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Darwiniana, nueva serie
Print version ISSN 0011-6793
Abstract
ARANA, Marcelo D and 0LLGAARD, Benjamin. Revisión de las Lycopodiaceae: Embryopsida, Lycopodiidae) de Argentina y Uruguay. Darwiniana [online]. 2012, vol.50, n.2, pp.266-295. ISSN 0011-6793.
A review of the Lycopodiaceae from Argentina and Uruguay, based on the study of relevant collections from herbaria as well as literature, is presented, according to the new classification of 16 genera grouped into three subfamilies. The family is represented by nine genera and 23 species; all taxa are described and at least one species of each subfamily is illustrated; one species (Huperzia saururoides) is lectotypified and three new synonyms are proposed: Austrolycopodium assurgens under Austrolycopodium erectum, Lycopodium sanctae-barbarae under Phlegmariurus saururus and Urostachys selago var. aschersonianus under Huperzia saururoides. Lycopodiella alopecuroides and Phlegmariurus subulatus are excluded from the studied area. Keys for all taxa are provided, as well as the relevant synonyms and a synthesis of the ecology and distribution. The most diverse genera are Phlegmariurus (seven species) and Austrolycopodium (five species). In Argentina, the family is represented by 22 species distributed in the three subfamilies. The northwestern region is the richest area of the country, with nine species. In Uruguay the family is represented by the subfamily Lycopodielloideae, with four species belonging to the genera Lycopodiella (two species), Palhinhaea (one species) and Pseudolycopodiella, represented by Pseudolycopodiella meridionalis. The latter, Palhinhaea camporum, and Huperzia fuegiana s. str. are new records for Argentina.
Keywords : Austrolycopodium; Diphasiastrum; Diphasium; Huperzia; Lycopodiella; Lycopodium; Palhinhaea; Phlegmariurus; Pseudolycopodiella; Taxonomy.