Henssen, A 1984: Placynthium arachnoideum, a new lichen from Patagonia, and notes on other species of the genus in the Southern Hemisphere. - Lichenologist16: 265-271. [RLL List # 123-50 / Rec.# 8337] Keywords: PLACYNTHIUM/ ARGENTINA/ NEW TAXA/ URUGUAY/ CHILE/ NEW ZEALAND/ AUSTRALIA/ OWN
Abstract: 2 figures. [New: Placynthium arachnoideum sp. nov. Distributional notes are given for P. asperellum, P. nigrum and P. subradiatum in the Southern Hemisphere.]