Studies in the Ophioglossaceae
Subtitle: II : A descriptive key to Botrychium in North America : Group of B. lanceolatum
By: By Ralph Curtiss Benedict
Published: 1908
Place of publication: 1908
Language: eng
Number of pages: 103
Notes: Reprinted from Torreya, v. 8, no. 5, p. [100]-103, May 1908.