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.
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.