Series Haematocephali Singer emend. J.S. Oliveira & Moncalvo

Persoonia 44: 274 (Oliveira et al. 2020).

Basidiomata marasmioid (umbrella-like), thin, small- to medium sized. Pileus membranous, sulcate. Lamellae distant to subdistant, free to adnate. Stipe mostly filiform with a scanty, tomentose basal mycelium. Basidiospores elongate, clavate to subfusoid (11-25 µm long, xm = 17.5-22 µm, Qm = 4.3-5.9). Pleurocystidia present, well-developed, elongate, refractive. Pileipellis composed of Siccus-type broom cells only. Habit preference for leafy and/ or woody substrate.

TYPE SPECIES. — Marasmius haematocephalus (Mont.) Fr.

NOTES

In Oliveira et al. (2020), this series included stirpes Ferrugineus, Haematocephalus and Siccus of Singer (1976). These informal supraspecific groups are presented below with morphologically described species (except stirps Siccus) included in the phylogenetic analyses in this study.