Musci Acrocarpi Boreali-Americani

DISTRIBUTED BY JOHN M. HOLZINGER

411. Grimmia olneyi Sull.

On rocks, in thin soil covered by freshets, Great Falls, Potomac
Valley, on Virginia side of river.

Coll. et det. A. T. Beals.

Feb., 1919

Yale University Herbarium

YU.226367