Effect of habitat fragmentationon the genetic structure of the narrow endemic Brongniartia vazquezii Autoren: Jorge González Astorga, Juan Núñez_Farfán

Variable demography in relation to germination time in the annual plant Tagetes micrantha Cav. (Asteraceae) Autoren: Jorge González Astorga, Juan Núñez_Farfán

Genetic variability of the narrow endemic tree Antirhea aromatica Castillo-Campos & Lorence, (Rubiaceae, Guettardeae) in a tropical forest of Mexico Autoren: Jorge González Astorga, Gonzalo Castillo-Campos