Annulatascales » Annulatascaceae

Vertexicola

Vertexicola Hyde et al.

Index Fungorum number: IF 28465

 

Sexual morph: Ascomata globose to subglobose, superficial, immersed or semi-immersed, membranous or coriaceous, hyaline, brown or black, solitary or aggregated, beaked. Necks long, lateral, curved upward, black and periphysate. Peridium two layered; outer layer textura angularis, inner layer consists of pseudoparenchymatous cells. Paraphyses wide, tapering and septate. Asci 8-spored, unitunicate, cylindrical, with elongate and tail-like pedicels, and a large, refractive and bi-partite (at TEM level) apical ring. Ascospores uni-seriate or overlapping uni-seriate, fusiform or ellipsoidal, hyaline, thick-walled, 0-6-distoseptate. Asexual morph: Undetermined.

Notes: The genus Vertexicolais characterized by asci with a refractive apical ring and a tail-like pedicel and distoseptate ascospores with relatively thick walls and lacking appendages or a sheath (Ranghoo et al. 2000). There are two species accepted in this genus and both were collected from freshwater habitats.

Type species: Vertexicola caudatus Hyde et al. Mycologia 92(5): 1020 (2000)

 

Freshwater species

Vertexicola ascoliberatus Shearer & F.R. Barbosa

Vertexicola caudatus Hyde et al.

 

Recent Genus

1
Neochlamydotubeufia
Neohelicomyces

Recent Species

Neohelicomyces submersus
Neohelicomyces hyalosporus
Neohelicomyces grandisporus