Graf v. Sarnthein

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unterscheiden und aueh die kurzen Pycnoconidien geben ein gutes Unterscheidungsmerkmal. Die Variationen der. Physcia ragusana sind analog derjenigen bet Physcia pulverulenta (Sehreb.). t)hyscia loulverulenta var. a n g u s t a t a Nyl. in Act. See. Linn. Bordeaux, vol. XXI (1856) pag. 308; Crombie, Monogr. Brit. Lieh. vol. I (1894) pag. 307. -Lichen(More)
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