed**

Chamomilia

suaveolens

Silver Puffs

Uropappus

lindleyi

Slender Cottonweed

Micropus

californicus

Smooth Cat's Ear**

Hypochaeris

glabra

Sow Thistle**

Sonchus

oleraceus

Star Thistle**

Centaurea

solstitialis

Western Aster

Aster

occidentalis

Wild Endive**

Hedypnois

cretica

Woolly Sunflower

Eriophyllum

lanatum

Yarrow

Achillea

millefolium

Birch Family,Betulaceae

White Alder

Alnus

rhombifolia

Borage Family-Boraginaceae

Fiddleneck

Amsinckia

menziesii var. intermedia

Hounds Tongue

Cynoglossum

grande

Popcorn Flower

Plagiobothrys

nothofulvus

Mustard Family-Brassicaceae

Bitter Cress

Cardamine

oligosperma

Fringe Pod

Thysanocarpus

curvipes

Mustard**

Sisymbrium

orientale

Pepper Grass

Lepidium

nitidum

Shepherd's Purse**

Capsella

bursa-pastoris

Water Cress

Rorippa

nasturium-aquaticum

Whitlow Grass

Draba

verna

Spice Bush Family,Calycanthaceae

Western Spice Bush

Calycanthus

occidentalis

Bluebell Family, Campanulaceae

Blue Cup

Githopsis

specularoides

Honeysuckle Family, Caprifoliaceae

Chaparral Honeysuckle

Lonicera

interrupta

Western Blue Elderberry

Sambucus

mexicana

Snowberry

Symphoricarpos

albus

Pink Family, Caryophyllaceae

Wild Carnation**

Petrorhagia

dubia

Indian Pink

Silene

californica

Windmill Pink**

Silene

gallica

Chickweed**

Stellaria

media

Morning Glory Family, Convolvulaceae

Morning Glory

Calystegia

occidentalis

Bindweed**

Convolvulus

arvensis

Stonecrop Family, Crassulaceae

Canyon Dudleya

Dudleya

cymosa

Cucumber Family, Cucubitaceae

Manroot, Wild Cucumber

Marah

fabaceus

Cypress Family, Cupressaceae

Incense Cedar

Calocedrus

decurrens

Sedge Family, Cyperaceae

Nutsedge

Cyperus

eragrostis

Beaked Rush

Rhynchospora

capitellata

Horsetail Family, Equisetaceae

Common Horsetail

Equisetum

arvense

Spurge Family, Euphorbiaceae

Doveweed,Turkey Mullein

Eremocarpus

setigerus

Heath Family-Ericaceae

Pacific Madrone

Arbutus

menziesii

Whiteleaf Manzanita

Arctostaphylos

viscida

Legume Family-Fabaceae

Western Redbud

Cercis

occidentalis

Black Locust Tree **

Robinia

pseudoacacia

Douglas or Sky Lupine

Lupinus

nanus

Harlequin Lupine

Lupinus

stiversii

Hill Lotus

Lotus

humistratus

Little Hop Clover**

Trifolium

dubium

Minature Lupine

Lupinus

bicolor

Rosy Clover**

Trifolium

hirtum

Scotch Broom**

Cytisus

scoparius

Silver Bush Lupine

Lupinus

albifrons

Silverleaf Lotus

Lotus

argophyllus

Spanish Lotus

Lotus

purshianus

Spider Lupine

Lupinus

benthamii

Spring Vetch**

Vicia

sativa

Sulphur Pea

Lathyrus

sulphureus

Tomcat Clover

Trifolium

wildenovii

Tree Clover

Trifolium

ciliolatum

Winter Vetch**

Vicia

villosa

