Davallia mariesii T. Moore ex Baker, a member of the section Trogostolon (Copel.) M. Kato and Tsutsumi (Davalliaceae M.R. Schomb.), is lithophytic or epiphytic herb that grows on rocks tree trunks in montane forests. This study analyzed morphological, anatomical, micromorphological, palynological characteristics D. using digital slide scanner field-emission scanning electron microscope presente...

Study was carried out on the morphology of Amaranthus hybridus and spinosus. This is to find form structure two species under study also discover areas walls where are thinner or softer. The vegetative done in field laboratory by visual observation quantitative characters analysed using a statistical test compare means samples (T.test). A. has small fine hairs, robust, longitudinally rigid gree...

Abstract The Mississippian (Tournaisian–Visean) of the Jbel Asdaf area in Tisdafine Basin (Eastern Anti-Atlas, Morocco) has been, for first time, subject a palynological study. This work aims to describe lithological and paleontological composition Aït Yalla Tinerhir Formations, then refine age, reconstruct paleoenvironment assess thermal maturity organic matter. studied section is subdivided, ...