California Native Plants That Attract Butterflies

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Name	Common Name	Description	Plant Type	Sun	Water	Flower Color	Butterflies
Acer macrophyllum	big-leaf maple	Deciduous tree 40-100 ft tall; sun to partial shade; moist clay to sandy soil; canyons	Trees	Full Sun, Part Shade	Mod	Inconspicuous	Mourning Cloak, Orange-legged-Furrow-Bee, Western Tiger Swallowtail
Acer negundo	box-elder	Deciduous tree 30-50 ft tall; sun to partial shade; deep soils; street tree	Trees	Full Sun, Part Shade	Mod	Inconspicuous	Mourning Cloak, Orange-legged-Furrow-Bee, Western Tiger Swallowtail
Achillea millefolium	yarrow	Perennial herb 1-3 ft tall; sun to partial shade; creeping; summer dormant if dry	Perennials	Full Sun, Part Shade	Low, Mod	White	American Lady, Blue-and-black Mining Bee, California Mountain-Digger Bee, Coneflower Masked Bee, Field Crescent, Horn-faced Leafcutter Bee, Nomada sp., Orange-legged-Furrow-Bee, Pacific Green Small-Mason, Painted Lady, Red-footed Sharptail, Spotted Woolcarder, Tansymustard Sweat Bee, Texas Striped Sweat Bee, Tiny Small Carpenter, Tripartite Sweat Bee, Western Blue Orchard Bee, Western Leafcutter Bee, Wide-striped Sweat Bee
Aesculus californica	California buckeye	Shrub or multi-stemmed tree 10-30 ft tall; sun to partial shade; summer-deciduous	Trees	Full Sun, Part Shade	Low, Mod, Very low	Cream	Echo Azure, Valley-Carpenter-Bee, Western-Honey-Bee
Agrostis exarata	spike redtop	Perennial grass 1-3 ft tall; sun to partial shade; moist meadows; rhizomatous	Grasses	Full Sun, Part Shade	Mod	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Agrostis pallens	seashore bentgrass	Perennial grass 0.3-2 ft tall; sun to shade; rhizomatous; coastal	Grasses	Full Shade, Full Sun, Part Shade	Low, Mod	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Anaphalis margaritacea	pearly everlasting		Perennials	Full Sun, Part Shade	Very low	White	American Lady, Painted Lady
Angelica californica	California angelica	Perennial herb 3-6 ft tall; partial to full shade; dry soils; summer dormant	Perennials	Full Shade, Part Shade	Very low	White	Anise Swallowtail
Arbutus menziesii	Pacific madrone	Evergreen tree 16-80 ft tall; partial to full shade; no summer water once established	Trees	Full Shade, Part Shade	Mod	White	California Mountain-Digger Bee, Western Brown Elfin
Arnica discoidea	rayless arnica	Perennial herb 1-2 feet tall; yellow flowers; shady mesic sites	Perennials	Full Shade, Part Shade	Low, Mod	Yellow	American Lady, Field Crescent
Artemisia californica	California sagebrush	Evergreen shrub 1-4 feet tall; hot, dry slopes, no summer water	Shrubs	Full Sun	Very low	Inconspicuous	American Lady, Field Crescent, Painted Lady
Artemisia douglasiana	mugwort	Perennial herb 3-5 feet tall; rich soils, winter dormant	Perennials	Full Sun, Part Shade	Low, Mod	Cream	American Lady, Field Crescent, Painted Lady
Artemisia dracunculus	tarragon		Perennials	Full Sun	Low	Brown	American Lady, Painted Lady
Asclepias californica	California milkweed	Perennial herb 2-3 feet tall; spreading; full sun, many soils; hosts Monarch larvae	Perennials	Full Sun	Low, Very low	Pink	Arizona-Small-Carpenter, Monarch, Queen
Asclepias fascicularis	narrow-leaf milkweed	Perennial herb up to 9 feet tall; dry clay to loam soils, winter dormant	Perennials	Full Sun	Low, Mod	White	Arizona-Small-Carpenter, Monarch, Queen, Urbane Digger Bee
Asclepias speciosa	showy milkweed		Perennials	Full Sun, Part Shade	Low	Pink	Arizona-Small-Carpenter, Monarch, Queen
Astragalus asymmetricus	San Joaquin milkvetch	Perennial herb 6-12 inches tall; dry to moist sites, winter dormant	Perennials	Full Sun, Part Shade	Low, Mod, Very low	Cream, Yellow	Acmon Blue, Behr's Silvery Blue, Common Sulfur, Eastern Tailed Blue, Marine Blue, Western Tailed Blue
Baccharis glutinosa	marsh baccharis	Perennial herb up to 3 feet tall; wet, marshy sites, winter dormant	Perennials	Part Shade	Mod	Inconspicuous	American Lady, Field Crescent, Lasioglossum-titusi, Ligated-Furrow-Bee
Baccharis pilularis subsp. consanguinea	coyote brush	Evergreen shrub up to 8 feet tall; grows in many conditions	Shrubs	Full Sun, Part Shade	Low, Very low	Inconspicuous	Acorn-Woodpecker, American Lady, American-Crow, American-Goldfinch, Bell's-Sparrow, Black-headed-Grosbeak, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California-Scrub-Jay, California-Thrasher, California-Towhee, Cassin's-Vireo, Cedar-Waxwing, Chestnut-backed-Chickadee, Chipping-Sparrow, Common-Raven, Common-Yellowthroat, Dark-eyed-Junco, Downy-Woodpecker, Field Crescent, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Great-tailed-Grackle, Hairy Woodpecker, Hermit-Warbler, House-Finch, Hutton's-Vireo, Lark-Sparrow, Lawrence's-Goldfinch, Lazuli-Bunting, Lesser-Goldfinch, Lewis's-Woodpecker, Lincoln's-Sparrow, MacGillivray's-Warbler, Nashville-Warbler, Northern-Flicker, Northern-Mockingbird, Nuttall's-Woodpecker, Oak-Titmouse, Orange-crowned-Warbler, Pileated-Woodpecker, Pine-Siskin, Purple-Finch, Red-breasted-Sapsucker, Red-winged-Blackbird, Rufous-crowned-Sparrow, Savannah-Sparrow, Slevin's-Cellophane-Bee, Song-Sparrow, Spotted-Towhee, Steller's-Jay, Townsend's-Warbler, Tricolored-Blackbird, Warbling Vireo, Western-Meadowlark, Western-Tanager, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-bellied-Sapsucker, Yellow-billed-Magpie, Yellow-rumped-Warbler, Yellow-Warbler
Baccharis salicifolia subsp. salicifolia	mule fat	Perennial herb 1-4 feet tall; needs summer water; woody at base	Perennials	Full Sun	Mod	Inconspicuous	American Lady, Field Crescent
Brickellia californica	California brickelbush	Evergreen shrub 2-6 feet tall; sunny, well-drained soils, some water	Shrubs	Full Sun, Part Shade	Low	Cream	American Lady, Field Crescent
Bromus carinatus var. carinatus	California brome	Perennial grass 2-3 feet+ tall; loose bunchgrass; grows in many sites	Grasses	Full Shade, Full Sun, Part Shade	Low, Mod, Very low	Inconspicuous	Umber Skipper
Bromus laevipes	woodland brome	Perennial grass 1-4 feet tall; moist to dry shade	Grasses	Full Shade, Full Sun, Part Shade	Low, Mod	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Bromus sitchensis var. carinatus	California brome	Perennial grass 2-4 feet tall; loose bunchgrass; grows in many sites	Grasses	Full Shade, Full Sun, Part Shade	Low, Mod, Very low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Castilleja affinis subsp. affinis	coast paintbrush	Perennial or annual herb 6-24 inches tall; sun or part shade; grows in sea bluffs	Perennials	Full Sun, Part Shade	Low	Red	Leanira Checkerspot, Northern Checkerspot
Castilleja densiflora subsp. Densiflora	dense flower owl's clover		Annuals			Pink, Purple	Bay Checkerspot, Leanira Checkerspot, Northern Checkerspot
Castilleja exserta subsp. exserta	purple owl's-clover		Annuals			Pink, Purple	Common Buckeye, Edith's Checkerspot, Leanira Checkerspot, Northern Checkerspot, Variable Checkerspot
Castilleja foliolosa	woolly paintbrush	Small shrub 1-2 feet tall; grows best near other shrubs; open, sunny hillsides	Perennials	Full Sun	Mod	Red	Leanira Checkerspot, Northern Checkerspot
Castilleja wightii	Wight's paintbrush		Perennials	Full Sun	Low	Yellow	Common Buckeye, Edith's Checkerspot, Leanira Checkerspot, Northern Checkerspot, Variable Checkerspot
Ceanothus cuneatus var. cuneatus	buckbrush	Evergreen shrub 3-11 feet tall; dry slopes and ridges; deer resistant	Shrubs	Full Sun, Part Shade	Low	Blue, Lavender, White	Acorn-Woodpecker, American-Crow, American-Robin, Arizona-Small-Carpenter, Bell's-Sparrow, Bewick's-Wren, Black-headed-Grosbeak, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown Elfin, Brown-headed-Cowbird, Bullock's-Oriole, California Hairstreak, California Mountain-Digger Bee, California Tortoiseshell, California-Scrub-Jay, California-Thrasher, California-Towhee, Canyon-Wren, Cassin's-Vireo, Cedar-Waxwing, Chestnut-backed-Chickadee, Chipping-Sparrow, Common-Raven, Common-Yellowthroat, Coneflower Masked Bee, Dark-eyed-Junco, Downy-Woodpecker, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Gray Hairstreak, Great-tailed-Grackle, Hairy Woodpecker, Hedgerow Hairstreak, Hermit-Thrush, Hermit-Warbler, House-Wren, Hutton's-Vireo, Lark-Sparrow, Lazuli-Bunting, Lewis's-Woodpecker, Lincoln's-Sparrow, Lorquin's Admiral, MacGillivray's-Warbler, Marsh-Wren, Mountain-Bluebird, Nashville-Warbler, Northern-Flicker, Northern-Mockingbird, Nuttall's-Woodpecker, Oak-Titmouse, Orange-crowned-Warbler, Pacific-Wren, Pale Swallowtail, Pileated-Woodpecker, Pygmy-Nuthatch, Red-breasted-Nuthatch, Red-breasted-Sapsucker, Red-winged-Blackbird, Rock-Wren, Rufous-crowned-Sparrow, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Steller's-Jay, Swainson's-Thrush, Townsend's-Warbler, Tricolored-Blackbird, Varied-Thrush, Warbling Vireo, Western Brown Elfin, Western Pine Elfin, Western-Bluebird, Western-Meadowlark, Western-Tanager, White-breasted-Nuthatch, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-bellied-Sapsucker, Yellow-billed-Magpie, Yellow-rumped-Warbler, Yellow-Warbler
Ceanothus leucodermis	chaparral whitethorn		Shrubs			Blue, Lavender, White	Arizona-Small-Carpenter, Brown Elfin, California Mountain-Digger Bee, California Tortoiseshell, Coneflower Masked Bee, Gray Hairstreak, Hedgerow Hairstreak, Lorquin's Admiral, Pale Swallowtail, Western Pine Elfin
Ceanothus oliganthus var. sorediatus	Jim brush	Evergreen shrub 3-9 feet tall; full sun or part shade; dry slopes; deer resistant	Trees	Full Sun, Part Shade	Low	Blue, White	Arizona-Small-Carpenter, Brown Elfin, California Hairstreak, California Mountain-Digger Bee, California Tortoiseshell, Coneflower Masked Bee, Gray Hairstreak, Hedgerow Hairstreak, Lorquin's Admiral, Pale Swallowtail, Western Brown Elfin
Ceanothus thyrsiflorus	blue blossom	Evergreen shrub 8-12 feet tall; full sun or part shade; blue flowers; evergreen	Shrubs	Full Sun, Part Shade	Low	Blue	Acorn-Woodpecker, American-Crow, American-Robin, Arizona-Small-Carpenter, Bell's-Sparrow, Bewick's-Wren, Black-headed-Grosbeak, Black-Tailed-Bumble-Bee, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown Elfin, Brown-headed-Cowbird, Bullock's-Oriole, California Hairstreak, California Mountain-Digger Bee, California Tortoiseshell, California-Scrub-Jay, California-Thrasher, California-Towhee, Canyon-Wren, Cassin's-Vireo, Cedar-Waxwing, Chestnut-backed-Chickadee, Chipping-Sparrow, Common-Raven, Common-Yellowthroat, Coneflower Masked Bee, Dark-eyed-Junco, Downy-Woodpecker, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Gray Hairstreak, Great-tailed-Grackle, Hairy Woodpecker, Hedgerow Hairstreak, Hermit-Thrush, Hermit-Warbler, House-Wren, Hutton's-Vireo, Lark-Sparrow, Lazuli-Bunting, Lewis's-Woodpecker, Lincoln's-Sparrow, Lorquin's Admiral, MacGillivray's-Warbler, Marsh-Wren, Mountain-Bluebird, Nashville-Warbler, Northern-Flicker, Northern-Mockingbird, Nuttall's-Woodpecker, Oak-Titmouse, Orange-crowned-Warbler, Pacific-Wren, Pale Swallowtail, Pileated-Woodpecker, Pygmy-Nuthatch, Red-breasted-Nuthatch, Red-breasted-Sapsucker, Red-winged-Blackbird, Rock-Wren, Rufous-crowned-Sparrow, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Steller's-Jay, Swainson's-Thrush, Texas Striped Sweat Bee, Townsend's-Warbler, Tricolored-Blackbird, Tripartite Sweat Bee, Urbane Digger Bee, Varied-Thrush, Warbling Vireo, Western Brown Elfin, Western Pine Elfin, Western-Bluebird, Western-Meadowlark, Western-Tanager, White-breasted-Nuthatch, White-crowned-Sparrow, White-throated-Sparrow, Wide-striped Sweat Bee, Wilson's-Warbler, Yellow-bellied-Sapsucker, Yellow-billed-Magpie, Yellow-rumped-Warbler, Yellow-Warbler
Chlorogalum pomeridianum var. pomeridianum	soap plant	Herbaceous perennial bulb, stems to 5 feet tall; well-drained soil	Bulbs	Full Sun, Part Shade	Low	White	Western Brown Elfin
Chorizanthe membranacea	pink spineflower		Annuals			Pink, White	Great Copper, Purplish Copper
Cirsium andersonii	Franciscan thistle		Perennials			Pink	Arizona-Small-Carpenter, Dimorphic-Mountain-digger-Bee, Field Crescent, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee, Western-Oblique-Longhorn
Cirsium brevistylum	Indian thistle		Annuals			Pink, White	Arizona-Small-Carpenter, Dimorphic-Mountain-digger-Bee, Field Crescent, Mylitta Crescent, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee, Western-Oblique-Longhorn
