The genus Isoëtes in North America
By: by George Engelmann
Publisher: s.n.
Published: 1882
Place of publication: S.l
Language: eng
Number of pages: 390
Subjects: Plants; Isoetaceae; Isoetes
Other titles: Transaction of the Academy of Science of St. Louis.
Notes: Caption title.

From: Trans. St. Louis Acad. Science, v. 4, no. 2