-
The Flora and the Vegetation of the Islands La Matica and La Piedra Distritio Nacional Dominican Republic West Indies
Vol 6, Page 1, Date 1990
-
The Flora and the Vegetation of Loma Diego De Ocampo Cordillera Septentrional Dominican Republic West Indies
Vol 6, Page 19, Date 1990
-
The Flora and Vegetation of Loma Quita Espuela Relict of the Natural Vegetation in the Eastern Cordillera Septentrional Dominican Republic West Indies
Vol 6, Page 99, Date 1990
-
Flora Vascular de la Isla Española: Burmanniaceae
Vol 6, Page 134, Date 1990
-
Clitoria (Leguminosae) Antillarum
Vol 6, Page 152, Date 1990
-
Two New Species of Pyrenula Lichenized Loculoascomycetes Pyrenulaceae from the West Indies
Vol 6, Page 213, Date 1990
-
Miscellaneous notes on Antillean mosses, 3. Braunia (Hedwigiaceae) and Pseudotaxiphyllum (Hypnaceae) new to the West Indies
Vol 6, Page 217, Date 1990
-
Essential Oils of Plants from Hispaniola West Indies 2. the Volatile Leaf Oil of Pinus occidentalis Pinaceae
Vol 6, Page 219, Date 1990
-
Essential Oils of Plants from Hispaniola West Indies 4. the Volatile Leaf Oil of Plethadenia granulata Rutaceae
Vol 6, Page 223, Date 1990