plant scientific plant common butterfly scientific butterfly common Acmispon glaber Deerweed Callophrys perplexa Bramble Hairstreak Acmispon glaber Deerweed Colias eurytheme Orange Sulphur Acmispon glaber Deerweed Erynnis funeralis Funereal Duskywing Acmispon glaber Deerweed Glaucopsyche lygdamus Silvery Blue Acmispon glaber Deerweed Plebejus acmon Acmon Blue Acmispon glaber Deerweed Strymon avalona Avalon Hairstreak Amorpha californica False Indigo Leptotes marina Marine Blue Amorpha californica False indigo Strymon melinus Gray Hairstreak Amorpha californica False Indigo Zerene eurydice California Dogface Amsinckia sp. Fiddleneck Vanessa cardui Painted Lady Antirrhinum sp. Snapdragon Junonia coenia Buckeye Artemisia sp. Sagebrush Vanessa virginiensis American Lady Asclepias californica California Milkweed Danaus plexippus Monarch Asclepias eriocarpa Indian Milkweed Danaus plexippus Monarch Asclepias fascicularis Narrow-leafed Milkweed Danaus plexippus Monarch Astragalus douglasii Douglas's Milkvetch Colias alexandra harfordii Harford's Sulphur Astragalus douglasii Douglas's Milkvetch Cupido amyntula Western Tailed-Blue Atriplex sp. Saltbush Brephidium exilis Western Pygmy Blue Baccharis glutinosa Marsh Baccharis Calephelis nemesis Fatal Metalmark Bebbia juncea Sweetbush Calephelis wrighti Wright's Metalmark Castilleja sp. Indian Paintbrush Chlosyne leanira Leanira Checkerspot Caulanthus lasiophyllus California Mustard Pontia sisymbrii Spring White Ceanothus spp. Buckbrush Celastrina argiolus echo Echo Blue Ceanothus spp. Buckbrush Nymphalis californica California Tortoiseshell Ceanothus spp. Buckbrush Papilio eurymedon Pale Swallowtail Ceanothus spp. Buckbrush Satyrium saepium Hedgerow Hairstreak Cercocarpus betuloides Birchleaf Mountain Mahogany Satyrium tetra Mountain Mahogany Hairsreak Chenopodium berlanderi Pitseed Goosefoot Brephidium exilis Western Pygmy Blue Chenopodium californicum Soaproot Brephidium exilis Western Pygmy Blue Chenopodium rubrum Red Goosefoot Brephidium exilis Western Pygmy Blue Cirsium brevistylum Indian Thistle Vanessa cardui Painted Lady Cirsium occidentale Western Cobweb Thistle Vanessa cardui Painted Lady Cneoridium dumosum Bush Rue Papilio cresphontes Giant Swallowtail Corethrogyne filaginifolia Common Sandaster Chlosyne gabbii Gabb's Checkerspot Cuscuta sp. Dodder Callophrys augustinus Brown Elfin Descurainia pinnata Western Tansy Mustard Pontia protodice Checkered White Distichlis spicata Saltgrass Panoquina errans Wandering Skipper Distichlis spicata Saltgrass Panoquina panoquinoides Obscure Skipper Distichlis spicata Saltgrass Polites sabuleti Sandhill Skipper Dudleya lanceolata Lanceleaf Liveforever Philotes sonorensis Sonoran Blue Encelia californica Bush Sunflower Calephelis nemesis Fatal Metalmark Erigonum elongatum Longstem Buckwheat Lycaena gorgon Gorgon Copper Eriogonum fasciculatum California Buckwheat Apodemia virgulti Behr's Metalmark Eriogonum fasciculatum California Buckwheat Euphilotes bernardino El Segundo Blue Eriogonum fasciculatum California Buckwheat Lycaena gorgon Gorgon Copper Eriogonum fasciculatum California Buckwheat Plebejus icarioides Boisduval's Blue Eriogonum fasciculatum California Buckwheat Strymon avalona Avalon Hairstreak Frangula californica California Coffeeberry Papilio eurymedon Pale Swallowtail Funastrum cynanchoides var. hartwegii Climbing Milkweed Danaus gilippus Queen Gnaphalium sp. Cudweed Vanessa virginiensis American Lady Hazardia squarrosa Sawtooth Goldenbush Chlosyne gabbii Gabb's Checkerspot Heterotheca grandiflora Telegraph Weed Chlosyne gabbii Gabb's Checkerspot Juniperus californica California Juniper Callophrys