Ritschel, G 1976: Neue und wenig beachtete epiphytische Flechten in Stadtgebiet von Zurich. - Herzogia4: 33-46. [RLL List # 96 / Rec.# 15703] Keywords: SWITZERLAND/ EPIPHYTES/ ZURICH/ EUROPE
Abstract: In the investigation of the epiphytic lichen vegetation of Zurich there were 27 species detected new, which are not mentioned in the paper of VARESCHI (1936). It is remarkable that there occur many lichens with a narrow ecological range. These species are normally absent from urban areas apparently not because of an insufficient SO2 resistance but rather because of climatic factors. [27 species.]
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