Triebel, D/ Rambold, G 1988: Cecidonia und Phacopsis (Lecanorales): zwei lichenicole Pilzgattungen mit cecidogenen Arten. - Nova Hedwigia47(3-4): 279-309. [RLL List # 137 / Rec.# 18993] Keywords: CECIDONIA/ NEW TAXA/ PHACOPSIS/ LICHENICOLOUS/ NESOLECHIA/ LECIDEA/ PARMELIACEAE
Abstract: 9 figures. 3 tables. [New: Cecidonia gen. nov., C. umbonella (Nyl.) comb. nov. (syn. Lecidea umbonella), C. xenophana (Koerb.) comb. nov. (syn. Nesolechia xenophana), Phacopsis cephalodioides (Nyl.) comb. nov. (syn. Agyrium cephalodioides), P. oxyspora (Tul.) comb. nov. (syn. Nesolechia oxyspora), P. thallicola (Massal.) comb. nov. (syn. Nesolechia thallicola). Other species and synonyms are treated. The genus Nesolechia is considered a later synonym of Phacopsis.]