SERPENTINE SOILS ... Earl B. Alexander: In Fremontia v. 38:4/39:1 (October 2010)
Plants that thrive on serpentine soils have unusual capabilities to utilize calcium when the alkaline earth elements are dominated by magnesium, and to tolerate concentrations of cobalt and nickel that are toxic to most plants.
There are only two Ni hyperaccumulating species in California, and both are in the mustard (Brassicaceae) family: milkwor tjewel flower (Streptanthus polygaloides) ...
Information on California plants for education, research and conservation,
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Consortium of California Herbaria.[web application]. 2022. Berkeley, California:The Calflora Database
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