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Leucoagaricus flammeotinctoides is a species of mushroom-producing fungus in the family Agaricaceae.

Taxonomy
It was described in 2010 by the mycologist Else Vellinga who classified it as Leucoagaricus flammeotinctoides.

Description
Leucoagaricus flammeotinctoides is a small dapperling mushroom

with a brown scaly cap and thin (up to 3mm wide) white flesh.

Cap: 1.5-3cm wide starting convex to sub-umbonate with a small umbo before expanding to flat or plano-convex with only a slight, low umbo when mature. The surface is covered with brown fibrillose scales against a white background and the scales are denser and darker in the centre creating a broad, dark brown area with the scales spreading out and becoming sparser towards the margins. The margins are straight with sulcate striations and may be appendiculate with white and light brown veil remnants. Gills: Free, crowded and white with an eroded edge and ventricose bulge. They are 4-6mm wide. Stem: 2.5-3.5cm long and 5-8mm thick tapering upwards from a bulbous 12mm wide base. The surface is white with a white fibrillose coating across the length but light brown to dark brown fibrillose scales towards the base. The outside of the stem is sometimes covered with clear water droplets and the interior is white and hollow. The membranous, white stem ring is located towards or above the middle of the stem (median to superior) and is pendant (hanging down). It has light brown to brown fibrillose scales on the edges. Spore print: White. Spores: 7-7.5 x 4.3-5 μm. Ellipsoidal to ovoid or slightly amygdaliform with a thick wall. Hyaline. Dextrinoid, congophilous, cyanophilous and metachromatic. Basidia: 17-20 x 7-8 μm. Clavate, 4 spored.

Etymology
The specific epithet flammeotinctoides is named in reference to its similarity to Lepiota flammeotincta,  which is Latin for 'tinged with flame' whilst the suffix oides dervives from Latin or Greek and means 'like'.

Habitat and distribution
The specimens studied were found growing in Northern Laos where they were growing on soil solitary or in small clusters.