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 | XXVI.—Diagnoses of some lichens C Mereschkovsky (1921) Annals And Magazine of Natural History 8: 246-290 |
 | Lichen Mapping in Europe. Proceedings of the First Meeting on Lichen Mapping in Europe held at Stuttgart from September, 22nd to 24th, 1989 V Wirth and H (Eds ) Oberhollenzer (1990) Stuttgarter Beiträge zur Naturkunde Serie A (Biologie) 456: 1-199 |