taxonID	type	description	language	source
B8B0CBFD01DD563B833DF928E496A5AC.taxon	description	Fig. 2	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
B8B0CBFD01DD563B833DF928E496A5AC.taxon	diagnosis	Diagnosis. Leucoagaricus bailangshanensis differs from La. centrobrunneolus by pileus margin with floccules, longer sterigmata (3.5 µm), and distinctive ITS, nrLSU, rpb 2, and tef 1 - α sequences and position in the phylogram.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
B8B0CBFD01DD563B833DF928E496A5AC.taxon	etymology	Etymology. The epithet “ bailangshanensis ” refers to the location ‘ Bailang shan of Liaoning Province, where the holotype was collected.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
B8B0CBFD01DD563B833DF928E496A5AC.taxon	description	Description. Pileus 33 – 48 mm diam, ranging from plano-convex to convex, pale grayish-white to snow-white (28 B 1 - 28 A 1), with an irregular margin exhibiting remnants of the partial veil, surface arid, bearing imbricate squamules and radiating white fibrillose vestiges; umbo slightly obtuse, vinaceous yellow (4 B 4) centrally positioned, becoming radially fissured from the pileus center upon maturation. Context white, non-discoloring when bruised, thin. Lamellae free, cream-white (1 A 2) to white (1 A 1), crowded, less than 1 mm in width, with 1 – 3 tiers of lamellulae; edge entire. Stipe 41 – 54 × 3 – 5 mm, birch bark (6 B 2), hollow, covering white fibrillose. Annulus superior and single-layered white (1 A 1) on the upper stipe. Odor not distinctive. Spore print white. Basidiospores [40 / 4 / 2] (3.6 –) 4.7 – 5.6 – 6.4 (– 6.9) × (2.8 –) 3.1 – 3.9 – 4.5 (– 4.8) µm, Q = 1.2 – 1.8, Qm = 1.40, broadly ellipsoid to slightly elongated, without a germ pore, transparent in 3 % KOH, dextrinoid, with 1 or 2 guttules. Basidia (12 –) 13 – 14.8 – 17 (– 17.7) × (5.0 –) 6.5 – 7.3 – 8.1 (– 8.7) µm, 2 – 4 spored, broadly clavate, hyaline in KOH; sterigmata up to 3.5 µm long. Cheilocystidia (23.1 –) 23.4 – 29.4 – 37.4 (– 39.4) × (7.3 –) 9.0 – 11.4 – 13.7 (– 15.0) μm, subfusiform to fusiform, smooth and hyaline KOH. Pleurocystidia absent. Lamellatrama regular, made up of parallel to subparallel, 2.6 – 8.1 μm wide hyphae in KOH. Pileipellis a cutis of repent, subcylindrical, radially arranged, occasionally branched, trichodermal, hyphae 3.6 – 14.2 wide. Clamp connections absent.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
B8B0CBFD01DD563B833DF928E496A5AC.taxon	distribution	Known distribution. Known only from north-eastern China.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
1151C4BA1D5C5CA9B2CC0F37AE06F658.taxon	description	Fig. 3	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
1151C4BA1D5C5CA9B2CC0F37AE06F658.taxon	diagnosis	Diagnosis. Leucocoprinus ferrugineus differs from Lc. purpurascens by the absence of cheilocystidia, basidiospores amygdaliform, smaller basidia (14.7 – 21.5 × 6.4 – 9.5 µm) (Guo et al. 2023) and distinctive ITS, nrLSU, rpb 2, and tef 1 - α sequences and position in the phylogram.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
1151C4BA1D5C5CA9B2CC0F37AE06F658.taxon	etymology	Etymology. The species epithet “ ferrugineus ” is derived from the Latin word “ ferruginous ”, referring to the ferruginous red pileus at the center of the taxon.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
1151C4BA1D5C5CA9B2CC0F37AE06F658.taxon	description	Description. Pileus 12 – 35 mm diam, convex-lens, mahogany-red (8 E 7) blunt umbo at center and small mahogany-red (8 E 7) squamules in white base color; margin uneven oxide-red (8 E 8). Context white, discoloring to oxide red (8 E 8) when bruised, thick. Lamellae free, white with densely radiating tomato-red (8 C 8) spots, less than 1 mm in width with 1 – 3 tiers of lamellulae; edge entire. Stipe 35 – 50 × 2 – 3 mm, cylindrical with a swollen base, white in the lower part, gradually deepening to fox (8 D 7). Annulus at the upper middle portion of the stipe, white, with a mahogany-red (8 E 7) margin. Basidiospores [40 / 4 / 2] (5.9 –) 6.8 – 7.5 – 8.5 (– 8.9) × (4.1 –) 4.3 – 4.9 – 5.6 (– 6.2) µm, Q = 1.4 – 1.9, Qm = 1.54, broadly ellipsoid to slightly elongated, without germpore, transparent in 3 % KOH, dextrinoid, with 1 or 2 guttules. Basidia (13.1 –) 14.7 – 18.1 – 21.5 (– 21.8) × (6.3 –) 6.4 – 7.9 – 9.5 (– 10.4) µm, 2 – 4 spored, broadly clavate; sterigmata up to 2.5 µm long, hyaline in KOH. Cheilocystidia (28.0 –) 34.0 – 44.7 – 59.8 (– 71.2) × (11.1 –) 12.2 – 16.5 – 21.3 (– 28.2) µm, capitate to subcapitate, smooth and hyaline in KOH. Pleurocystidia absent. Lamellatrama regular, made up of parallel to subparallel, 3.26 – 12.53 μm wide, hyaline in KOH. Pileipellis a cutis of repent, subcylindrical, radially arranged, occasionally branched, trichodermal, seen hyphae 3.0 – 13.5 μm wide, transparent in 3 % KOH. Clamp connections absent.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
1151C4BA1D5C5CA9B2CC0F37AE06F658.taxon	distribution	Known distribution. Known only from north-eastern China.	en	Zhang, An-Qi, Jin, Ri, Zhang, Xue-chao, Tarafder, Entaj, Xu, Ji-Ze (2025): Two new species of genus Leucoagaricus and Leucocoprinus (Agaricaceae, Agaricales) from China. MycoKeys 125: 33-49, DOI: 10.3897/mycokeys.125.160410
