Five New Species of the Genus Hymenogaster (Hymenogastraceae, Agaricales) from Northern China

被引:1
|
作者
Li, Ting [1 ]
Mao, Ning [2 ]
Fu, Haoyu [2 ]
Zhang, Yuxin [2 ]
Fan, Li [2 ]
机构
[1] Natl Nat Hist Museum China, Dept Life Sci, Tianqiaonandajie 126, Beijing 100050, Peoples R China
[2] Capital Normal Univ, Coll Life Sci, Xisanhuanbeilu 105, Beijing 100048, Peoples R China
基金
中国国家自然科学基金;
关键词
Basidiomycota; hypogeous; phylogeny; taxonomy; SPECIFICITY; SEQUENCES; FUNGI;
D O I
10.3390/jof10040272
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
In this study, five new species from China, Hymenogaster latisporus, H. minisporus, H. papilliformis, H. perisporius, and H. variabilis, are described and illustrated based on morphological and molecular evidence. Hymenogaster latisporus was distinguished from other species of the genus by the subglobose, broad ellipsoidal, ovoid basidiospores (average = 13.7 mu m x 11.6 mu m) with sparse verrucose and ridge-like ornamentation (1-1.2 mu m high); H. minisporus by the ellipsoidal to broadly ellipsoidal and small basidiospores (average = 11.7 mu m x 9.5 mu m); H. papilliformis was characterized by the whitish to cream-colored basidiomes, and broadly fusiform to citriform basidiospores with a pronounced apex (2-3 mu m, occasionally up to 4 mu m high), papillary, distinct warts and ridges, and pronounced appendix (2-3 mu m long); H. perisporius by the dirty white to pale yellow basidiomes, broad ellipsoidal to ellipsoidal, and yellow-brown to dark-brown basidiospores with warts and gelatinous perisporium; H. variabilis by the peridium with significant changes in thickness (167-351 mu m), and broad ellipsoidal to subglobose basidiospores ornamented with sparse warts and ridges. An ITS/LSU-based phylogenetic analysis supported the erection of the five new species. A key for Hymenogaster species from northern China is provided.
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页数:17
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