Woodland Skipper Ochlodes sylvanoides Hesperiidae Skippers Flies June to November Host Plant Grass Nectar Plant Yellow starthistle Daniel Fitzgerald Daniel Fitzgerald Interior Underwing Daniel Fitzgerald Coastal Underwing

Wildflower Mount Diablo Ruby Chalice Clarkia Scientific Name: Clarkia rubicunda Family: Onagraceae (Evening Primrose Family) Blooms: May-Aug Color: Red-Pink Annual herb, endemic to California Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald Daniel Fitzgerald

Ashmeadiella Ashmeadiella Megachilidae Ashmeadiella Describe your image Describe your image Describe your image Describe your image Describe your image Describe your image Description Burly, non-metallic bee with a black head and thorax, and pale stripes on abdomen. Some Ashmeadiella have red abdomens. It has a smooth anterior surface of the thorax separated from the thoracic sides by a sharp ridge, and the back part is hairy and pitted. Small bees – 6 mm in length. Ashmeadiella have an arolium pad between leg tarsal claws (unlike Megachile ). Nectar/ Pollen Plants Many Ashmeadiella are generalist bees, but a few species are associated with specific plants. Habits These bees nest in wood, soil, stems, or spaces under rocks. Some use leaves and petals, bound with nectar, resin, sap, or gum, in nests to separate cells. Season Summer

Wildflower Mount Diablo Diablo Range Dudleya Scientific Name: Dudleya cymosa paniculata Family: Crassulaceae (Stonecrop Family) Blooms: Apr-Jul Color: Yellow-Orange Perennial herb Native, endemic to California Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants

Wildflower Mount Diablo Seep monkey flower Scientific Name: Erythranthe guttata Family: Phrymaceae Blooms: Apr-Jun Color: Yellow-Orange annual or perennial herb (rhizomatous) Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Smith

Wildflower Mount Diablo Mule Fat Scientific Name: Baccharis salicifolia Family: Asteraceae (Sunflower Family) Blooms: All year Color: White Shrub Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Ken-ichi Ueda, iNaturalist

Wildflower Mount Diablo Purple False Gilia Scientific Name: Allophyllum giliodes Family: Polemoniaceae Blooms: Apr - Jun Color: Blue-Purple Annual herb Native, endemic to California Also found as Allophyllum divaricatum. Typically located in Foothill Woodland and Chaparral. Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Beatty Steve Beatty Leaf detail

Native wildflowers Mount Diablo Summit Wildflowers Plants of the Summit and Mary Bowerman Trail Prev 1 2 3 ... 11 1 ... 1 2 3 4 5 6 7 8 9 10 11 ... 11 Next Ashy Silk Tassel Garrya flavescens Bird's Foot Trefoil Lotus corniculatus Bitterroot Lewisia rediviva var. rediviva Black Mustard Brassica nigra Blue Dicks Dichelostemma capitatum ssp. capitatum Blue Elderberry Sambucus mexicana Blue Skullcap Scutellaria tuberosa Blue Witch, Nightshade Solanum umbelliferum Blue-eyed Mary Collinsia sparsiflora Brewer's Phacelia Phacelia breweri Buck Lotus (Yellow) Hosackia crassifolia Buck Lotus, Big Deervetch Hosackia crassifolia Prev 1 2 3 ... 11 1 ... 1 2 3 4 5 6 7 8 9 10 11 ... 11 Next Up Jump to Wildflower Guide Blooming Now Native Plants

Wildflower Mount Diablo Broadleaf Filaree, Grape Storksbill, Long-beaked Filaree Scientific Name: Erodium botrys Family: Geraniaceae (Geranium Family) Blooms: Mar Color: Red-Pink Annual herb Introduced Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Hema Shah

Wildflower Mount Diablo Chaparral Harebell Scientific Name: Ravenella exigua Family: Campanulaceae (Bell flower Family) Blooms: May - Jun Color: Blue-Purple Annual herb Native, endemic to California This plants is rare in Mount Diblo 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

Osmia Mason Bee Osmia Megachilidae Osmia Describe your image Describe your image Describe your image Describe your image Describe your image Describe your image Description Osmia are bees with a metallic sheen, often blue, purple, green, or black. Female bees carry pollen in abdominal scopa (see above, left). Osmia tend to have compact bodies, and have an arolium pad between their front leg tarsal claws, unlike Megachile . Their forewings have 2 submarginal cells, a big stigma and a long prestigma. Nectar/ Pollen Plants Osmia are generalists, and include pollen collection from oaks, Rosaceae plants (such as berries, apples) and many others. Some are important agricultural pollinators, visiting many flowers per trip. Osmia ribifloris biedermannii Habits Solitary, they nest in hollowed out stems, tubes, wall crevices. Use mud in nest-building to create partitions, hence “mason.” Eggs that become female bees are laid deeper in the tube, and hatch last. Season Primarily April - June, but Osmia ribifloris biedermanniiappears from January.