Cirsium douglasii var. douglasii	swamp thistle		Perennials			Purple, White	Arizona-Small-Carpenter, Dimorphic-Mountain-digger-Bee, Field Crescent, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee, Western-Oblique-Longhorn
Cirsium occidentale var. venustum	Venus thistle		Annuals			Pink, Purple, Red	Acorn-Woodpecker, Allen's-Hummingbird, American-Crow, American-Goldfinch, American-Robin, Anna's-Hummingbird, Arizona-Small-Carpenter, Bell's-Sparrow, Bewick's-Wren, Bindweed-Turret-Bee, Black-headed-Grosbeak, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California-Scrub-Jay, California-Thrasher, California-Towhee, Calliope-Hummingbird, Canyon-Wren, Cassin's-Vireo, Cedar-Waxwing, Chestnut-backed-Chickadee, Chipping-Sparrow, Common-Raven, Common-Yellowthroat, Dark-eyed-Junco, Dimorphic-Mountain-digger-Bee, Downy-Woodpecker, Field Crescent, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Great-tailed-Grackle, Hairy Woodpecker, Hermit-Thrush, Hermit-Warbler, House-Finch, House-Wren, Hutton's-Vireo, Lark-Sparrow, Lawrence's-Goldfinch, Lazuli-Bunting, Lesser-Goldfinch, Lewis's-Woodpecker, Lincoln's-Sparrow, MacGillivray's-Warbler, Marsh-Wren, Mountain-Bluebird, Mylitta Crescent, Nashville-Warbler, Northern-Flicker, Northern-Mockingbird, Nuttall's-Woodpecker, Oak-Titmouse, Orange-crowned-Warbler, Pacific-Coast-Small-Carpenter, Pacific-Wren, Painted Lady, Pileated-Woodpecker, Pine-Siskin, Purple-Finch, Pygmy-Nuthatch, Red-breasted-Nuthatch, Red-breasted-Sapsucker, Red-winged-Blackbird, Rock-Wren, Rufous-crowned-Sparrow, Rufous-Hummingbird, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Steller's-Jay, Sunflower-Chimney-Bee, Svastra-obliqua-expurgata, Swainson's-Thrush, Townsend's-Warbler, Tricolored-Blackbird, Varied-Thrush, Warbling Vireo, Western-Bluebird, Western-Meadowlark, Western-Tanager, White-breasted-Nuthatch, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-bellied-Sapsucker, Yellow-billed-Magpie, Yellow-rumped-Warbler, Yellow-Warbler
Cirsium quercetorum	brownie thistle		Perennials			Brown, Pink, Purple	Arizona-Small-Carpenter, Dimorphic-Mountain-digger-Bee, Field Crescent, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee, Western-Oblique-Longhorn
Cornus glabrata	brown dogwood	Deciduous shrub or small tree 5-18 feet tall; requires summer water	Shrubs	Full Shade, Part Shade	High	White	Echo Azure
Cornus sericea subsp. sericea	American dogwood	Deciduous shrub 3-10 feet tall; needs summer water, tolerates shade	Shrubs	Full Shade, Part Shade	High	White	Blue-and-black Mining Bee, Echo Azure, Tansymustard Sweat Bee, Texas Striped Sweat Bee, Tiny Small Carpenter
Danthonia californica	California oat grass	Perennial grass up to 6 inches tall; moist to dry soil in cool, sunny sites	Grasses	Full Sun, Part Shade	Low, Mod	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Western Branded Skipper, Woodland Skipper, Yuma Skipper
Deschampsia cespitosa subsp. holciformis	tufted hair grass		Grasses				Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Deschampsia elongata	slender hair grass		Grasses				Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Diplacus aurantiacus	bush monkeyflower	Evergreen shrub 2-3 feet tall or more; grows in many site conditions	Shrubs	Full Sun, Part Shade	Low, Very low	Orange
Distichlis spicata	salt grass	Perennial grass up to 1 foot tall; sunny, wet, saline soils	Grasses	Full Sun	High	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Dudleya cymosa subsp. paniculata	canyon live-forever	Succulent perennial herb 4-6 inches tall; full sun or part shade in rocks	Perennials	Full Sun, Part Shade	Low, Very low	Yellow	Moss' Elfin, Sonoran Blue
Dudleya farinosa	bluff lettuce	Succulent perennial herb 6-12 inches tall; full sun or part shade in rocks	Perennials	Full Shade, Part Shade	Low, Very low	Yellow	Moss' Elfin, Sonoran Blue
Elymus condensatus	giant wild-rye		Grasses				Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Elymus elymoides var. elymoides	squirreltail	Perennial grass 0.3-2 feet tall; clumping, dry, open sites	Grasses	Full Sun	Low, Very low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Elymus glaucus subsp. glaucus	blue wildrye	Perennial grass up to 4 feet tall; rhizomatous, full sun to partial shade	Grasses	Full Sun, Part Shade	Low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Elymus multisetus	big squirreltail	Perennial grass 1-2 feet tall; clumping, sandy to rocky dry soils	Grasses	Full Sun	Low, Very low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Elymus trachycaulus subsp. trachycaulus	slender wheatgrass	Perennial grass 3-5 feet tall; clumping, dry to moist soils in partial shade	Grasses	Full Sun, Part Shade	Low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Elymus triticoides	beardless wild-rye		Grasses				Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Epilobium canum	California fuchsia	Perennial herb 2-3 feet tall; spreading, sunny sites, fall dormant	Perennials	Full Sun	Low, Very low	Red
Epilobium ciliatum subsp. ciliatum	willow-herb		Perennials	Full Shade, Part Shade		Lavender, White	California Dogface
Ericameria linearifolia	interior goldenbush	Evergreen shrub 3-5 feet tall; needs full sun, good drainage, dry soils	Shrubs	Full Sun	Low	Yellow	American Lady, California Mountain-Digger Bee, Field Crescent, Northern Checkerspot
Eriodictyon californicum	yerba santa		Shrubs	Full Sun	Low, Very low	Purple	Brown Elfin, California Mountain-Digger Bee, Great Copper, Purplish Copper
Eriogonum angulosum	angle-stem wild buckwheat		Annuals				Acmon Blue, Arizona-Small-Carpenter, Bernardino Blue, Bramble Hairstreak, Brown Elfin, Common Hairstreak, Coneflower Masked Bee, Dotted Blue, Gorgon Copper, Gray Hairstreak, Great Copper, Lange's Metalmark, Mission Blue, Mormon Metalmark, Purplish Copper, Texas Striped Sweat Bee
