Micropsalliota albofelina is a basidiomycete mushroom native to tropical evergreen forests in Vietnam. It was collected in Bù Gia MáºÂp National Park in 2011 and described in 2021. This mushroom has white, tiny basidiomes, the entire surface of which is covered by thin hairs. This species is the first generic report for Vietnam.
The specific epithet albofelina comes from Latin (albus, "white" + felis "cat") referring to the surface of basidiomes that resembles white feline fur.
The whole basidiome of M. albofelina is pure white when fresh, discolouring to brown when dry. The pileus is up to 5 mm in diameter, convex, the surface of it is covered by white hairs. The gills are free, with 1âÂÂ2 series of lamellulae. The stipe is up to 29 mm tall by 1.5 mm wide, cylindrical, without a ring. The spores are 5.5âÂÂ7.5 by 3.5âÂÂ4 üm, ellipsoid in form, with apical thickening. The basidia are 12.5âÂÂ17.5 by 6.5âÂÂ8 üm, clavate with 4 sterigmata. The cheilocystidia are 33âÂÂ34.5 by 10âÂÂ13 üm, irregularly lecythiform, capitate, with a long, narrow and fragile neck.