Taxonomic and Geographic Study on the Lichen Genus Thamnolia from China
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摘要: 通过形态解剖、化学显色反应(CT)及薄层层析法(TLC)对中国地茶属地衣:地茶(Thamnolia vermicularis(Sw.)Ach. ex Schaer.)和雪地茶(Thamnolia subuliformis(Ehrh.)W. L. Culb.)及其种下变型进行了形态分类和特征化合物研究。结果显示,2个变形在形态上均与原变形之间无明显界限,存在过渡形态,并且化学成分也均与原变形一致,因此合并了2个种下变型。通过分析地茶属地衣的分类特征,对地茶属2个种的分类界限进行了重新界定,讨论了我国地茶属的地理分布。Abstract: Using anatomy, color tests (CT)and thin layer chromatography (TLC), morphological and chemical studies on Thamnolia vermicularis (Sw.)Ach. ex Schaer. and Thamnolia subuliformis (Ehrh.)W. L. Culb. were carried out, and variant under these two species have also been studied. Very few differences were observed between the original species and variant, though intermediate forms were found, and chemical compounds were the same, thus, T.vermicularis f.qomolangmana and T.subuliformis f.minor were synonymized. Taxonomic characteristics of Thamnolia are clarified, species boundaries are newly defined, and distribution ranges of the genus Thamnolia in China are discussed in this paper.
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Keywords:
- Lichenized fungi /
- Thamnolia /
- Distribution /
- Taxonomy
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