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Mount Diablo Sunflower
Scientific Name:
Helianthella castanea
Family:
Asteraceae (Sunflower Family)
Blooms:
Apr - Jun
Color:
Yellow-Orange
Perennial herb
Native, endemic to California
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere). This plant is rare in Mount Diablo State Park. See full list
Kevin Hintsa
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