The Pteridophytes of Ohio
By: by John H. Schaffner.
Series: Proceedings of the Ohio state academy of science.; vol. v, pt. 5, Special paper no. 16
Publisher: The Academy
Published: 1910
Place of publication: Columbus, O
Language: eng
Number of pages: 305
Subjects: Ferns -- Ohio.
Notes: "Contribution from the Botanical laboratory of Ohio state university, 52."