Tubeufiales » Tubeufiaceae » Pseudohelicoon

Pseudohelicoon subglobosum

Pseudohelicoon subglobosum (Goh & C.H. Kuo) Y.Z. Lu & Hyde, in Lu et al., Fungal Diversity 92: 255 (2018).

Helicoon subglobosum Goh & C.H. Kuo [as ‘Helicoön’], Phytotaxa 346(2): 145 (2018).

           Index Fungorum number: IF 554921; Facesoffungi number: FoF 04816, Fig. 1

Description: see Goh and Hyde (1996); Goh and Kuo (2018); Lu et al. (2018).

Material considered: see Goh and Hyde (1996); Goh and Kuo (2018); Lu et al. (2018).

Fig. 1 Pseudohelicoon sp. a, b Pseudohelicoon subglobosum TNM F31003, holotype; redrawn from Helicoön subglobosum, Fig. 1 in Goh and Kuo 2018). a Conidia. b Conidium attached to a short conidiophore arising from superficial hypha. c, d P. subglobosum (BCRC FU30843, ex-type culture, re-drawn from Fig 3 in Goh and Kuo 2018).  Hyde 1996). c Colony on PDA. d Chlamydospores in culture. e, f H. gigantisporum (BRIP 23200, re-drawn from Figs. 69 in Goh and Hyde 1996).  e Colony on wood. f Conidiophores bearing helicoid conidia (arrow shows short hilar projection). Scale bars: a = 50 µm, b, d, f = 20 µm, c, e = 200 µm.   

Importance and distribution

Pseudohelicoon comprises two species. Pseudohelicoon gigantisporum and P. subglobosum were found on submerged wood in stream in Australia (Queensland) and China (Taiwan), respectively.

 
References

Goh TK, Hyde KD. 1996 – Helicoön gigantisporum sp. nov. and an amended key to the genus. Mycological Research 100, 1485–1488.

Goh TK, Kuo CH. 2018 – A new species of Helicoön from Taiwan. Phytotaxa 346, 141–156.

Lu YZ, Liu JKJ, Hyde KD, Jeewon R, Kang JC, Fan C, Boonmee S, Bhat DJ, Luo ZL, Lin CG, Eungwanichayapant PD. 2018 – A taxonomic reassessment of Tubeufiales based on multi-locus phylogeny and morphology. Fungal Diversity 92, 131–344.

Tsui CKM, Berbee ML. 2006 – Phylogenetic relationships and convergence of helicosporous fungi inferred from ribosomal DNA sequences. Molecular Phylogenetics and Evolution 39, 587–597.

 

About Dothideomycetes

The website Dothideomycetes.org provides an up-to-date classification and account of all genera of the class Dothideomycetes.

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