Zipp, Daniela, Schneider, Julio, Gaviria, Juan Carlos, Zizka, G.
The assessment of the morphological variability of vascular plant species is crucial for a systematic treatment and necessary for the reliable delimitation of taxa. Particularly in tropical species,...
Torres, Fresia, Gaviria, Juan Carlos, Peraza, Josefina
A description of the leaf anatomy of two rosette plants that grow at 4.040 m, Oritrophium paramense and O. Peruvianum is dealt with. The common and differential features that enable them to adapt...
Three new sepecies of Lachemilla (Focke) Rydberg (Rosaceae): L. involucrata, L. loki-schmidtii and L. pelusae; are described, this genera is typical of the high mountains of the neotropics and is...
Plantas acuáticas de los alrededores de la ciudad de Mérida / por Juan Carlos Gaviria (1982)
Trabajo realizado para optar al titulo de Lic. en Biología