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Wildflower Mount Diablo Pineapple Weed Scientific Name: Matricaria discoidea Family: Asteraceae (Sunflower Family) Blooms: Mar - Apr Color: Yellow-Orange Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Foothill Ash Scientific Name: Fraxinus dipetala Family: Oleaceae Blooms: Mar-Jun Color: White Tree or Shrub Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steven Beatty

Checkered White Pontia protodice Pieridae Whites, Sulfurs Flies All year Host Plant Mustard Family, Wild Radish, Peppergrass Nectar Plant Daniel Fitzgerald Summer Male Daniel Fitzgerald Spring Female Daniel Fitzgerald Summer Female Daniel Fitzgerald Summer Male Underwing

Wildflower Mount Diablo Little Robin, Lesser Herb Robert Invasive Scientific Name: Geranium purpureum Family: Geraniaceae (Geranium Family) Blooms: Apr - Sep Color: Red-Pink Annual or biennial herb Introduced Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa

Wildflower Mount Diablo Redstem Filaree Invasive Scientific Name: Erodium cicutarium Family: Geraniaceae (Geranium Family) Blooms: Mar - Jun Color: Red-Pink Annual herb Introduced Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Damon Tighe

Fiery Skipper Hylephila phyleus Hesperiidae Skippers Flies March to December Host Plant Grass Nectar Plant Mustards (sinapis and brassica) Daniel Fitzgerald Female Underwing Arnold Joe Male Hank Fabian Female

Wildflower Mount Diablo Douglas Sandwort, Douglas' Stitchwort Scientific Name: Sabulina douglasii Family: Caryophyllaceae (Pink Family) Blooms: Apr - May Color: White Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Hank Fabian, Ken-ichi Ueda, iNaturalist

Wildflower Mount Diablo Serpentine Bedstraw, Phlox-leafed Bedstraw Scientific Name: Galium andrewsii ssp. gatense Family: Rubiaceae (Madder Family) Blooms: Jun Color: Yellow-Orange Perennial herb Native, endemic to California California Rare Plant Rank: 4.2 (limited distribution ). 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

Wildflower Mount Diablo Small California Gilia Scientific Name: Gilia achilleifolia ssp. multicaulis Family: Polemoniaceae (Phlox Familiy) Blooms: Apr - Jun Color: Blue-Purple Annual herb Native, endemic to California Smaller flowers than California Gilia Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa

Wildflower Mount Diablo Largeleaf Sandwort Scientific Name: Moehringia macrophylla Family: Caryophyllaceae (Pink Family) Blooms: April Color: White Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steven Beatty

Wildflower Mount Diablo Common Chickweed Invasive Scientific Name: Stellaria media Family: Caryophyllaceae (Pink Family) Blooms: Feb - Mar Color: White Annual herb Introduced Native to Europe Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Chaparral Blazing Star, San Luis Stickleaf, Small Flowered Stickleaf Scientific Name: Mentzelia micrantha Family: Loasaceae (Loasa Family) Blooms: May - Jun Color: Yellow-Orange Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Donna Pomeroy, iNaturalist