The lichen genus Ramalina Ach. in the West Indies with notes on its role in the vegetation of Puerto Rico
Concepción, Ismael Landrón.
The lichen genus Ramalina Ach. in the West Indies with notes on its role in the vegetation of Puerto Rico by Ismael Landrón Concepción. - Ann Arbor, Mich. University Microfilms 1973. - xiv, 342 leaves.
Facsimile produced by microfilm-xerography.
Thesis--Michigan State University, 1972.
Bibliography: leaves 311-326.
Lichens--Puerto Rico.
Botany--Puerto Rico.
DISS / 73-5,422
The lichen genus Ramalina Ach. in the West Indies with notes on its role in the vegetation of Puerto Rico by Ismael Landrón Concepción. - Ann Arbor, Mich. University Microfilms 1973. - xiv, 342 leaves.
Facsimile produced by microfilm-xerography.
Thesis--Michigan State University, 1972.
Bibliography: leaves 311-326.
Lichens--Puerto Rico.
Botany--Puerto Rico.
DISS / 73-5,422