Eriogonum fasciculatum var. polifolium	California buckwheat	Evergreen mat or low shrub 3-12 inches tall; variety of well-drained sites	Shrubs	Full Sun	Very low	White	Acmon Blue, Arizona-Small-Carpenter, Bell's-Sparrow, Bernardino Blue, Black-throated-Gray-Warbler, Bramble Hairstreak, Brewer's-Blackbird, Brown Elfin, Brown-headed-Cowbird, Bullock's-Oriole, California-Thrasher, California-Towhee, Cassin's-Vireo, Cedar-Waxwing, Chipping-Sparrow, Common-Yellowthroat, Coneflower Masked Bee, Dark-eyed-Junco, Dotted Blue, Fox-Sparrow, Golden-crowned-Sparrow, Gorgon Copper, Grasshopper-Sparrow, Gray Hairstreak, Great Copper, Great-tailed-Grackle, Hermit-Warbler, Horn-faced Leafcutter Bee, Hutton's-Vireo, Lark-Sparrow, Lincoln's-Sparrow, MacGillivray's-Warbler, Mormon Metalmark, Nashville-Warbler, Northern-Mockingbird, Orange-crowned-Warbler, Pacific Green Small-Mason, Purplish Copper, Red-footed Sharptail, Red-winged-Blackbird, Rufous-crowned-Sparrow, Savannah-Sparrow, Song-Sparrow, Spotted Woolcarder, Spotted-Towhee, Texas Striped Sweat Bee, Townsend's-Warbler, Tricolored-Blackbird, Warbling Vireo, Western Blue Orchard Bee, Western Leafcutter Bee, Western-Meadowlark, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-rumped-Warbler, Yellow-Warbler
Eriogonum luteolum var. caninum	Tiburon buckwheat		Perennials	Full Sun	Low	Pink	Acmon Blue, Arizona-Small-Carpenter, Bernardino Blue, Bramble Hairstreak, Brown Elfin, Common Hairstreak, Coneflower Masked Bee, Dotted Blue, Gorgon Copper, Gray Hairstreak, Great Copper, Lange's Metalmark, Mission Blue, Mormon Metalmark, Purplish Copper, Texas Striped Sweat Bee
Eriogonum nudum var. auriculatum	eared buckwheat	Herbaceous perennial, 4 inches-2 feet tall;wide variety of sites	Perennials	Full Sun, Part Shade	Low	Cream	Acmon Blue, Arizona-Small-Carpenter, Bernardino Blue, Black-Tailed-Bumble-Bee, Bramble Hairstreak, Brown Elfin, Coneflower Masked Bee, Dotted Blue, Gorgon Copper, Gray Hairstreak, Great Copper, Mormon Metalmark, Purplish Copper, Texas Striped Sweat Bee
Eriogonum umbellatum var. bahiiforme	sulfur flower	Herbaceous perennial, 4 inches-2 feet tall; wide variety of sites	Perennials	Full Sun	Very low	Yellow	Acmon Blue, Arizona-Small-Carpenter, Bernardino Blue, Bramble Hairstreak, Brown Elfin, Coneflower Masked Bee, Dotted Blue, Gorgon Copper, Gray Hairstreak, Great Copper, Mormon Metalmark, Purplish Copper, Texas Striped Sweat Bee
Eriophyllum confertiflorum var. confertiflorum	golden yarrow	Subshrub or shrub 8-10 inches tall; hot, dry hillsides or well-drained soils	Perennials	Full Sun	Low	Yellow	American Lady, Arizona-Small-Carpenter, Field Crescent
Eriophyllum jepsonii	Jepson's woolly sunflower		Shrubs	Full Sun, Part Shade	Low, Mod	Yellow	American Lady
Eriophyllum lanatum var. achilleoides	woolly sunflower	Herbaceous perennial 4-40 inches tall; partial shade, some moisture	Perennials	Full Sun, Part Shade	Low	Yellow	American Lady, Field Crescent
Eriophyllum staechadifolium	seaside woolly sunflower		Shrubs	Full Shade, Part Shade	Low, Mod	Yellow	American Lady
Eryngium articulatum	beethistle		Perennials	Full Sun		Purple	Anise Swallowtail, Black-Tailed-Bumble-Bee
Eryngium jepsonii	coyote-thistle	Perennial herb 0.3-2 feet tall; moist clay; winter dormant	Perennials	Full Sun, Part Shade	Low, Mod	Green	Black-Tailed-Bumble-Bee
Erysimum capitatum	western wallflower	Perennial herb 6-10 inches tall; well-drained sites; winter dormant	Perennials	Full Sun, Part Shade	Low, Mod	Orange	Cabbage White, Cloudless Sulfur, Large Marble, Sara Orangetip, Spring White
Erythranthe cardinalis	scarlet monkeyflower	Perennial herb 2 feet tall; moist conditions, winter dormant	Perennials	Full Sun, Part Shade	Mod	Red
Erythranthe guttata	seep monkeyflower	Perennial herb 1-3 feet tall; moist conditions, winter dormant	Perennials	Full Sun, Part Shade	High	Yellow	Common Buckeye, Edith's Checkerspot, Field Crescent, Mylitta Crescent, Variable Checkerspot
Euthamia occidentalis	western goldenrod	Perennial herb 3-6 feet tall; spreading; moist sites, winter dormant	Perennials	Full Sun	Mod	Yellow	American Lady, Field Crescent
Festuca californica	California fescue	Perennial grass 1.5-4 feet tall; clumping, sun to partial shade, dry soils	Grasses	Full Sun, Part Shade	Low, Mod, Very low	Inconspicuous	Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Sonoran Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Festuca idahoensis	Idaho fescue		Grasses				Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Sonoran Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Festuca octoflora	six-week's fescue		Grasses				Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Sonoran Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Festuca rubra	red fescue	Perennial grass 1-3 feet tall; rhizomatous, many site conditions	Grasses	Full Sun, Part Shade	Low, Mod	Inconspicuous	Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Sonoran Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Fragaria vesca	wood strawberry	Perennial herb 4-6 inches tall; evergreen in shade	Perennials	Full Shade, Full Sun, Part Shade	Low	White	Common Hairstreak, Two Banded Checkered Skipper
Frangula californica var. californica	California coffeeberry	Evergreen shrub 6-15 feet tall; grows in many garden conditions	Shrubs	Full Sun, Part Shade	Low	Green	Common Hairstreak, Gray Hairstreak, Pale Swallowtail
Grindelia camporum	gumplant	Perennial herb 1-3 feet tall; sunny conditions, winter dormant	Perennials	Full Sun	Low, Mod, Very low	Yellow	American Lady, Ligated-Furrow-Bee, Pacific-Coast-Small-Carpenter, Sunflower-Chimney-Bee
Grindelia hirsutula	hairy gumplant	Perennial herb 0.6-3 feet tall; sunny donditions, winter dormant	Perennials	Full Sun	Low	Yellow	American Lady, Apical-Leafcutter-Bee, Davidson's-Resin-Bee, Field Crescent, Flat-tailed-Leafcutter-Bee, Horn-faced Leafcutter Bee, Ligated-Furrow-Bee, Los-Angeles-Resin-Bee, Orange-legged-Furrow-Bee, Pacific Green Small-Mason, Pacific-Coast-Small-Carpenter, Parallel-Leafcutter-Bee, Red-footed Sharptail, Silver-tailed-Petalcutter-Bee, Spotted Woolcarder, Sunflower-Chimney-Bee, Tansymustard Sweat Bee, Texas Striped Sweat Bee, Tripartite Sweat Bee, Western Leafcutter Bee, Western-Honey-Bee, Wide-striped Sweat Bee, Yellow-faced-Bumble-Bee
