Dermatocarpon plumbeum (B. de Lesd.) Zahlbr.
[= Verrucaria inficiens]
Annotated by Lorentz C. Pearson.

Idaho: Butte County: Craters of the Moon NM ¶Natural Bridge trail - near sign post
Spores globose 15μm [illegible] ¶non-septate, hyaline

Lorentz C. Pearson s.n., Aug 1, 1990
CRMO, Accession: 171, Catalog: 2233