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- Thell, Arne, et al.
(författare)
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A contribution to the phylogeny and taxonomy of Xanthoparmelia (Ascomycota, Parmeliaceae)
- 2006
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Ingår i: Journal of the Hattori Botanical Laboratory. - 0073-0912. ; 100, s. 797-807
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Tidskriftsartikel (refereegranskat)abstract
- Various aspects of the lichen genus Xanthoparmelia have been investigated using ITS rDNA sequences. The delimitation of the genus and phylogeographic trends within the genus are reviewed. Three south African genera, Almbornia, Namakwa and Xanthomaculina, are synonymized with Xanthoparmelia. The transfer of Xanthoparmelia peruviensis to Psiloparmelia is strongly supported by a bootstrap analysis. Two new names are proposed, Xanthoparmelia aliphaticella and X ovealambornii, and four new combinations are made, Psiloparmelia peruviensis, Xanthoparmelia azaniensis, X. frondosa and X. hottentotta.
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- Tibell, Leif, et al.
(författare)
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Calicioid lichens and fungi of Japan
- 2003
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Ingår i: Journal of the Hattori Botanical Laboratory. - 0073-0912. ; 94, s. 205-259
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Tidskriftsartikel (refereegranskat)
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| 7. |
- Tibell, Leif
(författare)
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Calicium in the Indian Himalayas
- 2006
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Ingår i: Journal of the Hattori Botanical Laboratory. - 0073-0912. ; :100, s. 809-851
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Tidskriftsartikel (refereegranskat)abstract
- A revision of 15 species of the lichen genus Calicium in the Indian Himalayas is presented. Six species-C. indicum, C. laevigatum, C. nobile, C pyriforme, C. tenuisporum and C. verrucosum-are described as new to science. Furthermore C. chlorosporum, C. hyperelloides and C. quercinum are new to India. Material from other parts of the Himalayas was also studied. Most Calicium species occur in the temperate mixed oak-conifer forest on the S face of the mountains, particularly at altitudes between 2500 and 3600m, where they inhabit bark of the lower parts of old trees and decorticated stumps, particularly in forests dominated by Quercus semecarpifolia or in mixed forests with Q. semecarpifolia and Abies pindrow, Tsuga dumosa and Picea. Descriptions of the species are supplied along with information on secondary product chemistry and habitat ecology. The ornamentation of the spores is described for the new species. An identification key to the species is provided. In a molecular phylogeny based on nuclear rDNA ITS1-5.8S-ITS2 sequences the new species appeared in different lineages in the paraphyletic Calicium, viz. C. pyriforme and C. verrucosum in the 'Caticium glaucellum-clade', C. indicum, C. laevigatum and C. tenuisporum in the 'Calicium viride-clade' and C. nobile in the 'Acolium-clade'. For each species 'Signature Sequences Stretches' ('SSS', usually 8-20 bp long), have been identified. They are-as far as known-unique to the species in relation to other Calicium species and species in related genera. They may hence serve as molecular markers for identifying the species. Forty new ITS sequences are reported.
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