Safford, H.D.; Viers, J.H.; Harrison, S.P. 2005. Serpentine endemism in the California flora: A database of serpentine affinity. Madrono. 52(4): 222-257.
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Safford, H.D.; Viers, J.H.; Harrison, S.P. 2005. Serpentine endemism in the California flora: A database of serpentine affinity. Madrono. 52(4): 222-257.