Additional information on Sphagnaceae species in Xinjiang
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摘要: 在近年对新疆苔藓植物详细调查采集和标本鉴定的基础上，发现并报道4个新疆泥炭藓科新记录种，即小叶泥炭藓（Sphagnum angustifolium）、拟狭叶泥炭藓（S.cuspidatulum）、狭叶泥炭藓（S.cuspidatum）、广舌泥炭藓（S.russowii），对它们的主要识别特征和地理分布进行了初步讨论，并制定新疆泥炭藓科分种检索表.除已知泥炭藓科在新疆布尔津县喀纳斯国家级自然保护区的分布外，新增在阿尔泰市、青河县、福海县和哈巴河县的地理分布记录.研究结果为新疆苔藓植物区系提供了新资料.Abstract: Based on extensive investigation and specimen identification of bryophytes in recent years, four new records of Sphagnaceae species have been reported for Xinjiang Province, namely Sphagnum angustifolium, S. cuspidatulum, S. cuspidatum and S. russowii. The major distinguishing morphological characteristics and geographic distribution of these species are discussed in this paper. The key to species of Sphagnaceae in Xinjiang has been provided. In addition, the geographic distribution of Sphagnaceae in Xinjiang was expanded to include Altai City, Qinghe County, Fuhai County and Habahe County, in addition to Hanas National Nature Reserve in Buerjin County, as previously reported. The results provide additional information on Sphagnaceae for bryoflora of Xinjiang.
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Key words:
- bryophytes /
- Sphagnum /
- new records /
- Xinjiang
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图 1 小叶泥炭藓
注: a枝叶横切面, b茎叶中上部细胞, c枝叶中上部细胞(腹面), d枝叶中上部细胞(背面), e茎叶, f枝叶; 拍照标本买买提明26659
Fig. 1 Sphagnum angustifolium
图 2 4个新疆泥炭藓科新记录种地理分布点
注: $\blacksquare$小叶泥炭藓Sphagnum angustifolium, $\bigstar$拟狭叶泥炭藓S. cuspidatulum, $\bullet$狭叶泥炭藓S. cuspidatum, $\blacktriangle$广舌泥炭藓S. russowii
Fig. 2 Distribution of four new recorded Sphagnaceae species in Xinjiang
图 3 拟狭叶泥炭藓
注: a茎叶, b枝叶, c茎叶中上部细胞, d枝叶中上部细胞(腹面), e枝叶横切面; 拍照标本买买提明26560
Fig. 3 Sphagnum cuspidatulum
图 4 狭叶泥炭藓
注: a茎叶, b枝叶横切面, c茎叶中上部细胞, d枝叶中上部细胞(背面), e枝叶中上部细胞(腹面), f.枝叶; 拍照标本买买提明29220
Fig. 4 Sphagnum cuspidatum
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