Grummann, V 1968: Alte und neue Halbflechten. Ein neuer Flechtenparasit. Placynthium asperellum neu fur Europa. - Sydowia, Ann. Mycol.22: 216-224. [RLL List # 83 / Rec.# 7138] Keywords: LICHEN PARASITES/ LICHENICOLOUS/ PLACYNTHIUM/ NEW TAXA/ VORARLBERGIA/ LETHARIICOLA/ LETHARIA/ OREGON/ EUROPE
Abstract: 1 fig. 4 pl. [New: Vorarlbergia gen. nov. (Helotiales), V. (sect. V.) renitnes sp. nov., V. sect. Medioincrassata sect. nov., V. (sect. M.) medioincrassata sp. nov., Lethariicola sipei gen. et sp. nov., a parasite of Letharia vulpina from Oregon.]
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