Notes on the Flora of the Channel Islands off Santa Barbara, California
Being chiefly a list of the species added to the flora of the islands since Brandegee's list in Zoe, Vol. 1, No. 5, July. 1890.
"Notes on the Flora of the Channel Islands off Santa Barbara, California,"
Bulletin of the Southern California Academy of Sciences:
Available at: https://scholar.oxy.edu/scas/vol31/iss2/5