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Codinaea aseptata (HKAS 123758, holotype). (a) Host material; (b,c) colonies on woody substrate; (d,e) setae and conidiophores; (f-h) conidiophores and conidiogenous cells; (i) apex of seta；(j-m) conidia; (n) germinated conidium; (o) culture on PDA from above and below. Scale bars: (d,e) 100 μm; (f,k-n) 10 μm; (g-j) 20 μm. Codinaea dwaya (Subram. and J. Bhat) Réblová and Hern.-Restr., Journal of Fungi 7 (12, no. 1097): 31 (2021) (Figure 4). Index Fungorum number: IF 842192; Facesoffungi number: FoF 11037 Holotype: MUBL 2351 Saprobic on decaying wood submerged in freshwater habitats. Sexual morph: undetermined. Asexual morph: hyphomycetous. Colonies on natural substrate superficial, effuse, scattered, brown, with glistening masses of conidia on the apex of conidiophores. Mycelium 1.3-2.4 μm wide, mostly immersed, composed of pale brown, septate hyphae. Conidiophores (360-)440-620 × 7.6-14 μm ( x = 527.7 × 9.9 μm, n = 20), macronematous, mononematous, erect, straight or slightly flexuous, occasionally branched, cylindrical, sol-
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Chaetosphaeriaceae is a genera-rich and highly diverse group of fungi with a worldwide distribution in terrestrial and aquatic habitats. Eight fresh collections of Chaetosphaeriaceae were obtained during investigations of hyaline-spored hyphomycetes in China and Thailand. Based on morphological characteristics and phylogenetic analysis of a combine...
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... (Figure 3). Material examined: CHINA, Hainan Province, Wuzhishan City, Wuzhishan Tropical Rainforest Scenic Area, on decaying wood submerged in a freshwater stream, 15 August 2021, Zheng Luo, WZ48 (HKAS 123758, holotype; GZAAS 22-0072 isotype); ex-type living cultures, GZCC 22-0081. ...
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Citations
The sensu stricto concept of the large and polyphyletic genus Ellisembia is revealed based on a recent collection of its type species, E. coronata, on the original host at the type locality in Germany. Phylogenetic analyses of concatenated ITS, LSU, and RPB2 sequence data suggest that the fungus belongs to Sporidesmiaceae (Sordariomycetes) where it groups together with other morphologically similar ellisembia-like taxa in a distinct monophyletic lineage distant from Sporidesmium. Ellisembia is therefore restricted to those members of this novel group having distoseptate conidia and producing none or a few percurrent conidiophore extensions. Its previous synonymy under Sporidesmium is revised, and four novel combinations are proposed including E. pseudobambusae comb. nov., recently collected on a dead branch of Arundinaria sp. (Poaceae) in Texas, USA. The holotype illustration of S. coronatum, the basionym of E. coronata, is considered ambiguous due to the depiction of eusepta instead of distosepta. Consequently, Ellisembia is epitypified with the fresh specimen from Germany after comparing it with authentic materials preserved at G and IMI. Additionally, the genus Lomaantha, typified by L. pooga, is expanded and emended to include E. brachypus and related ellisembia-like taxa grouping together in a distinct lineage within Chaetosphaeriaceae (Sordariomycetes) distant from Sporidesmiaceae. A reassessed taxonomy for members of this monophyletic clade is proposed including six new combinations, and the presence of distinct pores in their conidial distosepta was evaluated. Sporidesmiella angustobasilaris, which typifies the genus Anasporidesmiella, is reduced to synonymy of L. folliculata upon examination of its type material.
