TY  - BOOK
AU  - Concepción,Ismael Landrón
TI  - The lichen genus Ramalina Ach. in the West Indies with notes on its role in the vegetation of Puerto Rico
PY  - 1973///
CY  - Ann Arbor, Mich.
PB  - University Microfilms
KW  - Lichens
KW  - Puerto Rico
KW  - Local
KW  - Botany
N1  - Facsimile produced by microfilm-xerography; Thesis--Michigan State University, 1972; Bibliography: leaves 311-326
ER  -