Yale University Herbarium

YU.237809

LICHENES AMERICANI EXSICCATI

*Collected and prepared by M. E. Hale*

No. 67. ACTINOGYRA MUHLENBERGII (Ach.) Schol.

Cf. G. Llano, Monogr. Umbilicariaceae, p. 200. 1950.

On Medina sandstone in high mountains.

West Virginia: top of Spruce Knob (1236 m.), Pendleton Co.
Aug. 1956.

Chemical contents: gyrophoric acid.