Grindelia stricta var. angustifolia	marsh gumplant	Perennial herb 1-2 feet tall; brackish marshy sites; winter dormant	Perennials	Full Sun	Low, Mod	Yellow	American Lady, Apical-Leafcutter-Bee, Black-Tailed-Bumble-Bee, Davidson's-Resin-Bee, Field Crescent, Horn-faced Leafcutter Bee, Ligated-Furrow-Bee, Los-Angeles-Resin-Bee, Orange-legged-Furrow-Bee, Pacific Green Small-Mason, Pacific-Coast-Small-Carpenter, Parallel-Leafcutter-Bee, Red-footed Sharptail, Silver-tailed-Petalcutter-Bee, Spotted Woolcarder, Sunflower-Chimney-Bee, Tansymustard Sweat Bee, Texas Striped Sweat Bee, Tripartite Sweat Bee, Western Leafcutter Bee, Western-Honey-Bee, Wide-striped Sweat Bee, Yellow-faced-Bumble-Bee
Helenium bigelovii	Bigelow's sneezeweed		Perennials			Yellow	Dainty Sulphur
Helenium puberulum	sneezeweed	Perennial herb 1-2.5 feet tall; sunny, moist sites; winter dormant	Perennials	Full Sun, Part Shade	Mod	Yellow	American Lady, Dainty Sulphur, Horn-faced Leafcutter Bee, Melissodes-robustior, Pacific Green Small-Mason, Red-footed Sharptail, Spotted Woolcarder, Western Blue Orchard Bee, Western Leafcutter Bee
Helianthus annuus	sunflower		Annuals			Yellow	American Lady, Apical-Leafcutter-Bee, Davidson's-Resin-Bee, Field Crescent, Flat-tailed-Leafcutter-Bee, Horn-faced Leafcutter Bee, Ligated-Furrow-Bee, Los-Angeles-Resin-Bee, Milbert's Tortoiseshell, Orange-legged-Furrow-Bee, Pacific Green Small-Mason, Pacific-Coast-Small-Carpenter, Painted Lady, Parallel-Leafcutter-Bee, Red-footed Sharptail, Silver-tailed-Petalcutter-Bee, Spotted Woolcarder, Sunflower-Chimney-Bee, Texas Striped Sweat Bee, Tripartite Sweat Bee, Western Blue Orchard Bee, Western Leafcutter Bee, Western-Honey-Bee, Western-Oblique-Longhorn, Wide-striped Sweat Bee
Helianthus californicus	California sunflower	Perennial herb, 3-12 feet tall; sunny, moist conditions, fall dormant	Perennials	Full Sun, Part Shade	Low, Mod, Very low	Yellow	American Lady, Field Crescent, Milbert's Tortoiseshell, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee
Helianthus gracilentus	slender sunflower		Perennials				American Lady, Field Crescent, Milbert's Tortoiseshell, Pacific-Coast-Small-Carpenter, Painted Lady, Sunflower-Chimney-Bee
Heracleum maximum	cow parsnip	Perennial herb 3-9 feet tall; sunny, moist sites, fall dormant	Perennials	Full Sun, Part Shade	Low, Mod	White	American Lady, Anise Swallowtail
Heterotheca grandiflora	telegraph weed		Annuals				American Lady, Arizona-Small-Carpenter, Field Crescent
Heterotheca sessiliflora subsp. bolanderi	Bolander goldenaster	Perennial herb 6-12 inches tall; evergreen, sunny sites	Perennials	Full Sun, Part Shade	Low, Very low	Yellow	American Lady, Field Crescent
Heterotheca sessiliflora subsp. echioides	bristly goldenaster	Perennial herb 6-30 inches tall; creeping; open, rocky, sunny sites	Perennials	Full Sun, Part Shade	Very low	Yellow	American Lady, Field Crescent
Hieracium albiflorum	white hawkweed	Perennial herb 1-3 feet tall; dry shade	Perennials	Part Shade	Low, Mod, Very low	White	American Lady, Field Crescent
Holodiscus discolor var. discolor	oceanspray	Deciduous shrub 3-18 feet tall; full or partial sun,some summer moisture	Shrubs	Full Sun, Part Shade	Mod	Cream	Echo Azure, Lorquin's Admiral, Pale Swallowtail
Hordeum brachyantherum subsp. brachyantherum	meadow barley	Perennial grass up to 3 feet tall; loosely clumping, prefers moist clay soil	Grasses	Part Shade	Low, Mod	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Hordeum jubatum subsp. jubatum	foxtail barley		Grasses				Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Jaumea carnosa	marsh jaumea	Perennial herb, 3-4 inches tall; evergreen, salt marshes	Perennials	Full Sun	Mod	Yellow	American Lady, Field Crescent
Koeleria macrantha	June grass	Perennial grass 0.6-2.5 feet tall; clumping, many site conditions	Grasses	Full Sun, Part Shade	Low, Mod, Very low	Inconspicuous	Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Lupinus albifrons var. albifrons	bush lupine	Evergreen shrub 3 feet tall; well-drained sun to partial shade	Shrubs	Full Sun, Part Shade	Low, Mod	Purple	Acmon Blue, Allen's-Hummingbird, American Lady, Anna's-Hummingbird, Behr's Silvery Blue, Bell's-Sparrow, Black-throated-Gray-Warbler, Boisduval's Blue, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California-Thrasher, California-Towhee, Calliope-Hummingbird, Cassin's-Vireo, Cedar-Waxwing, Chipping-Sparrow, Common Hairstreak, Common Sulfur, Common-Yellowthroat, Dark-eyed-Junco, Eastern Tailed Blue, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Gray Hairstreak, Great-tailed-Grackle, Hermit-Warbler, Hutton's-Vireo, Lark-Sparrow, Lincoln's-Sparrow, MacGillivray's-Warbler, Marine Blue, Nashville-Warbler, Northern-Mockingbird, Orange Sulphur, Orange-crowned-Warbler, Painted Lady, Persius Duskywing, Red-winged-Blackbird, Rufous-crowned-Sparrow, Rufous-Hummingbird, Savannah-Sparrow, Silvery Blue, Song-Sparrow, Spotted-Towhee, Townsend's-Warbler, Tricolored-Blackbird, Warbling Vireo, Western Tailed Blue, Western-Meadowlark, White-crowned-Sparrow, White-haired-Monk-Longhorn, White-throated-Sparrow, Wilson's-Warbler, Yellow-rumped-Warbler, Yellow-Warbler
Lupinus bicolor	miniature lupine		Annuals	Full Sun		Blue, White	Acmon Blue, common-sulphur, Eastern Tailed Blue, Gray Hairstreak, Orange Sulphur, Painted Lady, Persius Duskywing, Silvery Blue, White-haired-Monk-Longhorn
Lupinus formosus var. formosus	summer lupine	Perennial herb 1-2 feet tall; full sun; purple flowers; grows in dry clay soils	Perennials	Full Sun	Very low	Purple	Acmon Blue, Boisduval's Blue, common-sulphur, Eastern Tailed Blue, Gray Hairstreak, Orange Sulphur, Painted Lady, Persius Duskywing, Silvery Blue, Western-Honey-Bee, White-haired-Monk-Longhorn
Lupinus latifolius var. latifolius	wood lupine	Perennial herb 3-4 feet tall; partial shade, slightly moist	Perennials	Full Sun, Part Shade	Mod	Blue	Acmon Blue, American Lady, Behr's Silvery Blue, Common Hairstreak, Common Sulfur, Eastern Tailed Blue, Gray Hairstreak, Marine Blue, Orange Sulphur, Painted Lady, Persius Duskywing, Silvery Blue, Western Tailed Blue, White-haired-Monk-Longhorn
