25 juin 2019
Albert Everett Wieslander, « Lodgepole pine with understory of Rhododendron occidentale, Holodiscus discolor, Lithocarpus densiflora, Arctostaphylos nevadensis, Rhamnus californica occidentalis and juniperus communis montana. Large tree at right is Port Orford cedar. », Berkeley Library Digital Collections, ID : 10670/1.eub8z1