Analytic keys to the genera and species of North American Mosses : by Fred deForest Heald

Charles Reid Barnes
Bok · Språk ikke angitt · 1896

Utgitt	Madison, Wis. , 1896
Utgave	revised and extended
Opplysninger	Særtrykk av: Bulletin of the University of Wisconsin. Scient. ser. I, no 5