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Rare Plants on Mount Diablo
Only plants with photos are shown. See full list (PDF)
Mount Diablo Jewelflower
Streptanthus hispidus
Mount Diablo Manzanita
Arctostaphylos auriculata
Mount Diablo Phacelia
Phacelia phacelioides
Mount Diablo Sunflower
Helianthella castanea
Oakland Star Tulip
Calochortus umbellatus
Rock Sanicle
Sanicula saxatilis
Serpentine Bedstraw, Phlox-leafed Bedstraw
Galium andrewsii ssp. gatense
Serpentine Collomia
Collomia diversifolia
Small-flowered Monkeyflower
Erythranthe inconspicua
Sulfur Buckwheat
Eriogonum umbellatum var. bahiiforme
Woodland Woolly Threads
Monolopia gracilens
Woolly Sunflower, Common Woolly Sunflower
Eriophyllum lanatum
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