Exsiccatae

Lichenes boreali-americani, second edition of decades of North American lichens, prepared by Clara E. Cummings, Thos. A. Williams and A. B. Seymour #25
Cummings, Williams & Seymour, Lich. Bor.-Amer. [Wellesley (Massachusetts)]
Cummings, C.E.; Williams, T.A.; Seymour, A.B. [1-280]

IndExs #238641321

Bell Museum lichens
Catalog Number: 22945
Howe, M. s.n.
Parmelia physodes var. vittata Ach.
United States, California, Marin