TY  - BOOK
AU  - Rydberg, Per Axel,
AU  - Howe, Marshall Avery,
CN  - QK110 .R8
CN  - QK110
CY  - New York,
DA  - 1932.
ID  - 64783
KW  - Botany
KW  - Pteridophyta.
KW  - Phanerogams.
N1  - A manual of Pteridophyta and Spermatophyta.
N1  - Preface signed by the editor, Marshall A. Howe.
PB  - The New York Botanical Garden,
PP  - New York,
PY  - 1932.
T1  - Flora of the prairies and plains of central North America,
TI  - Flora of the prairies and plains of central North America,
ER  -