Tubeufiales » Tubeufiaceae » Helicoma

Helicoma muelleri

Helicoma muelleri Corda, Icon. fung. (Prague) 1: 15 (1837)

            Index Fungorum number: IF 238937; Facesoffungi number: FoF 00178, Fig. 1

Description: see Boonmee et al. (2014); (Lu et al. 2018b).

Material examined: see Boonmee et al. (2014); (Lu et al. 2018b).



Fig. 1. Helicoma muelleri (BPI 447569). a. Herbarium material. b. Conidiophores with attached apical conidium on natural substrate. c–e. Conidiophores with detached conidia and minute denticles (arrows). f, g. Conidia. Scale bars: b = 500 µm, c = 50 µm, d = 20 µm, e = 50 µm, f, g = 20 µm.


Importance and role

Importance of genus to ecosystem

Species of Helicoma are saprobic and play a role in nutrient recycling in the ecosystem.


Industrial relevance and applications

The industrial applications of Helicoma has not been investigated.


Quarantine significance

The biocontrol properties of Helicoma has not been studied.


Biochemical importance of the genus, chemical diversity or applications

The chemical application of Helicoma has not been studied. Helicoma may produce important enzymes. This needs further investigation.


Diversity of the genus

Although there are 92 Helicoma epithet in Index fungorum, the real number of species is less as many have been synonymized and transferred to other genera such as Camporesiomyces, Chlamydotubeufia, Cirrenalia, Dematiohelicoma, Dematiotubeufia, Drepanospora, Helicofilia, Helicomyces, Helicosporium, Helicotruncatum, Neohelicoma, Neohelicosporium, Pseudocercospora, Thaxteriella, Trochophora, Tubeufia, Xenosporium, Zalerion. Helicoma comprises 64 species known on several host plants and plant families such as Anacardiaceae, Araliaceae, Arecaceae, Betulaceae, Dilleniaceae, Euphorbiaceae, Fagaceae, Myrtaceae, Pandanaceae, Salicaceae, Sapindaceae amongst others.  Helicoma has a worldwide distribution such as Canada, Cuba, Dominican Republic, Florida, Hawaii, Hong Kong, Japan, Mexico, Ohio Russia, South Africa, Western Cape, Taiwan, Tanzania, Venezuela amongst others.  Comprehensive studies are likely to discover more species of Helicoma.


About Dothideomycetes

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

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