Tubeufiales » Tubeufiaceae » Helicosporium

Helicosporium vegetum

Helicosporium vegetum Nees, Syst. Pilze (Würzburg): 68 (1816) [1816-17].

 ≡ Tubeufia cerea (Berk. & M.A. Curtis) Höhn., Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 128(7-8): 562 (1919).

            Index Fungorum number: IF 145573; Facesoffungi number: FoF 00186, Fig. 1

Description: see Boonmee et al. (2014).

Material considered: see Boonmee et al. (2014).

 

 

Fig. 1 Helicosporium vegetum (BPI 447464). a, b Herbarium material. c Conidiophores with conidia on natural substrate. d, e Conidiophores with minute denticles (arrows). f–i Conidia (i: Conidia stained in cotton blue). Scale bars: c = 100 μm, d, e = 20 μm, f–i =10 μm.

Importance and distribution

There are 74 Helicosporium epithets in Index Fungorum (2022), but many have been transferred to other genera such as Acanthohelicospora, Chaetosphaeria, Circinotrichum, Dichotomophthoropsis, Drepanospora, Helicodendron, Helicoma, Helicomyces, Helicoon, Helicotruncatum, Hiospira, Neohelicosporium, Papulaspora, Pleohelicoon, Pseudocercospora, Pseudohelicomyces, Thaxteriella, Trochophora, Tubeufia and Xenosporium. Helicosporium is known from various plant families such as Arecaceae, Betulaceae, Cupressaceae, Dipterocarpaceae, Fagaceae, Malvaceae, Moraceae, Platanaceae, Salicaceae, Sapindaceae, Smilacaceae and Urticaceae. Helicosporium has a worldwide distribution including Asia (Japan, Pakistan, Thailand, Vietnam), Australia, Europe (Czech Republic, USSR) and North America (Caribbean (Cuba), Canada, Mexico, The United States).

 

References

Boonmee S, Rossman AY, Liu JK, Li W et al. 2014 – Tubeufiales, ord. nov., integrating sexual and asexual generic names. Fungal Diversity 68, 239–298. 

Goos RD. 1989 – On the Anamorph Genera Helicosporium and Drepanospora. Mycologia 81, 3, 356–374.

Linder DH. 1929 – A monograph of the helicosporous fungi imperfecti. Annals of the Missouri Botanical Garden 16, 227–388.

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.

 

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