Lupinus microcarpus var. microcarpus	chick lupine		Annuals	Full Sun, Part Shade		Blue, Lavender	Acmon Blue, common-sulphur, Eastern Tailed Blue, Gray Hairstreak, Orange Sulphur, Painted Lady, Persius Duskywing, Silvery Blue, White-haired-Monk-Longhorn
Malacothamnus fremontii	white-coat mallow	Shrub 2-4 feet tall; full sun; whitish leaves, pink flowers; deer resistant	Shrubs	Full Sun	Very low	Pink	American Lady, Common Checkered Skipper, Common Hairstreak, Northern White-Skipper, Painted Lady, West Coast Lady
Melica californica	California melic	Perennial grass 0.6-1.5 feet tall; clumping, many habitats	Grasses	Full Sun, Part Shade	Low, Very low	Inconspicuous	California Ringlet, Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Melica imperfecta	small-flower melic	Perennial grass, 1-3 feet tall; clumping, dry sun to partial shade	Grasses	Full Sun, Part Shade	Low, Very low	Inconspicuous	California Ringlet, Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Melica torreyana	Torrey's melic	Perennial grass 1 foot tall, nodding; clumping, dry to moist shade	Grasses	Full Shade, Part Shade	Low	Inconspicuous	California Ringlet, Columbian Skipper, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Monardella villosa subsp. villosa	coyote-mint	Perennial herb 0.5-2 feet tall; dry, rocky sites, evergreen in partial shade	Perennials	Full Sun, Part Shade	Low, Very low	Pink, Purple	Allen's-Hummingbird, Anna's-Hummingbird, Bell's-Sparrow, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California Dogface, California Mountain-Digger Bee, California-Bumble-Bee, California-Thrasher, California-Towhee, Calliope-Hummingbird, Cassin's-Vireo, Cedar-Waxwing, Chipping-Sparrow, Common-Yellowthroat, Crotch's-Bumble-Bee, Dark-eyed-Junco, Fox-Sparrow, Golden-crowned-Sparrow, Golden-Northern-Bumble-Bee, Grasshopper-Sparrow, Great-tailed-Grackle, Hermit-Warbler, Hutton's-Vireo, Lark-Sparrow, Lincoln's-Sparrow, MacGillivray's-Warbler, Nashville-Warbler, Northern-Mockingbird, Orange-crowned-Warbler, Red-belted-Bumble-Bee, Red-winged-Blackbird, Rufous-crowned-Sparrow, Rufous-Hummingbird, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Townsend's-Warbler, Tricolored-Blackbird, Van-Dyke's-Bumble-Bee, Warbling Vireo, Western Tiger Swallowtail, Western-Meadowlark, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-faced-Bumble-Bee, Yellow-rumped-Warbler, Yellow-Warbler
Osmorhiza berteroi	wood cicely	Perennial herb 1-4 feet tall; moist shade	Perennials	Full Sun, Part Shade	Mod	White	Anise Swallowtail
Penstemon heterophyllus var. heterophyllus	chaparral penstemon	Perennial herb 2 feet tall; sunny, dry rocky sites	Perennials	Full Sun, Part Shade	Low, Mod	Purple	Black-Tailed-Bumble-Bee, Blue-Orchard-Bee, California-Bumble-Bee, Colorado-Mason, Common Buckeye, Crotch's-Bumble-Bee, Edith's Checkerspot, Golden-Northern-Bumble-Bee, Red-belted-Bumble-Bee, Van-Dyke's-Bumble-Bee, Variable Checkerspot, Western Blue Orchard Bee, Western-Honey-Bee, White-haired-Monk-Longhorn, Yellow-faced-Bumble-Bee
Penstemon heterophyllus var. purdyi	foothill penstemon	Perennial herb 2 feet tall; sunny, dry rocky sites	Perennials	Full Sun, Part Shade	Low	Purple	Black-Tailed-Bumble-Bee, Blue-Orchard-Bee, California-Bumble-Bee, Colorado-Mason, Common Buckeye, Crotch's-Bumble-Bee, Edith's Checkerspot, Golden-Northern-Bumble-Bee, Red-belted-Bumble-Bee, Van-Dyke's-Bumble-Bee, Variable Checkerspot, Western Blue Orchard Bee, Western-Honey-Bee, White-haired-Monk-Longhorn, Yellow-faced-Bumble-Bee
Perideridia californica	California yampah		Perennials	Full Sun	Mod	White	Anise Swallowtail
Perideridia kelloggii	yampah	Perennial herb 2-5 feet tall; full or partial sun, winter dormant	Perennials	Full Sun, Part Shade	Low, Mod	White	Anise Swallowtail
Persicaria amphibia	water smartweed		Perennials	Full Sun, Part Shade		Pink	Acmon Blue, Gray Hairstreak, Great Copper, Purplish Copper, Western-Honey-Bee
Plantago erecta	dwarf plantain	Annual herb 1-5 inches tall; covered in white hairs; grows in open, bare soil	Annuals				Bay Checkerspot, Common Buckeye, Edith's Checkerspot, Painted Lady, Variable Checkerspot
Plantago subnuda	naked plantain	Perennial herb 1-2 feet tall; full sun; brown flowers; moist places	Perennials	Full Sun		Brown	Common Buckeye, Edith's Checkerspot, Painted Lady, Variable Checkerspot
Platanus racemosa	western sycamore	Deciduous tree 80-100 feet tall; full sun; well-drained soils; deer resistant	Trees	Full Sun	Mod	Brown	Two Tailed Swallowtail, Western Tiger Swallowtail
Poa secunda subsp. secunda	one-sided blue grass	Perennial grass 0.5-3 feet tall, clumping, dry sun to partial shade	Grasses	Full Sun	Low, Very low	Inconspicuous	Columbian Skipper, Common Ringlet, Common Wood-Nymph, Eufala Skipper, Fiery Skipper, Great Basin Wood Nymph, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Polygala californica	California milkwort		Perennials	Full Shade, Part Shade		Pink, Purple	Great Copper, Purplish Copper
Pseudognaphalium californicum	California everlasting	Perennial herb 0.5-4 feet tall; full sun or partial shade, some water	Perennials	Full Sun	Low, Very low	White	American Lady, Field Crescent
Pseudognaphalium ramosissimum	pink everlasting	Perennial herb 1.5-4 feet tall; full sun; scented; grows on dry, open slopes	Annuals	Full Sun		White	American Lady, Field Crescent
Quercus agrifolia var. agrifolia	coast live oak	Evergreen tree 30-75 feet tall; needs summer-dry soil once established	Trees	Full Shade, Full Sun, Part Shade	Low, Very low	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus berberidifolia	scrub oak	Evergreen tree or shrub 3-10 feet tall; full sun or part shade; deer resistant	Trees	Full Sun, Part Shade	Low	Yellow	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus chasei	gander oak		Trees				California Hairstreak, California Sister, Propertius Duskywing
