Selaginella rupestris and its allies.
Series: Contributions from the Dept. of botany of Columbia university -- no. 136.; Contributions from the Dept. of botany of Columbia university -- no. 136.
Published: 1898
Place of publication: n.p
Language: eng
Number of pages: 133
Subjects: Selaginella rupestris.
Notes: Reprinted from the Bulletin of the Torrey botanical club, v. 25, no. 3, March 1898.

Cover title.