Plagiothecium talbotii, a new species from the Aleutian Islands (Alaska, U.S.A.)
Plagiothecium talbotii sp. nov. is described from Attu Island, Alaska, U.S.A. The newly-described species is not similar in appearance to any Northern Hemisphere species; only the habit is similar to P. platyphyllum. However, it not only occupies a different habitat than that species, but geneticall...
| Published in: | PhytoKeys |
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| Main Authors: | , , |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Pensoft Publishers
2022
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| Subjects: | |
| Online Access: | https://doi.org/10.3897/phytokeys.194.81652 https://doaj.org/article/d90725556fa34de58e6d564395789e18 |
| Summary: | Plagiothecium talbotii sp. nov. is described from Attu Island, Alaska, U.S.A. The newly-described species is not similar in appearance to any Northern Hemisphere species; only the habit is similar to P. platyphyllum. However, it not only occupies a different habitat than that species, but genetically and morphologically, it is clearly distinct from it. The results of DNA sequencing, a detailed description of the morphological features, illustrations, ecological preferences and currently known geographical distribution of P. talbotii are presented. The most important distinguishing morphological features of this species are: the size of the plant; dimensions and symmetry of the leaves; dimensions of cells and their areolation; entire leaf apex; and long decurrencies with some inflated cells. Additionally, we propose to place P. talbotii in section Plagiothecium, which is confirmed by genetic analysis and morphological features. |
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