Quercus chrysolepis	canyon live oak	Evergreen tree 60-100 feet tall; dry, rocky soils in inland areas	Trees	Full Shade, Full Sun, Part Shade	Low, Very low	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus douglasii	blue oak	Deciduous tree 30-60 feet tall; needs dry, well-drained inland sites	Trees	Full Sun, Part Shade	Low, Very low	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus durata var. durata	leather oak		Trees				California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus kelloggii	California black oak	Deciduous tree to 80 feet tall; needs shaded canyons or full sun	Trees	Full Shade, Full Sun, Part Shade	Low	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus lobata	valley oak	Large, deciduous tree 60-100 feet tall; grows in deep, well-drained soils	Trees	Full Sun	Low, Mod	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus palmeri	Palmer's oak		Trees				California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus parvula var. shrevei	Shreve oak	Evergreen shrub 3-30 feet tall; similar to interior live oak; moist woodland	Trees	Full Sun, Part Shade	Low Water		California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus wislizeni var. frutescens	interior live oak		Trees				California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Quercus wislizeni var. wislizeni	interior live oak	Evergreen shrub 6-20 feet tall; slow-growing, needs good drainage	Trees	Full Sun, Part Shade	Low, Very low	Inconspicuous	California Hairstreak, California Sister, Gold Hunter's Hairstreak, Golden Hairstreak, Lorquin's Admiral, Mournful Duskywing, Propertius Duskywing, Sleepy Duskywing, Western Tiger Swallowtail
Ribes aureum var. gracillimum	golden currant		Shrubs				Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes californicum var. californicum	hillside gooseberry	Deciduous shrub 6-8 feet tall; partial shade or full sun	Shrubs	Full Sun, Part Shade	Low	Red	Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes divaricatum var. pubiflorum	straggly gooseberry		Shrubs				Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes malvaceum var. malvaceum	chaparral currant	Deciduous shrub 6-8 feet tall; dry, well-drained soils, full or partial sun	Shrubs	Part Shade	Low	Pink	Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes menziesii	canyon gooseberry	Deciduous shrub 3 feet tall or more; summer water if good drainage	Shrubs	Full Shade	Low	Red	Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes quercetorum	oak gooseberry		Shrubs				Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes sanguineum var. glutinosum	pink-flowering currant	Deciduous shrub up to 10 feet tall; partial shade to full sun	Shrubs	Full Shade, Part Shade	Low	Pink	Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Ribes speciosum	fuchsia-flowered gooseberry		Shrubs	Full Sun, Part Shade	Low, Very low	Pink, Red	Hoary Comma, Milbert's Tortoiseshell, Oreas Comma, satyr-comma, Tailed Copper, White-haired-Monk-Longhorn
Rumex occidentalis	western dock	Perennial herb 3-5 feet tall; grows in most conditions with extra water	Perennials	Full Sun	High	Inconspicuous	Great Copper, Purplish Copper
Rumex salicifolius	willow dock		Perennials	Full Sun, Part Shade	Mod	Green	Gray Hairstreak, Great Copper, Purplish Copper
Rupertia physodes	California tea	Perennial herb 2 feet high; evergreen, partial shade	Perennials	Full Sun, Part Shade	Mod	Cream	Common Sulfur
Salix exigua var. hindsiana	narrow-leaved willow		Trees				Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Salix gooddingii	Goodding's black willow	Deciduous tree to 90 feet tall; needs summer water	Trees	Full Sun	Mod	Inconspicuous	Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Salix laevigata	red willow	Deciduous shrub or tree, 10-50 feet tall; needs summer water	Shrubs	Full Sun, Part Shade	Mod	Inconspicuous	Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Salix lasiandra var. lasiandra	Pacific willow	Deciduous shrub or small tree up to 30 feet tall; needs summer water	Shrubs	Full Sun, Part Shade	Mod	Inconspicuous	Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Salix lasiolepis	arroyo willow	Deciduous shrub or small tree up to 30 feet tall; needs summer water	Shrubs	Full Sun	Mod	Inconspicuous	Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Salix scouleriana	Scouler's willow	Deciduous shrub or slender tree up to 30 feet tall; needs summer water	Shrubs	Full Sun, Part Shade	Mod	Inconspicuous	Dryope Hairstreak, Lorquin's Admiral, Milbert's Tortoiseshell, Mourning Cloak, Oreas Comma, Pacific-Coast-Small-Carpenter, Persius Duskywing, satyr-comma, Sylvan Hairstreak, Two Tailed Swallowtail, Western Tiger Swallowtail, White-haired-Monk-Longhorn
Sanicula bipinnatifida	purple sanicle		Perennials	Part Shade	Very low	Purple	Anise Swallowtail
Sanicula crassicaulis	Pacific sanicle	Perennial herb 0.7-2 feet tall; dry shade, fall-winter dormant	Perennials	Part Shade	Low, Mod	Yellow	Anise Swallowtail
Sanicula tuberosa	tuberous sanicle		Perennials	Full Sun, Part Shade	Low	Yellow	Anise Swallowtail
Scrophularia californica	bee plant	Perennial herb 2-5 feet tall; full or partial sun, a little water	Perennials	Full Sun, Part Shade	Low, Mod	Red	Allen's-Hummingbird, Anna's-Hummingbird, Bay Checkerspot, Bell's-Sparrow, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California-Thrasher, California-Towhee, Calliope-Hummingbird, Cassin's-Vireo, Cedar-Waxwing, Chipping-Sparrow, Common Buckeye, Common-Yellowthroat, Dark-eyed-Junco, Fox-Sparrow, Golden-crowned-Sparrow, Golden-haired-Miner-Bee, Grasshopper-Sparrow, Great-tailed-Grackle, Hermit-Warbler, Hutton's-Vireo, Lark-Sparrow, Leanira Checkerspot, Lincoln's-Sparrow, MacGillivray's-Warbler, Nashville-Warbler, Northern-Mockingbird, Orange-crowned-Warbler, Red-winged-Blackbird, Rufous-crowned-Sparrow, Rufous-Hummingbird, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Townsend's-Warbler, Tricolored-Blackbird, Variable Checkerspot, Warbling Vireo, Western-Meadowlark, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-rumped-Warbler, Yellow-Warbler
Senecio aronicoides	rayless ragwort	Perennial herb 1-3 feet tall; sun or part shade; yellow flowers	Annuals	Full Sun, Part Shade	Low	Yellow	American Lady, Northern Checkerspot, Pacific-Coast-Small-Carpenter, Painted Lady
Senecio hydrophilus	water ragwort	Perennial herb 2-3 feet tall; moist sites	Perennials	Full Sun, Part Shade	High	Yellow	American Lady, Field Crescent, Northern Checkerspot, pacific-coast-small-carpenterpainted-lady
