Calogaya pusilla

Species of lichen

Calogaya pusilla is a species of saxicolous (rock-dwelling), crustose lichen in the family Teloschistaceae. It was originally formally described in 1852 by Italian lichenologist Abramo Bartolommeo Massalongo, who placed it in genus Physcia. The type specimen was collected in Veneto, Italy. It has undergone several changes of genus in its taxonomic history, including transfers to Caloplaca, Placodium, and Teloschistes. In 2013, it was placed in the newly circumscribed genus Calogaya.

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