Oak Family-Fagaceae

Canyon Live Oak

Quercus

chrysolepsis

Blue Oak

Quercus

douglasii

Calif. Black Oak

Quercus

kelloggii

Oracle Oak

Quercus

kelloggii x wislizenii

Valley Oak

Quercus

lobata

Interior Live Oak

Quercus

wislizenii

Gentian Family, Gentianaceae

Canchalagua

Centaurium

venustum

Geranianium Family,Geraniaceae

Long-beaked Storksbill**

Erodium

botrys

Redstem Filaree**

Erodium

cicutarium

Whitestem Filaree**

Erodium

moschatum

Cutleaf Geranium**

Geranium

dissectum

Dovefoot Geranium**

Geranium

molle

Buckeye Family, Hippocastanaceae

California Buckeye

Aesculus

californica

Waterleaf Family-Hydrophyllaceae

Yerba Santa

Eriodictyon

californicum

Canyon Nemophila

Nemophila

heterophylla

Caterpillar Phacelia

Phacelia

cicutaria

Vari-Leaf Phacelia

Phacelia

heterophylla ssp virgata

St. John’s Wort, Hypericaceae

St. John's Wort**

Hypericum

perfoliatum

Iris Family-Irideaceae

Ground Iris

Iris

macrosiphon

Blue Eyed Grass

Sisyrinchium

bellum

Walnut Family, Juglandaceae

Calif. Black Walnut or hybrid?

Juglans

californica var. hindsii

Rush Family, Juncaceae

Wire Grass

Juncus

acuminatus

Wire Grass

Juncus

effusus

Hairy Wood Rush

Luzula

parviflora

Mint Family-Lamiaceae

Henbit**

Lamium

amplexicaule

Horehound**

Marrubium

vulgare

Self Heal**

Prunella

vulgaris

Calif. Skullcap

Scutellaria

californica

Rigid Hedge Nettle

Stachys

ajugoides var. rigida

Laurel-Lauraceae

Calif. Bay Tree

Umbellaria

californica

Lily Family-Liliaceae

Blue Dicks

Dichelostemma

capitatum

Fairy Lanterns

Calochortus

albus

Fawn Lily

Erythronium

multiscapoideum

Harvest Brodiaea

Brodiaea

elegans

historic**

Yucca

species?

Humboldt Lily

Lilium

humboldtii

Prettyface

Triteleia

ixioides

Soap Plant

Chlorogalum

pomeridianum

Twining Brodiaea

Dichelostemma

volubile

Wally Basket, Grass Nut

Triteleia

laxa

Wild Hyacinth

Dichelostemma

multiflorum

Mallow Family-Malvaceae

Hartweg's Checkerbloom

Sidalcea

hartwegii

Moraceae

Fig Tree**

Ficus

carica

Osage Orange**

Maclura

pomifera

Mulberry Tree**

Morus

nigra? alba?

Olive Family, Oleaceae

Calif. Ash Tree

Fraxinus

dipetala

Lilac, historic**

Syringia

vulgaris

Evening Primrose Family-Onagraceae

Bilobed Clarkia

Clarkia

biloba

Winecup Clarkia

Clarkia

purpurea

Elegant Clarkia

Clarkia

unguiculata

California Fuchsia

Epilobium

canum

Panicled Willow Herb

Epilobium

bracycarpum

Orchid Family-Orchidaceae

Piperia Orchid

Piperia

species

Orobanchaceae

Naked Broom-rape

Orobanche

uniflora

Oxalidaceae

Creeping Wood Sorrel**

Oxalis

corniculata

Poppy Family, Papaveraceae

Tufted Calif. Poppy

Eschscholzia

caespitosa

Calif. Poppy (P.V. road)

