Coast live oak and scrub oak forest at foot of Verdugo hills near La Crescenta Valley County Park. (With Nathan.)



| GEN | on toyon bark, usnic-green, powdery laminal soralia, no spots |


| GEN | on mossy sunny banks, cups on short stalks, podetia and inside cups densely corticate-granular to schizidiate, ecorticate, squamules pure white and not sorediate below, pycnidia brown |