25 juin 2019
H.R. Josephson, « On Little Wolf Creek. Light and heavy grazing in woodland-grass type. Grazed field on left with scanty cover of Micropus, Navarretia and Calycadenia. Lightly grazed field on right with additional Bromus, Festuca, Lotus americana and Carum gairdneri. », Berkeley Library Digital Collections, ID : 10670/1.14cv4e