25 juin 2019
Albert Everett Wieslander, « Dense woodland type of Quercus chrysolepis and Arbutus menziesii, scattering Douglas fir and Quercus agrifolia in type. Understory species: Rhus diversiloba, Rubus vitifolius, Pteris aquilina Lonicera and Wood Rose. Openings in type with Ceanothus incanus and Arctostaphylos andersonii. », Berkeley Library Digital Collections, ID : 10670/1.5gl6f8