Revised catalog of Ohio vascular plants /
Schaffner, John H.
Revised catalog of Ohio vascular plants / by John H. Schaffner - Columbus, Ohio : University at Columbus, 1932 - 89-215 p. : ill. ; 27 cm - Ohio State University. Bulletin ; 36 .
Revised catalog of Ohio vascular plants / by John H. Schaffner - Columbus, Ohio : University at Columbus, 1932 - 89-215 p. : ill. ; 27 cm - Ohio State University. Bulletin ; 36 .