Decades of NORTH AMERICAN LICHENS.
PREPARED BY CLARA E. CUMMINGS.

337. Physcia stellaris (Ach.) Fr.
var. apiola (Ach.) Nyl.
forma athelina (Ach.) Nyl.

Lichen anthelinus Ach. Suec. Prod. (1798).

p. 111. Nyl. Lich. Scand. (1861) p. 111.

*On boulder along mountain streams.*

North Fork of Clear Creek below Souldier's Park,
Wyoming, Aug. 19, 1898.

Coll. Thomas A. Williams.

K⁺⁺

Yale University Herbarium

YU.240544