Acosta Castellanos, S.; Quiroz-García, D.; Arreguín-Sánchez, M.; Fernández-Nava, R. A Palynological Analysis Was Performed on the Sedimentary Cover of Laguna Cea, Located in the Subbasin of the Simpson River in the Coyhaique Region of Southern Chile. The Pollen Record Shows a Landscape Evolution from a Woodland-Type Ecosystem Covered by. POLIBOTÁNICA 2011, 179-191.