How to know the grasses : pictured-keys for determining the common and important American grasses with suggestions and aids for their study /
Pohl, Richard Walter
How to know the grasses : pictured-keys for determining the common and important American grasses with suggestions and aids for their study / by Richard W. Pohl - Dubuque; Iowa : W.C. Brown Co, ©1954 - 192 p. : ill. ; 23 cm.
Includes index
Grasses--United States
584.90973 / POH 1954
How to know the grasses : pictured-keys for determining the common and important American grasses with suggestions and aids for their study / by Richard W. Pohl - Dubuque; Iowa : W.C. Brown Co, ©1954 - 192 p. : ill. ; 23 cm.
Includes index
Grasses--United States
584.90973 / POH 1954