Decades of North American Lichens.

CLARA E. CUMMINGS, T. A. WILLIAMS AND A. B. SEYMOUR.

203. Endocarpon rufescens, Ach.

*Dry calcareous soil on rocky hills.*

Lincoln, Nebraska, Jan. 1896.

Coll. T. A. Williams & E. N. Wilcox.

Yale University Herbarium

YU-235985