Title:New antecedents on the distribution and ecology of Botrychium dusenii (H. Christ.) Alston (Ophioglossaceae) associated with anthropogenic environments in the Coyhaique province, Aysen Region, Chile
Title:Oenanthe crocata (Apiaceae, Apiaceae), planta tóxica nueva para la flora adventicia de Argentina y América / Oenanthe crocata (Apiaceae, Apioideae), new toxic plant for the adventive flora of Argentina and America
Title:Nuevas citas en Argyrochosma y Vittaria (Pteridophyta) del NE argentino / New records in Argyrochosma and Vittaria (Pteridophyta) from NE Argentina