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How to know the grasses pictured-keys for determining the common and important American grasses, with suggestions and aids for their study.

Auteur(s): Pohl, Richard Walter
Date de publication: [1954]
Éditeur(s): W. C. Brown Co.
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Science (including mathematics)
Le sujet(s): Grasses--United States--Identification. , Grasses--Canada--Identification. , Grasses--Identification.
CallNumber: 584.9
mots-clés: Grasses United States Identification. Grasses Canada Identification. Grasses Identification.

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