The actual knowledge about the freshwater algae of Mexico is very uneven from various points of view, despite its recognized potential as indicators of environmental conditions and to be the basal part of trophic chains in aquatic environments. The largest…

El presente Seminario de Titulación es básicamente un trabajo de investigación y análisis sobre la Ciberinfraestructura disponible en la Web para el manejo y recuperación de literatura especializada en Ciencias Biomédicas, el cual incluye la descripción y una clasificación con…

Biogeography is a discipline included in comparative biology that studies the distribution of organisms, the distributional patterns of organisms are analyzed through the application of different methods, depending on the question formulated. In this work the principles and advantages of…

14 species were determined. The knowledge of this genus in the states of Chihuahua, Distrito Federal, Estado de Mexico, Guanajuato, Guerrero, Michoacán, Nayarit, Oaxaca, Querétaro and Tlaxcala is widened. A sinoptical key is provided for the species cited from Mexico,…