During an ongoing investigation of bambusicolous fungi in Sichuan province, China, five hyphomycetous taxa were collected and recognized as members of Sordariomycetes. Based on morphological comparisons, culture characteristics, and the multi-locus phylogenetic analyses of combined SSU, ITS, LSU, rpb2 and tef1α sequence dataset, five species, viz. Conioscypha sichuanensis, Conlarium guizhouense, Rhexoacrodictys fimicola, R. melanospora, Wongia bambusae are identified. Conioscypha sichuanensis formed a sister lineage to Conio. bambusicola, which was also found from a bamboo host but can be distinguished from Conio. sichuanensis by different conidial shape. Wongia bambusae is characterized by unbranched, septate conidiophores and cylindric-fusiform conidia, and is most similar to W. ficherai. However, they are phylogenetically distinct. Conlarium guizhouense and R. melanospora, were recollected from the bamboo hosts in terrestrial habitats and reported as new host records in this study. Detailed descriptions and notes on the phylogenetic placement of these species are provided.
The generic limits of the large and polyphyletic genus Ellisembia are redefined in a strict sense based on a recent collection of its type species, E. coronata , on the original host at the type locality in Germany. Multigene phylogenetic analyses revealed that the fungus belongs to Sporidesmiaceae ( Sordariomycetes ) where it groups together with other morphologically similar ellisembia-like taxa in a distinct monophyletic lineage distant from Sporidesmium . Ellisembia is therefore restricted to those members of this novel group having distoseptate conidia and producing none or a few percurrent extensions. Its previous synonymy under Sporidesmium is rejected and four novel combinations are proposed including E. pseudobambusae comb. nov., recently collected on a dead branch of Arundinaria sp. ( Poaceae ) in Texas, USA. To further stabilize the application of this generic name, Ellisembia is lectotypified with an authentic specimen of S. coronatum , the basionym of E. coronata , preserved at G. Additionally, the genus Lomaantha , typified by L. pooga , is expanded and emended to include E. brachypus and related ellisembia-like taxa grouping together in a distinct lineage within Chaetosphaeriaceae ( Sordariomycetes ) distant from Sporidesmiaceae . A reassessed taxonomy for members of this monophyletic clade is proposed including six new combinations. The presence of distinct pores in the conidial distosepta was assessed for this group of species and their developmental processes are described for L. brachypus and L. folliculata based on fresh and herbarium specimens. Sporidesmiella angustobasilaris , which typifies the genus Anasporidesmiella , is reduced to synonymy of L. folliculata upon examination of its type material.
Chaetosphaeriaceae is one of the largest families in Sordariomycetes with its members commonly found on decaying leaf, fruit, branch, bark and wood in both terrestrial and submerged environment in nature. This paper reports our research result of diversity, taxonomy and phylogeny of anamorphic Chaetosphaeriaceae in China, which is based on a systematic study with an integrated approach of morphological observation and phylogenetic analysis for a large collection (> 1300 herbarium specimens and 1100 living strains). The family Chaetosphaeriaceae is expanded to accommodate 89 accepted genera, including 22 new genera and 10 newly assigned genera. Most of these genera (except for Chaetosphaeria and several other relatively large genera) are delimitated as monophyletic genera with well-defined diagnostic characters in morphology. The phylogenetic connection of non-phialidic Sporidesmium -like fungi is further confirmed and expanded to 10 different genera. The polyphyletic Codinaea / Dictyochaeta/Tainosphaeria complex is further resolved with a taxonomic framework of 28 monophyletic genera by redelimitation of Codinaea and Dictyochaeta with narrower concept, acceptance of the 16 established genera, and finally introduction of 10 new genera. Chloridium is phylogenetically redefined as monophyletic genus with narrower concept as typified by the type species, but a systematic review in both generic and species level is still needed. For biodiversity of chaetosphaeriaceous fungi, a total of 369 species in 76 genera, including 119 new species, 47 new combinations, and one new name, are documented. The identification keys are provided for most genera, especially the large genera such as Codinaea s. str., Codinaeella , Stilbochaeta , Cryptophiale , Thozetella , Dinemasporium and Pseudolachnella . In addition, ten known species were excluded from the family and reclassified. Systematic revision of several relatively large polyphyletic genera should be conducted in future studies, including Bahusutrabeeja , Ellisembia , Stanjehughesia , Cacumisporium , Chaetosphaeria , Chloridium , Craspedodidymum , Cryptophiale , Cryptophialoidea , Dictyochaetopsis , Minimidochium , and many published species of Codinaea and Dictyochaeta .
