Fungalpedia – Note 3103, Pseudocirrenalia

 

Pseudocirrenalia J. Ma, R.J. Xu, K.D. Hyde & Y.Z. Lu.

Citation when using this data: Jian Ma et al. 2024 – Fungalpedia.

Index Fungorum, Faceoffungi, MycoBank, GenBank, Fig 1.

Classification: Halosphaeriaceae, Microascales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi.

Etymology: “Pseudocirrenalia”, referring to the morphological similarity of the new taxon to Cirrenalia.

Notes: The genus Pseudocirrenalia is morphologically similar to Cirrenalia but phylogenetically apart from Cirrenalia, and shares a sister phylogenetic relationship to the genus Cucurbitinu species with 88% ML/0.99 PP support (Meyers and Moore 1960; Zhao and Liu 2005; Jiang and Zhang 2007; Zhang et al. 2014; Spribille et al. 2020). However, Pseudocirrenalia can be distinguished from Cucurbitinu by its more or less helicoid or irregularly contorted conidia, while the conidia of Cucurbitinu are clavate, and gourd-shaped (Liu et al. 2020). Therefore, Pseudocirrenalia is introduced as a distinct new genus in this study.

Type species: Pseudocirrenalia aquialpina J. Ma, R.J. Xu, K.D. Hyde & Y.Z. Lu.

Other accepted species: Species Fungorum – search Pseudocirrenalia.

Figure 1 – Pseudocirrenalia aquialpina (GZAAS 24-0065, holotype). a, b Colonies on submerged decaying wood. c–h, j, k Conidiophores, conidiogenous cells and conidia. i, l–o conidia. Scale bars: c, e = 50 µm, d, f, g, j = 20 µm, h, i, k–o = 10 µm.

 

References

Jiang YL, Zhang TY. 2007 – Two new species of Cirrenalia from soil. Mycotaxon 101:65–68.

Liu LL, Liu NG, Yang J, Chen YY et al. 2020 – Cucurbitinus gen. nov. (Halosphaeriaceae, Microascales), a new genus to accommodate Cucurbitinus constrictus comb. nov. and Cucurbitinus ibericus comb. nov. Phytotaxa 455(2):119–136.

Meyers SP, Moore RT. 1960 – Thalassiomycetes II. new genera and species of Deuteromycetes. American Journal of Botany 47(5):345–349.

Spribille T, Fryday AM, Pérez-Ortega S, Svensson M et al. 2020 – Lichens and associated fungi from Glacier Bay National Park, Alaska. The Lichenologist 52(2):61–181. 

Zhang Y, Wu Y, Zhang T. 2014 – Notes on soil dematiaceous hyphomycetes from Hunan province, China I. Mycosystem 33(3):560–566.

Zhao G, Liu X. 2005 – A review of Cirrenalia (hyphomycetes) and a new species. Fungal Diversity 18:201–209.

 

Entry by

Jian Ma, School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang 550003, P.R. China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand.

 

Published online 3 September 2026

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