Five additions to the genus Acourtia (Asteraceae: Mutisieae) Autors: Cabrera R., Leticia

Endothermy and floral utilization of Cyclocephala caelestis (Coleoptera: Scarabaeoidea; Melolonthidae): a cloud forest endemic beetle. Autors: Dieringer, Gregg, Reyes Castillo, Pedro, Lara, Manuel, Cabrera R, Leticia, Loya, Larisa

FAMILIA COMPOSITAE TRIBU GOCHNATIEAE Autors: Cabrera R., Leticia; Department of Natural Sciences, Northwest Missouri State University, Marville, MO., E.U.A., Rzedowski, Jerzy; Instituto de Ecología, A.C., Centro Regional del Bajío, Pátzcuaro, Michoacán.