by A. J. Grout
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Mosses with a hand-lens
Mosses with hand-lens and microscope
A revision of the North American Isothec...
Moss flora of North America, north of Me...
A revision of the North American species...
The moss flora of New York city and vici...
Die Laubmoosflora von Oesterreich-Ungarn
Sphagnales-Bryales
