TY  - BOOK
AU  - Rydberg,Per Axel
AU  - Howe,Marshall Avery
TI  - Flora of the prairies and plains of central North America,
AV  - QK110 .R8
U1  - 581.97 
PY  - 1932///
CY  - New York
PB  - The New York Botanical Garden
KW  - Botany
KW  - North America
KW  - Pteridophyta
KW  - Phanerogams
N1  - A manual of Pteridophyta and Spermatophyta; Preface signed by the editor, Marshall A. Howe
ER  -