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Psoroma capense and P. esterhuyseniae (Pannariaceae), two new alpine species from South Africa

Permanent lenke
https://hdl.handle.net/10037/20103
DOI
https://doi.org/10.1017/S0024282920000377
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article.pdf (1.917Mb)
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Dato
2020-11-11
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Elvebakk, Arve; Hong, Soon Gyu; Park, Chae Haeng; Rämä, Teppo
Sammendrag
The new species Psoroma capense and P. esterhuyseniae are described from four alpine localities in the Western Cape Province of South Africa and are the only known Psoroma species from Africa. The specimens were all collected from moist sites near watercourses, on cool and mostly south-facing cliffs. Psoroma capense resembles P. tenue in gross morphology but differs in the ascending thallus squamules, lack of secondary compounds and short-ellipsoid to ovoid ascospores. However, a phylogenetic analysis involving the markers ITS, nucLSU, mtSSU and Mcm7, comparing the only recent collection of P. capense with previously published sequences, shows that it belongs to the P. hypnorum lineage, with no known, closely related species. Psoroma esterhuyseniae resembles P. hypnorum but has subglobose to short-ellipsoid ascospores without apical perispore extensions. The two species are thought to have evolved from one or two long-distance dispersal events during the Pleistocene.
Forlag
Cambridge University Press
Sitering
Elvebakk A, Hong SG, Park CH, Rämä T. Psoroma capense and P. esterhuyseniae (Pannariaceae), two new alpine species from South Africa. The Lichenologist. 2020;52(5):345-352
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  • Artikler, rapporter og annet (UB) [3245]
Copyright 2020 The Author(s)

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