(Q51454217)
Statements
Catalogue of the Bryophyta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in Pennsylvania (English)
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Small, John Kunkel, 1869-1938
Porter, Thomas C. (Thomas Conrad), 1822-1901
unknown value
Ginn & Co.
Boston
1904
0 references