Cucurbitinus gen. nov. (Halosphaeriaceae, Microascales), a new genus to accommodate Cucurbitinus constrictus comb. nov. and Cucurbitinus ibericus comb. nov.

被引：6

作者：

Liu, Ling-Ling ^{[1
,2
,3
]}

Liu, Ning-Guo ^{[3
,4
]}

Yang, Jing ^{[3
,5
]}

Chen, Ya-Ya ^{[1
,3
,6
]}

Liu, Zuo-Yi ^{[3
]}

机构：

[1] Guizhou Univ, Coll Agr, Guiyang 5500025, Guizhou, Peoples R China

[2] Guizhou Acad Agr Sci, Guizhou Inst Soil & Fertilizer, Guiyang 550006, Guizhou, Peoples R China

[3] Guizhou Acad Agr Sci, Guizhou Key Lab Agr Biotechnol, Guiyang 550006, Guizhou, Peoples R China

[4] Naresuan Univ, Fac Agr Nat Resources & Environm, Phitsanulok 65000, Thailand

[5] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand

[6] Guizhou Acad Agr Sci, Guizhou Inst Crop Germplasm Resources, Guiyang 550006, Guizhou, Peoples R China

来源：

PHYTOTAXA | 2020年 / 455卷 / 02期

关键词：

1 new taxon; 2; comb; nov; aquatic fungi; asexual morph; phylogeny; taxonomy; FRESH-WATER FUNGI; PHYLOGENETIC CONTRIBUTIONS; MOLECULAR TAXONOMY; MARINE; ASCOMYCOTA; GENERA; CIRRENALIA; WOOD; DNA; PROBABILITY;

D O I：

10.11646/phytotaxa.455.2.4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Two strains, representing trichocladium-like species, were collected from a freshwater lake in Guizhou Province, China. Based on the morphological characters, they were well identified as Trichocladium constrictum who lacked molecular data. In the phylogenetic analyses of combined LSU, ITS and SSU sequence data, the collections cluster together with Cirrenalia iberica within Halosphaeriaceae but formed a distinct clade to the type of Cirrenalia (Halosphaeriaceae) and Trichocladium (Chaetomiaceae). The significant long conidiophores of Trichocladium constrictum differ from those of other Trichocladium species. The straight conidia of Cirrenalia iberica is distinguished from curved conidia of other Cirrenalia species. In line with the morphological characters and phylogenetic analyses, Cucurbitinus gen. nov. is proposed to accommodate Trichocladium constrictum and Cirrenalia iberica as Cucurbitinus constrictus comb. nov. and Cucurbitinus ibericus comb. nov. Descriptions and illustrations of the new taxa are provided with discussion of the reclassification.

引用

页码：119 / 136

页数：18

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