North American Musci Pleurocarpi Supplement
ISSUED BY A. J. GROUT, PH. D.

19. Porotrichum neckeroides (Hook.) Williams

On large boulders near bridge, Taghurn, British Columbia. Oct. 26, 1927.

Det. F. A. MacFadden. Det. A. J. G.

(This form is apparently the same as P. Leibergii
E. G. Britton).

Yale University Herbarium

YU.230430