A revision of the North American isotheciaceae and brachythecia.
Series: Memoirs of the Torrey botanical club -- v. 6, no. 2, p. 131-210.
Publisher: The Club
Published: 1897
Place of publication: [New York
Language: eng
Number of pages: 210
Subjects: Mosses -- North America.
Notes: Thesis (Ph.D.) - Columbia university.