Analytic keys to the genera and species of North American mosses /

Autor Barnes, Charles Reid, 1858-1910
Vydáno 1896

A textbook of botany for colleges and universities. Volume one, Morphology /

Autor Coulter, John Merle, 1851-1928, Barnes, Charles Reid, 1858-1910, Cowles, Henry Chandler, 1869-1939
Vydáno 1930