青藓科中国新记录种——短尖拟青藓

Sciuro-hypnum ornellanum(Molendo) Ignatov & Huttunen(Brachytheciaceaae,Bryophyta)Reported New to China

该文报道了短尖拟青藓[Sciuro-hypnum ornellanum(Molendo)Ignatov&Huttunen]在新疆阿尔泰山的分布,这是该种在中国的首次记录。详细介绍了拟青藓属[Sciuro-hypnum(Hampe)Hampe]的由来,讨论了短尖拟青藓的形态特征及其地理分布,对其与形态相近种进行了比较分析,并提供了中国拟青藓属分种检索表。该种的发现不仅为中国青藓科植物研究提供了新资料,同时也进一步佐证了中国新疆植物区系与俄罗斯、中亚及欧洲的密切联系。

Sciuro-hypnum ornellanum （Molendo） Ignatov ＆ Huttunen （Brachytheciaceae,Bryophyta） from Altai Mountains,Xinjiang was found and firstly recorded in China.The history of Sciuro-hypnum （Hampe） Hampe was introduced.Morphological characters and distribution of S.ornellanum,and the differences among allied species were discussed.The key to the Chinese species of Sciuro-hypnum was also given.Not only do the results provide new references to Brachytheciaceae in China,but further confirm the relationships between Xinjiang,China,Russia,Middle Asia,and Europe in flora.