Revision of Marchantiana ( Caloplacoideae , Teloschistaceae ) – a misconceived lichen genus
The genus Marchantiana has been a victim of changeable concepts, partly due to erroneous DNA sequences published with its description. Based on new molecular sequencing, new chemical analyses and additional field work, mainly in Patagonia, Tasmania and New Zealand, we present a new taxonomic class...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
W. Szafer Institute of Botany, Polish Academy of Sciences
2024-12-01
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| Series: | Plant and Fungal Systematics |
| Subjects: | |
| Online Access: | https://pfsyst.botany.pl/Revision-of-Marchantiana-Caloplacoideae-Teloschistaceae-a-misconceived-lichen-genus,193953,0,2.html |
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| Summary: | The genus Marchantiana has been a victim of changeable concepts, partly
due to erroneous DNA sequences published with its description. Based on new molecular
sequencing, new chemical analyses and additional field work, mainly in Patagonia,
Tasmania and New Zealand, we present a new taxonomic classification for the genus
and related species. M. michelagoensi s is confirmed to belong to Marchantiana , and the
genus Streimanniella , for which this species was the generic type, is synonymized with
Marchantiana . We combine Caloplaca haematommona , C. magnetensis , C. tomnashi i and
C. phaeocincta into Marchantiana as M. haematommona , M. magnetensis , M. tomnashii
and M. phaeocincta , respectively. A new genus Taedigera is described to cater for three
previous Marchantiana species and one Caloplaca species, with the new names T. pyramus ,
T. ramulicola , T. subpyracea and T. epibrya , respectively. Two species, T. flammea and
T. gallowayi , both twig epiphytes from New Zealand, and one species, M. tasmanica , from
Tasmania, are described as new to science based on molecular and secondary chemical
characters. Marchantiana burneyensis , M. kalbiorum and M. seppeltii are excluded from
the genus Marchantiana based on newly generated sequences of type material. A key is
provided to the species groups in Patagonia, Tasmania and New Zealand. |
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| ISSN: | 2544-7459 2657-5000 |