Resumo

LAVORNIA, Juan M; KRISTENSEN, M. Julia  e  ROSATO, Vilma G. Clave de identificación de líquenes saxícolas del Paisaje Protegido “La Poligonal” (Sistema de Tandilia, Buenos Aires). Rev. Mus. Argent. Cienc. Nat. [online]. 2016, vol.18, n.2, pp.107-115. ISSN 1853-0400.

This work provides a dichotomous key to recognize all the saxicolous lichen species known from “La Poligonal” Protected Landscape in Tandillia orographic System, Buenos Aires, Argentina. This key also includes notes on their distribution and chemistry characteristics. A Total of 70 species are listed, 9 of which are new records for Tandilia, while 7 are new records for the province of Buenos Aires and one is a new record for Argentina. A detailed description is given for 5 species recognized at genus level and for the new species in the area.

Palavras-chave : Dichotomous key; Tandilia; Saxicolous lichens.

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