Ann. Bot. Fenn. 39: 226 (2002); type: South Africa, Transvaal Province, Pietesburg District, Soutpansberg Mountains, Llewellin Farm, 13. Jan. 1986, H, Sipman 19.839 (B—holotypus). Leproloma sipmanianum Kümmerl. & Leuckert, Nova Hedwigia 52: 17-32 (1991).

Thallus crustose, leprose, with membranous to subfoliose appearance; cream or light yellow to grey green, usually relatively bright; moderately thick, soft, lobes can be loose from substrate; shape irregular or rosette, continuous, often fusing with other thalli, sometimes wrinkled, up to 3 cm in diam.; margin delimited to diffuse in places, lobes present, often not surrounding all thallus, well developed, often over 2 mm wide, with raised marginal rim; cortex absent; medulla present, thin, white; hypothallus sometimes present, not conspicuous, brownish, prothallus absent; areoles absent; squamules absent; soredia sparse in places, exposing smooth ecorticate membranous surface, especially near margins, soredia fine to coarse, 40-200 µm in diam., loosely packed; projecting hyphae rarely present, not abundant, short, up to 40 µm; isidia-like structures absent. Photobiont green, coccoid, 4-15 µm in diam.