Eschscholzia

californica

Mock Orange Family, Philadelphaceae

Wild Mock Orange

Philadelphus

lewisii

Pokeweed Family, Phytolaccaceae

Pokeweed

Phytolacca

americana

Pine Family-Pinaceae

Ponderosa Pine

Pinus

ponderosa

Gray Pine, Foothill Pine

Pinus

sabiniana

Plantian Family, Plantaginaceae

Calif. Plantain

Plantago

erecta

English Plantain**

Plantago

lanceolata

Grass Family, Poaceae

Colonial Bent Grass**

Agrostis

capillaris

Bent Grass

Agrostis

exarata

Wild Oats**

Avena

fatua

Ripgut Grass**

Bromus

diandrus

Crested Dogtail**

Cynosaurus

cristatus

Deer Grass

Muhlenbergia

rigens

Phlox Family, Polemoniaceae

Globe Gilia

Gilia

capitata

Birds Eye Gilia

Gilia

tricolor

Baby Stars

Linanthus

bicolor

Whisker Brush

Linanthus

ciliatus

Downy Navarretia

Navarretia

pubescens

Polygalaceae

Sierra Milkwort

Polygala

cornuta

Buckwheat Family, Polygonaceae

Pink Spineflower

Chorizanthe

membranacea

Naked Buckwheat

Eriogonum

nudum

Dock**

Rumex

acetosella

Curly Dock**

Rumex

crispus

Polypodiaceae

Calif. Polypody Fern

Polypodium

calrhiza

Purslane Family, Portulacaceae

Red Maids

Calandrinia

ciliata

Miners Lettuce

Claytonia

parviflora

Miners Lettuce

Claytonia

perfoliata

Primrose Family-Primulaceae

Scarlet Pimpernal**

Anagallis

arvensis

Shooting Star

Dodecatheon

hendersonii

Brake Fern Family-Pteridaceae

Calif. Maiden Hair Fern

Adiantum

jordanii

Birds Foot Fern

Pellea

mucronata

Goldback Fern

Pentagramma

triangluaris

Buttercup Family-Ranunculaceae

Zig-Zag Larkspur

Delphinium

patens

Hansen’s Larkspur

Delphinium

hanseni

Rue Anemone

Isopyrum

occidentale

Prickleseed Buttercup**

Ranunculus

muricatus

Western Buttercup

Ranunculus

occidentalis

Buckthorn Family-Rhamnaceae

Buckbrush

Ceanothus

cuneatus

Deerbrush, Calif. Lilac

Ceanothus

integerrimus

Hoary Coffeeberry

Rhamnus

tomentella

Hollyleaf Redberry

Rhamnus

ilicifolia

Rose Family-Rosaceae

Toyon, Calif. Holly

Heteromeles

arbutifolia

Sticky Cinquefoil

Potentilla

glandulosa

Wild Rose**

Rosa

species?

Himalayan Blackberry**

Rubus

discolor

Madder Family, Rubiaceae

Button Willow

Cephalanthus

occidentalis v. californicus

Climbing Bedstraw

Galium

porrigens v. tenue

Field Madder**

Sherardia

arvensis

Goose Grass

Galium

aparine

Hedge Bedstraw**

Galium

mullogo

Willow Family-Salicaceae

Fremont Cottonwood

Populus

fremontii

Gooding's Black Willow

Salix

goodingii

Sandbar Willow

Salix

hindsiana

Red Willow

Salix

laevigata

Arroyo Willow

Salix

lasiolepis

Saxifrage Family, Saxifragaceae

Umbrella Plant

Darmera

peltatum (Kentucky Creek?)

Woodland Star

Lithophragma

bolanderi

Calif. Saxifrage

Saxifraga

californica

Snapdragon Family-Scrophulariaceae

Blue Eyed Mary

Collinsia

sparsiflora?

Bush Monkeyflower

Mimulus

aurantiacus

Butter & Eggs, Johnny Tuck

Triphysaria

erianthus

Chinese Houses

Collinsia

heterophylla

Foothills Penstemon

Penstemon

heterophyllus

Gaping Penstemon

Keckiella

breviflora

Moth Mullein**

Verbascum

blatteria

Pallid Owl's Clover

Castilleja

lineariloba

Persian Speedwell**

Veronica

persica

Scarlet Monkeyflower

Mimulus

cardinalis

Seepspring Monkeyflower

Mimulus

guttatus

Sticky Chinese Houses

Collinsia

tinctoria

Woolly Mullein**

Verbascum

thapsus

Brewer's Snapdragon

Antirrhinum

vexillo-calyculatum v. brewerii

Nightshade-Solanaceae

Black Nightshade

Solanum

nigrum

Styrax Family-Styracaceae

Snowdrop Bush, Styrax

Styrax

officinalis v. redivivus

Valerianaceae

Long-spurred Plectritis

Plectritis

ciliosa

Mistletoe Family-Viscaceae

Western Dwarf Mistletoe

Areceuthobium

campylopodum

Oak Mistletoe

Phoradendron

villosum

Grape Family-Vitaceae

Calif. Wild Grape

Vitis

californica