25 juin 2019
T. B. (NPS) Plair, « Direction NW. Vegetative types; Redwood, Chaparral. Species: R, D, Af, Cri, Ct. Location on knoll east of CCC camp across Fern Canyon. Looking into fern canyon, between mouth and where the road crosses. », Berkeley Library Digital Collections, ID : 10670/1.64q0bd