Sidalcea diploscypha	fringed checkerbloom		Annuals				American Lady, Common Checkered Skipper, Common Hairstreak, Gray Hairstreak, Painted Lady, Two Banded Checkered Skipper, West Coast Lady, White Checkered Skipper
Sidalcea malviflora subsp. malviflora	checkerbloom	Perennial herb 1-2 feet tall; dry to slightly moist sites; summer dormant	Perennials	Full Sun, Part Shade	Low, Mod	Pink	American Lady, Common Checkered Skipper, Common Hairstreak, Gray Hairstreak, Painted Lady, Two Banded Checkered Skipper, West Coast Lady, White Checkered Skipper
Solidago elongata	Canadian goldenrod		Perennials	Full Sun		Yellow	Coneflower Masked Bee, Field Crescent, Northern Checkerspot, Sunflower-Chimney-Bee
Solidago velutina subsp. californica	California goldenrod	Perennial herb 1-5 feet tall; full to partial sun, summer water ok	Perennials	Full Shade, Full Sun, Part Shade	Low, Mod, Very low	Yellow	American Lady, Apical-Leafcutter-Bee, Coneflower Masked Bee, Davidson's-Resin-Bee, Field Crescent, Flat-tailed-Leafcutter-Bee, Horn-faced Leafcutter Bee, Los-Angeles-Resin-Bee, Northern Checkerspot, Pacific Green Small-Mason, Parallel-Leafcutter-Bee, Red-footed Sharptail, Silver-tailed-Petalcutter-Bee, Spotted Woolcarder, Sunflower-Chimney-Bee, Texas Striped Sweat Bee, Tripartite Sweat Bee, Western Blue Orchard Bee, Western Leafcutter Bee, Western-Honey-Bee, Wide-striped Sweat Bee
Stipa cernua	nodding needlegrass	Perennial grass to 3 feet tall; clumping, sunny hillsides	Grasses	Full Sun, Part Shade	Low	Inconspicuous	Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Stipa lepida	foothill needlegrass	Perennial grass 1-3 feet tall; clumping, full sun to light shade	Grasses	Full Shade, Full Sun, Part Shade	Low, Very low	Inconspicuous	Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Stipa pulchra	purple needlegrass	Perennial grass 2-3 feet tall; clumping, dry sun to shade in many sites	Grasses	Full Sun	Low, Very low	Inconspicuous	Columbian Skipper, Common Ringlet, Eufala Skipper, Fiery Skipper, Juba Skipper, Lindsey's Skipper, Roadside Skipper, rural-skipper, Sachem, Sandhill Skipper, Tilden's Skipper, Umber Skipper, Woodland Skipper, Yuma Skipper
Symphoricarpos albus var. laevigatus	snowberry	Deciduous shrub, 2-7 feet tall; dry shade or light summer water	Shrubs	Full Shade, Part Shade	Low, Mod	Pink	Variable Checkerspot
Symphoricarpos mollis	creeping snowberry	Deciduous ground cover up to 3 feet tall; dry shade	Shrubs	Full Shade, Part Shade	Low	Pink	Acorn-Woodpecker, American-Crow, American-Robin, Bell's-Sparrow, Bewick's-Wren, Black-headed-Grosbeak, Black-throated-Gray-Warbler, Brewer's-Blackbird, Brown-headed-Cowbird, Bullock's-Oriole, California-Scrub-Jay, California-Thrasher, California-Towhee, Canyon-Wren, Cassin's-Vireo, Cedar-Waxwing, Chestnut-backed-Chickadee, Chipping-Sparrow, Common-Raven, Common-Yellowthroat, Dark-eyed-Junco, Downy-Woodpecker, Fox-Sparrow, Golden-crowned-Sparrow, Grasshopper-Sparrow, Great-tailed-Grackle, Hairy Woodpecker, Hermit-Thrush, Hermit-Warbler, House-Wren, Hutton's-Vireo, Lark-Sparrow, Lazuli-Bunting, Lewis's-Woodpecker, Lincoln's-Sparrow, MacGillivray's-Warbler, Marsh-Wren, Mountain-Bluebird, Nashville-Warbler, Northern-Flicker, Northern-Mockingbird, Nuttall's-Woodpecker, Oak-Titmouse, Orange-crowned-Warbler, Pacific-Wren, Pileated-Woodpecker, Pygmy-Nuthatch, Red-breasted-Nuthatch, Red-breasted-Sapsucker, Red-winged-Blackbird, Rock-Wren, Rufous-crowned-Sparrow, Savannah-Sparrow, Song-Sparrow, Spotted-Towhee, Steller's-Jay, Swainson's-Thrush, Townsend's-Warbler, Tricolored-Blackbird, Variable Checkerspot, Varied-Thrush, Warbling Vireo, Western-Bluebird, Western-Meadowlark, Western-Tanager, White-breasted-Nuthatch, White-crowned-Sparrow, White-throated-Sparrow, Wilson's-Warbler, Yellow-bellied-Sapsucker, Yellow-billed-Magpie, Yellow-rumped-Warbler, Yellow-Warbler
Symphyotrichum chilense	California aster	Perennial herb 1.3-3 feet tall; spreading, many site conditions	Perennials	Full Sun, Part Shade	Low, Mod, Very low	Pink	American Lady, Apical-Leafcutter-Bee, Davidson's-Resin-Bee, Field Crescent, Flat-tailed-Leafcutter-Bee, Horn-faced Leafcutter Bee, Ligated-Furrow-Bee, Los-Angeles-Resin-Bee, Northern Checkerspot, Orange-legged-Furrow-Bee, Parallel-Leafcutter-Bee, Silver-tailed-Petalcutter-Bee, Texas Striped Sweat Bee, Tripartite Sweat Bee, Western Leafcutter Bee, Western-Honey-Bee, Wide-striped Sweat Bee, Yellow-faced-Bumble-Bee
Symphyotrichum lentum	Suisun Marsh aster	Perennial herb up to 5 feet tall; spreading, grows in wet sites	Perennials	Full Sun, Part Shade	Mod	Purple	American Lady, Field Crescent, Northern Checkerspot
Tauschia hartwegii	Hartweg's tauschia	Perennial herb 1-3 feet tall; full to partial shade	Perennials	Full Sun, Part Shade	Low	Yellow	Anise Swallowtail
Urtica dioica subsp. holosericea	stinging nettle	Perennial herb 4-12 feet tall; moist or partial shade; winter dormant	Perennials	Full Sun, Part Shade	Mod	Inconspicuous	American Lady, Milbert's Tortoiseshell, Painted Lady, Red Admiral, satyr-comma, West Coast Lady
Vaccinium ovatum	California huckleberry	Evergreen shrub 2-7 feet tall; cool sun or partial shade	Shrubs	Full Sun, Part Shade	Low	White	Brown Elfin
Vicia americana	American vetch		Vines				Common Hairstreak, Common Sulfur, Eastern Tailed Blue, northern-cloudywing, Orange Sulphur, Silvery Blue, Western Tailed Blue
Vicia gigantea	giant vetch		Vines				Common Hairstreak, Common Sulfur, Eastern Tailed Blue, northern-cloudywing, Orange Sulphur, Silvery Blue, Western Tailed Blue
Wyethia angustifolia	narrowleaf mule's ears	Perennial herb 2 feet tall; full sun in grassland, winter dormant	Perennials	Full Sun	Low	Yellow	Painted Lady
Wyethia glabra	mule's ears	Perennial herb up to 3 feet tall; sun to partial shade, summer dormant	Perennials	Full Shade	Low	Yellow	Painted Lady
Wyethia helenioides	woolly mule's ears	Perennial herb 1-2 feet tall; full sun or part shade; yellow flowers	Perennials	Full Sun, Part Shade	Low	Yellow

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