25 juin 2019
Albert Everett Wieslander, « East slopes chaparral type along Lakeport-Hopland Highway. Species represented are Quercus dumosa, Quercus wislizenii, Arctostaphylos canescens, Photinia arbutifolia, Ceanothus foliosus, Pickeringia montana and Adenostoma fasciculatum. Occasional thickets of Arbutus menziesii and Umbellularia californica. », Berkeley Library Digital Collections, ID : 10670/1.tajkui