Edward Lee Greene: The Vegetation of the San Benito Islands. In: Pittonia; a Series of Papers Relating to Botany and Botanists. Band 1, Berkeley (CA) 1889, S. 261, (online)
Edward Lee Greene: A List of San Benito Plants. In: Pittonia; a Series of Papers Relating to Botany and Botanists. Band 1, Berkeley (CA) 1889, S. 268, (online)
