TY  - BOOK
AU  - Ayensu,Edward S.
AU  - DeFilipps,Robert A.
ED  - Smithsonian Institution.
ED  - Smithsonian Institution.
TI  - Endangered and threatened plants of the United States
SN  - 0874742226
AV  - QK86.U6 A93 1978
PY  - 1978///
CY  - Washington
PB  - Smithsonian Institution
KW  - Rare plants
KW  - United States
KW  - Plant conservation
KW  - Plantes rares
KW  - �Etats-Unis
KW  - Plantes
KW  - Conservation
N1  - Ed. of 1975, by the Smithsonian Institution, published under title: Report on endangered and threatened plant species of the United States; Includes bibliographical references
ER  -