Arboricolonus S.Bien & Damm, MycoKeys 63: 130 (2020)

Index Fungorum number: IF832106; Facesoffungi number: FoF11362

Type species: Arboricolonus simplex S.Bien & Damm.

Etymology: Referring to the life inside tree wood (arbor Lat. = tree + colonus = settler).

Description: Colonies slow-growing, moist, white or buff colours on oatmeal agar medium, lacking aerial mycelium. Sporulation conidia formed on hyphal cells. Conidi- ophores reduced to conidiogenous cells. Conidiogenous cells enteroblastic, intercalary, reduced to short discrete phialides or, more often, collarettes formed directly on hy- phal cells, collarettes short tubular to funnel-shaped. Conidia aggregated around the hyphae, small, hyaline, 1-celled, cylindrical, ovoidal to allantoid. Vegetative hyphae and phialides hyaline, smooth-walled, septate, branched.