California Fungi—Helminthosphaeria clavariarum
Helminthosphaeria clavariarum
(Photo: © Noah Siegel)

Helminthosphaeria clavariarum (Desm.) Fuckel
Jb. nassau. Ver. Naturk. 23-24: 166. 1870

Photo: H. clavariarum on Clavulina

Common Name: none