Mycosphaerellales » Mycosphaerellaceae » Helicomina

Helicomina caperoniae

Helicomina caperoniae L.S. Olive, Mycologia 40(1): 17 (1948).

            Index Fungorum number: IF 286895; Facesoffungi number: FoF 11265, Fig. 1

Description: see Crous et al. (2013) and Videira et al. (2016, 2017).

Material examined: see Crous et al. (2013) and Videira et al. (2016, 2017).

Fig. 1 Helicomina caperoniae (BPI 447607, holotype, re-drawn from Fig. 3 in Olive 1948). a Conidiophores. b Conidia.

Importance and distribution

Species of Helicomina are parasitic and forms leaf spot or cause wilting of the host. There are 15 Helicomina epithets in Index Fungorum (2022), but several species have been transferred to Hyalohelicomina, Phaeoisariopsis and Pseudocercospora. Helicomina comprises eight species known as a laboratory contaminant in Asia (India), on leaves of Argyreia speciosa (Convolvulaceae), Dracaena (Asparagaceae), Cannabis sativa (Cannabaceae) and Costus speciosus (Costaceae). Helicomina is reported from Asia (India, Japan) and Caribbean (Cuba). An attempt to re-collect species of Helicomina is needed as molecular data is lacking.

 

References

Crous PW, Braun U, Hunter GC, Wingfield MJ et al. 2013 – Phylogenetic lineages in Pseudocercospora. Studies in Mycology 75, 37–114.

Olive LS. 1948 – Taxonomic notes on Louisiana fungi - I. Mycologia 40, 6–20.

Videira SIR, Groenewald JZ, Braun U, Shin HD, Crous PW. 2016 – All that glitters is not Ramularia. Studies in Mycology 83, 49–163.

Videira SIR, Groenewald JZ, Nakashima C, Braun U, Barreto RW, de Wit PJGM, Crous PW. 2017 – Mycosphaerellaceae - Chaos or clarity? Studies in Mycology 87, 257–421.

 

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