Yale University Herbarium

YU.237741

LICHENES AMERICANI EXSICCATI

Collected and prepared by M. E. Hale

No. 40. UMBILICARIA MAMMULATA (Ach.) Llano

Syn. U. dillenii Tuck. Cf. G. Llano, Monogr. Umbilicariaceae, p. 128. 1950.

On sandstone rocks in woods.

West Virginia: Coopers Rock, Monongalia Co. August 1955.