25 juin 2019
Albert Everett Wieslander, « Bear Camp north of Big Pine mountain. Group of alders surrounded by Incense cedar, sugar pine, and bigcone spruce. Note Pteris aquilina lanuginosa in bottom. Assoc species: Umbellularia californica, Acer macrophyllum. », Berkeley Library Digital Collections, ID : 10670/1.o0e5jy