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阿尔泰山是欧亚大陆最为宏伟的山脉之一,其中段的西南坡坐落于中国新疆境内、众多具温带性质的藓类植物分布于此.作者在对阿尔泰山进行苔藓植物区系调查过程中,发现了分布于阿尔泰山的喀纳斯自然保护区及布尔津县禾木乡的2个藓类植物中国新记录种——隶属曲尾藓科的短叶曲尾藓[ Dicranum brevifolium (Lindb.)Lindb.]和卷叶小曲尾藓[Dicranella crispa (Hedw.) Schimp.].由地理分布可知,短叶曲尾藓和卷叶小曲尾藓在中国皆为稀有种类.“,”Altai Mountains are one of the largest mountain ranges in the Eurasian Continent.The southwest slope of middle Altai Mrs.is located in Xinjiang of China,where a lot of temperate element mosses are distributed.During our recent investigation in Altai Mts,we found two new records of Dicranaceae to China-Dicranum brevifolium (Lindb.) Lindb.and Dicranella crispa (Hedw.) Schimp.Both of them were collected in Kanas Nature Reserve and Hemu Kanas Village of Burqin County of the Altai Mrs.Geographically,they are only limited in a very small region in China.