gryneus loki Juniper Hairstreak Juniperus osteosperma Utah Juniper Callophrys gryneus loki Juniper Hairstreak Keckiella antirrhinoides Chaparral Beardtongue Euphydryas chalcedona Chalcedon Checkerspot Lathyrus vestitus Pacific Pea Glaucopsyche piasus Arrowhead Blue Lepidium densiflorum Common Pepperweed Pontia protodice Checkered White Lepidium virginicum Virginia Pepperweed Pontia protodice Checkered White Lupinus excubitis var hallii Hall's Bush Lupine Plebejus icarioides Boisduval's Blue Malacothamnus fasciculatus Island Bush Mallow Heliopetes ericetorum Northern White Skipper Malvella leprosa Alkali Mallow Pyrgus albescens White Checkered Skipper Mimulus sp. Monkeyflower Euphydryas chalcedona Chalcedon Checkerspot Mimulus sp. Monkeyflower Junonia coenia Buckeye Phoradendron serotinum spp. Tomentosa Pacific Mistletoe Atlides halesus Great Purple Hairstreak Planodes virginicum Common Rock Cress Anthocharis lanceolata Gray Marble Plantago erecta Foothill Plantain Euphydryas editha Quino Checkerspot Plantago erecta Foothill Plantain Junonia coenia Buckeye Platanus racemosa Western Sycamore Papilio rutulus Western Tiger Swallowtail Prosopis sp. Mesquite Echinargus isola alce Reakirt's Blue Prunus ilicifolia Holly-leaf Cherry Papilio eurymedon Pale Swallowtail Quercus agrifolia Coast Live Oak Adelpha californica California Sister Quercus agrifolia Coast Live Oak Erynnis propertius Propertius Dusky-Wing Quercus agrifolia Coast Live Oak Erynnis tristis Mournful Dusky-Wing Quercus chrysolepis Canyon Live Oak Adelpha californica California Sister Quercus chrysolepis Canyon Live Oak Habrodais grunus Golden Hairstreak Rhamnus crocea Redberry Buckthorn Lycaena hermes Hermes Copper Rhamnus crocea Redberry Buckthorn Lycaena hermes Hermes Copper Rhamnus crocea Redberry Buckthorn Papilio eurymedon Pale Swallowtail Ribes californica California Gooseberry Lycaena arota Tailed Copper Rumex californicus California Dock Lycaena helloides Purplish Copper Rumex californicus California Dock Lycaena xanthoides Great Copper Rumex fueginus Golden Dock Lycaena helloides Purplish Copper Rumex fueginus Golden Dock Lycaena xanthoides Great Copper Rumex hymenosepalus Wild Rhubarb Lycaena helloides Purplish Copper Rumex hymenosepalus Wild Rhubarb Lycaena xanthoides Great Copper Rumex persicarioides Golden Dock Lycaena helloides Purplish Copper Rumex persicarioides Golden Dock Lycaena xanthoides Great Copper Rumex utahensis Toothed Willow Dock Lycaena helloides Purplish Copper Rumex utahensis Toothed Willow Dock Lycaena xanthoides Great Copper Salix sp. willow Basilarchia archippus Viceroy Salix sp. willow Limenitis lorquini Lorquin's Admiral Salix sp. willow Nymphalis antiopa Mourning Cloak Salix sp. willow Papilio rutulus Western Tiger Swallowtail Salix sp. willow Satyrium sylvinus Sylvan Hairstreak Scrophularia californica California Figwort Euphydryas chalcedona Chalcedon Checkerspot Tauschia arguta Southern Umbrellawort Papilio indra Indra Swallowtail Tauschia arguta Southern Umbrellawort Papilio zelicaon Anise Swallowtail Turritis glabra Tower Rock Cress Anthocharis sara Sara Orange-Tip Urtica dioica spp. Holoserica Stinging Nettle Vanessa atalanta Red Admiral Urtica holoserica Stinging Nettle Polygonia satyrus Satyr Comma Urtica holoserica Stinging Nettle Vanessa anabella West Coast Lady Viola pedunculata Johnny Jump Up Speyeria callippe Callippe Fritillary Viola purpurea Mountain Violet Speyeria callippe Callippe Fritillary Grasses Coenonympha california Common Ringlet Grasses Hesperia juba Juba Skipper Grasses Lerodea eufala Eufala Skipper Grasses Ochlodes sylvanoides Woodland Skipper Grasses Ocholodes agricola Rural Skipper.