Henssen, A 1992: Placoparmelia patagonica, a new lichen genus and species from Argentina (Parmeliaceae). - Lichenologist24(2): 133-142. [RLL List # 148 / Rec.# 8350] Keywords: ARGENTINA/ NEOFUSCELIA/ PLACOPARMELIA
Abstract: 24 fig. ["Placoparmelia patagonica Henssen gen. et sp. nov. is described from two localities in Argentina. The placodioid thallus of P. patagonica has a primitive paraplectenchymatous upper cortex in parts but is devoid of a clearly defined lower cortex, true rhizines or tufts of rhizoidal hyphae. The upper surface is minutely porous and reacts HNO3+ blue-green indicating the presence of glomellifera brown."]