The status of the mid-western European endemic moss, Brachythecium appleyardiae

被引:7
|
作者
Blockeel, TL
Vanderpoorten, A
Sotiaux, A
Goffinet, B
机构
[1] Univ Liege, Dept Life Sci, B-4000 Cointe Ougree, Belgium
[2] Univ Connecticut, Dept Ecol & Evolut Biol, Storrs, CT 06269 USA
关键词
pleurocarpous mosses; DNA sequence; Scleropodium cespitans; Brachythecium appleyardiae;
D O I
10.1179/037366805X53059
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
An analysis of DNA sequences in the ITS region of nrDNA and the atpB-rbcL intergenic spacer has placed Brachythecium appleyardiae McAdam & AJ.E.Sm. within a strongly supported clade in the genus Scleropodium. This position is consistent with the morphology and growth-form of B. appleyardiae. Specimens of the latter are similar to S. cespitans (Wilson ex Mull.Hal.) L.F.Koch but appear to differ in their narrower leaf-shape and the tendency to occur on dry rock ledges. However, measurements of a range of specimens from Britain and Ireland show that there is no clear discontinuity between the two taxa. Consequently, B. appleyardiae is reduced to synonymy with S. cespitans.
引用
收藏
页码:137 / 141
页数:5
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