Placidiopsis is a genus of lichens in the family Verrucariaceae. The genus was circumscribed by Italian naturalist Francesco Beltramini de Casati in 1858, with Placidiopsis grappae assigned as the type species.
Species Placidiopsis cinerascens Placidiopsis cavicola Placidiopsis cinereoides Placidiopsis crassa Placidiopsis custnani Placidiopsis grappae Placidiopsis hamadicola Placidiopsis hypothallina – Brazil Placidiopsis minor Placidiopsis novozelandica Placidiopsis oreades Placidiopsis parva – Australia Placidiopsis poronioides – Hong Kong Placidiopsis pseudocinerea – Europe Placidiopsis sbarbaronis Placidiopsis tiroliensis Placidiopsis tominii
References