Equiseticola K. Abdelsalam, Tibpromma, Wanasinghe & K.D. Hyde, gen. nov., Index Fungorum number: IF 551562

Etymology: The generic epithet reflects host genus Equisetum.

Holotype: MFLU14-0702

Saprobic on decaying herbaceous branches. Sexual morph: Ascomata immersed to semi-immersed, scattered, uniloculate, ovoid, ostiole central, with minute papilla. Peridium composed of several layers, of brown to dark brown cells, arranged in a textura angularis. Hamathecium of dense, 1–2 μm wide, filamentous, septate cellular, pseudoparaphyses, anastomosing above the asci. Asci 8-spored, bitunicate, cylindrical, with long acute or knoblike pedicel, apically rounded, with ocular chamber. Ascospores overlapping 1–2-seriate, initially hyaline becoming yellowish pale brown at maturity, fusiform, 4–5-septate with distinct septa, guttulate, not constricted at the septa, without a mucilaginous sheath. Asexual morph: Undetermined.

Type species: Equiseticola fusispora K. Abdelsalam, Tibpromma, Wanasinghe & K.D. Hyde

Phylogenetic placement of Equiseticola 

FIGURE 1. RAxML tree based on analyses of a combined dataset of LSU, SSU and ITS sequence data. Bootstrap support values for maximum likelihood (ML, black) and maximum parsimony (MP, blue) equal or greater than 75% are given above the nodes. Bayesian posterior probabilities (BYPP, red) equal or higher than 0.95 are provided above the nodes. The tree is rooted to Didymella exigua (strain CBS 183.55). The original isolate numbers are given after the species names. Ex-type strains are in bold.


  • Phallus impudicus