How to know the grasses
Subtitle: pictured-keys for determining the common and important American grasses with suggestions and aids for their study
By: [by] Richard w. Pohl.
Edition: Rev. ed.
Series: Pictured-key nature series
Place of publication: Dubuque, Iowa
Number of pages: 244
Subjects: Grasses -- Identification.; Grasses -- United States.
Notes: Bibliography: p. 10-11.

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