TY  - BOOK
ED  - Smithsonian Institution.
ED  - United States.
TI  - Report on endangered and threatened plant species of the United States: presented to the Congress of the United States of America 
T2  - House document (United States. Congress. House)
U1  - 581.52973 
PY  - 1975///
CY  - Washington
PB  - U.S. Govt. Print. Off
KW  - Rare plants
KW  - United States
KW  - Plant conservation
N1  - "Serial no. 94-A."; "Printed for the use of the Committee on Merchant Marine and Fisheries."
ER  -