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Blues, Coppers, Hairstreaks Acmon Blue Icaricia acmon Behr's Silvery Blue Glaucopsyche lygdamus Boisduval's Blue Icaricia icariodes California Hairstreak Satyrium californica Echo Azure Celastrina echo Golden Hairstreak Habrodais grunus Gorgon Copper Lycaena gorgon Gray Hairstreak Strymon melinus Great Copper Lycaena xanthoides Great Purple Hairstreak Atlides halesus Hedgerow Hairstreak Satyrium saepium Lotus Hairstreak Callophrys dumetorum Mountain Mahogany Hairstreak Satyrium tetra Muir's Hairstreak Callophrys muiri Purplish Copper Lycaena helloides Thicket Hairstreak Callophrys spinetorum Western Brown Elfin Callophrys augustinus Western Pygmy-Blue Brephidium exilis

Northern Checkerspot Chlosyne palla Nymphalidae Brushfoots Flies March to July Host Plant Aster Tribe Nectar Plant California buckeye Daniel Fitzgerald Daniel Fitzgerald Underwing

Wildflower Mount Diablo Mount Diablo Bird's-beak Scientific Name: Cordylanthus nidularius Family: Orobanchaceae (Broomrape Family) Blooms: Jun - Jul Color: White Annual herb (hemiparasitic) Native, endemic to California California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere ). This plant is rare in Mount Diablo State Park. See full list Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Sara Orangetip Anthocharis sara Pieridae Whites, Sulfurs Flies January to July Host Plant Mustard Family Nectar Plant Winter cress Daniel Fitzgerald Daniel Fitzgerald Underwing Daniel Fitzgerald

Wildflower Mount Diablo Wind Poppy Scientific Name: Papaver heterophyllum Family: Papaveraceae (Poppy Family) Blooms: Apr - Jun Color: Yellow-Orange Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Coast Range Stonecrop Scientific Name: Sedum radiatum Family: Crassulaceae (Stonecrop Family) Blooms: Color: Yellow-Orange Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Beatty

Wildflower Mount Diablo White Hawkweed Scientific Name: Hieracium albiflorum Family: Asteraceae (Sunflower Family) Blooms: May-Jun Color: White Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald Daniel Fitzgerald

Wildflower Mount Diablo California Chickory Scientific Name: Rafinesquia californica Family: Asteraceae (Sunflower Family) Blooms: April - May Color: White Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steven Beatty Steven Beatty Leaf detail

Open: Saturdays and Sundays Mar - Oct hours: 8 am to 4 pm Nov - Feb hours: 9 am to 3 pm See the Park Location page for directions Download: Mitchell Canyon Trail Interpretive Guide (pdf) Learn more about the new Education Center in Mitchell Canyon Mitchell Canyon Visitor Center Mitchell Canyon | Dereck Love The Mitchell Canyon Vis itor Center is located in Mount Diablo State Park at the south end of Mitchell Canyon Road in Clayton, CA. The visitor center is staffed by State Park volunteers and is supported by the Mount Diablo Interpretive Association, whose main goal is to provide visitors with information so they can better enjoy the Park and its natural wonders. The Center has displays about various aspects of Mount Diablo State Park, including geology, wildlife, trails, and plant life. Clothing, souvenirs, interpretive books and pamphlets are for sale. There are also postcards, note cards, trail maps, and water. A docent is on duty when the Center is open to answer questions and to handle sales of materials. The Center also serves as a meeting point for scheduled group hikes and lectures in Mitchell Canyon. We welcome all visitors to join us in the northern part of the State Park. Mitchell Canyon is a Great Place to Hike Oh, the Species You Can See! Mitchell Canyon features varied habitats with a great diversity of plants and animals. This includes uncommon-to-rare species, disjunct populations (populations separated from other populations of the same species, often by great distances), and endemic species (species not found elsewhere). Near the soon-to-be Mitchell Canyon Education Center, Mitchell Creek winds through riparian habitat, chaparral, oak woodland, grassland, and some pine forest. Each of these habitats has its own population of plants and animals that may not be found in the others. Below are highlights of a few fascinating plants and animals that are found along Mitchell Creek. Will you join us in helping to build the new Mount Diablo Education Center, so that for the first time, school buses can safely bring students from any neighborhood in Contra Costa County to experience the mountain? Donate Today! Mount Diablo Globe Lily, aka Mt. Diablo Fairy Lantern (Calochortus pulchellus) DSandri Wide-striped Painted-Dark Bee (Stelis laticincta, Family Megachilidae) DSandri Mitchell Canyon Education Center Entance Mount Diablo Globe Lily, aka Mt. Diablo Fairy Lantern (Calochortus pulchellus) DSandri 1/10

Wildflower Mount Diablo Velvety Goldenrod Scientific Name: Solidago velutina Family: Asteraceae (Sunflower Family) Blooms: Aug-Oct Color: Yellow-Orange Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald Daniel Fitzgerald Daniel Fitzgerald

Wildflower Mount Diablo Delta Coyote-Thistle Scientific Name: Eryngium jepsonii Family: Apiaceae (Parsley-Carrot Family) Blooms: Apr-Aug Color: White Perennial herb Native Occurs in wetlands. California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere ) per Calflora Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants

Wildflower Mount Diablo Mountain Mahogany Scientific Name: Cercocarpus betuloides var. betuloides Family: Rosaceae (Rose Family) Blooms: Apr Color: Yellow-Orange Tree or shrub Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa