University of California Berkeley, University Herbarium (UC)
UC253980
383b2221-ae0c-4a31-bd9e-a588cc21dfd4
Harknessia arctostaphyli Cooke & Harkn.
Amphisphaeriaceae
Lee Bonar
H. E. Parks
2637
1925-01-11
Jan, 11th, 1925
USA, California, Marin, Mt. Tamalpais
37.923545 -122.596468 +-381m. WGS84
Georeferenced to summit of Mount Tamalpais with uncertainty radius extending west to Habitat Restoration, encompassing entire mountain.
Arctostaphylos canescens
host: Arctostaphylos canescens
Spores abundant from small black pycnidia on the surface of the dead leaves. May be found on the small dead tips of branches. Spores characterized by the very long slender pedicels. Dark.