Henssen, A/ Renner, B/ Marton, K 1983: Studies in the lichen genus Psoroma 2. Psoroma fruticulosum and Psoroma rubomarginatum. - Mycotaxon18: 29-48. [RLL List # 119-56 / Rec.# 8294] Keywords: PSOROMA/ NEW TAXA/ SOUTHERN HEMISPHERE
Abstract: 10 figures. [New: Psoroma fruticulosum P. James et A. Henssen, sp. nov.; and P. rubromarginatum P. James et J. Murray, sp. nov. Both species are from the Southern Hemisphere.]