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  • Author: Piotr Górski x
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Rediscovery of the liverwort Frullania fragilifolia in Poland

Abstract

This paper presents a distribution map for Frullania fragilifolia (Taylor) Gottsche, Lindenb. & Nees in Poland and a list of localities established from revised herbarium materials and literature data, and describes the rediscovery of F. fragilifolia in Poland almost 40 years after the last record. This liverwort was considered extinct in Poland. Twenty localities of the plant were catalogued. An attempt was undertaken to find F. fragilifolia in the Tatra Mts and northern Poland at selected localities known from literature data. The threat status of the species and its prospects in Poland are discussed.

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Phylogenetic placement and new data on the morphology and ecology of Calathella eruciformis (Agaricales, Basidiomycota), a cyphelloid fungus new to Poland

Abstract

Calathella eruciformis, a species hitherto unknown in Poland, is reported from four localities in the north-eastern part of the country. This wood-inhabiting saprotroph was found on dead decorticated but still attached twigs and branches of living Populus tremula in an oak-hornbeam forest (Carpinion betuli). Macro- and microcharacters of the recently collected material are presented in detail, together with selected illustrations. Examination of ITS rDNA sequences indicated that Calathella is not monophyletic and that the type species of the genus C. eruciformis is alien to the heterogeneous genus Flagelloscypha. Furthermore, molecular evidence is provided for a close relationship between C. eruciformis and the type species of the genus Sphaerobasidioscypha, Sphaerobasidioscypha citrispora.

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