25 juin 2019
H.R. Josephson, « Along Dry Creek. Woodland type on north slope with Quercus kelloggii and Pinus ponderosa coming in type. Quercus douglasii and Q. wislizenii, Ceanothus cuneatus also present. Grass on bottomland chiefly Festuca and Bromus sp. », Berkeley Library Digital Collections, ID : 10670/1.acekr2