Audio Tours of Mount Diablo
Experience an Audio Tour Here
The tours feature lively interviews and music with the rush of wind and the chirps, howls, and growls of wildlife, all downloadable to an audio video media player

Wildflower Identification Guide

calochortus pulchellus logo mjw

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Rare and Endangered Plants

Sixteen plants listed by the California Native Plant Society (CNPS) as rare or endangered species, or as plants of limited distribution, are reported from Mount Diablo State Park.

Two of these are listed by the state as rare...

Arctostaphylos auriculata Mount Diablo manzanita
Calochortus pulchellus Mount Diablo fairy lantern
Calochortus umbellatus Oakland star tulip
Campanula exigua Chaparral harebell
Cordylanthus nidularius Procumbent bird's beak
Erigeron miser Rayless fleabane
Eriogonuom truncatum Mount Diablo buckwheat
Eriophyllum jepsonii Jepson's yellow yarrow
Helianthella castanea Mount Diablo helianthella
Hesperolinon breweri Brewer's dwarf flax
Juglans hindsii Northern California black walnut
Malacothamnus hallii Hall's malacothamnus
Phacelia phacelioides Mount Diablo phacelia
Sanicula saxatilis Rock sanicle
Streptanthus hispidus Mount Diablo jewel flower
Stylocline amphibola Mount Diablo cottonweed
Reprinted from the Mount Diablo State Park General Plan - State of California Publication - May 1990