25 juin 2019
H.A. Jensen, « Mountain hemlock-Douglas fir-White fir type (interior view) on NE side of South Fork Mt., 2 miles N of Forest Glen- Mad River road. Site index 175. Douglas fir in foreground 165 ft. in height, 72 inches D. B. H. Associated species: Castanopsis chrysophylla, Pteris aquilina lanuginosa, Berberis nervosa. », Berkeley Library Digital Collections, ID : 10670/1.v40ihz