Egea, JM/ Tibell, L 1993: Opegrapha pyrenocarpoides belongs in Tylophorella. - Nordic Journal of Botany13(2): 207-210. [RLL List # 153 / Rec.# 4748] Keywords: AFRICA/ CALICIALES/ COLOMBIA/ MAZAEDIOTHECIUM/ OPEGRAPHA/ TYLOPHORELLA/ VENEZUELA
Abstract: 5 fig. [New: Tylophorella pyrenocarpoides (Müll. Arg.) Egea comb. nov. The name T. polyspora becomes a synonym of this taxon, which is reported as new to Africa.]