New species of Moristroma (Ascomycetes) and phylogenetic position of the genus

被引：10
|
作者：
Björn Nordén
Stellan Sunhede
Ellen Larsson
机构：
[1] Göteborg University,Department of Systematic Botany
[2] University of Skövde,School of Life Sciences
来源：
Mycological Progress | 2005年 / 4卷 / 4期
关键词：
Chaetothyriomycetes; Dothideomycetes; parsimony analysis; internal transcribed spacer; large sub-unit; pycnidia; Quercus;
D O I：
10.1007/s11557-006-0137-1
中图分类号：
学科分类号：
摘要：
The loculoascomycete Moristroma quercinum sp. nov. and Moristroma japonicum sp. nov. are described from Northern Europe (Denmark, Lithuania, Sweden) and Japan, respectively. M. quercinum is reported from wood of Quercus robur and Q. petraea, and M. japonicum is reported from wood of Quercus mongolica var. grossoserrata. Ascostromata of both species were found on hard heartwood of attached or shed branches. The two new species differ from the type species of the genus, M. polysporum, by the presence of pycnidia, and by the size of ascostromata, asci and ascospores. Drawings illustrate ascostromata, pycnidia, asci, hamathecium and ascospores of the two new species. A phylogenetic analysis suggests that Moristroma belongs to the Chaetothyriomycetes, rather than to the Dothideomycetes as previously suggested.
引用
收藏
页码：325 / 332
页数：7
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