Ryszard Ochyra
Has participated in:
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Families and genera of mosses no longer believed to occur in sub-Saharan Africa
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Plagiothecium lucidum (Hook. f. & Wils.) Paris in tropical Africa
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Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 20., Grimmiaceae, Funariaceae, Bartramiaceae (Philonotis), Amblystegiaceae, Plagiotheciaceae
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Gradsteinia andicola : a remarkable aquatic moss from South America