taxonID	type	description	language	source
2C666A26E8460F28FF7713FB61D5FAF2.taxon	diagnosis	Diagnosis: — Pileus 50 – 130 mm broad, light orange, covered with red fibrillose scales, basidiospores broadly ellipsoid to ellipsoid, Q = (1.11 –) 1.25 – 1.67 (– 2.0), cheilocystidia clavate-shaped, pleurocystidia absent. Etymology: — ‘ galeata ’, helmet, refers to the shape of pileus. Holotype: — CHINA. Shanxi Province, Yicheng County, Shihe Forest Farm, 35 ° 29 ’ 35 ’’ N, 112 ° 5 ’ 41 ’’ E, elev. 1,960 m, 26 August 2020, on a dead tree trunk in a coniferous forest dominated by Pinus sp., H. Liu LH 1196 (BJTC FM 1107). Description: — Basidiomes growing singly or in clusters. Pileus 50 – 130 mm diam, helmet-like to convex with lightly inrolled margin, margin cracking with age, dry, light orange (# 8 b 4513), densely covered with small, red to purple reddish (# e 08796) fibrillose scales. Context yellowish, thin to slightly thick. Lamellae 3.5 – 5.5 mm broad, free to adnate, crowded, pale yellow (# ffffeb), edge entire; lamellulae in 3 – 4 tiers, concolorous with lamellae. Stipe 35 – 120 × 12 – 20 mm, cylindrical, hollow, straight to curved, smooth, dry, pale red (# ffcocb), pale orange (# ffe 59 a) to light orange (# 8 b 4513), often staining purple especially when young. Taste not recorded. Smell indistinct. Spore print white. Basidiospores [30 / 2 / 2] (4 –) 5 – 7 (– 8) × (3 –) 4 – 5 (– 6) μm; [Q = (1.11 –) 1.25 – 1.67 (– 2.0), avQ = 1.48 ± 0.21]; broadly ellipsoid to ellipsoid, smooth, thin-walled, hyaline, usually containing one large oil droplet. Basidia 30 – 40 × 6 – 8 μm, (2 –) 4 - spored, cylindrical to narrowly clavate; with basal clamp connection; sterigmata 4 – 7 μm long. Cheilocystidia prominent, large, often in clusters, (45 –) 55 – 105 (– 126) × 13 – 23 (– 27) μm, mostly narrowly clavate to lageniform-fusiform, slightly thick-walled, hyaline, or filled with yellow granular pigment. Pleurocystidia absent. Lamellar trama regular, composed of parallel hyphae 3 – 18 μm diam, cylindrical to slightly inflated, hyaline or with a fine pale yellow (# ffffeb) granular intracellular pigmentation. Pileipellis a cutis, composed of densely arranged parallel hyphae, 3 – 10 μm diam, with yellow to brown intraparietal and homogeneous or finely granular intracellular pigment, hyphae becoming erect and forming fascicles at intervals. Stipitipellis a thin cutis of parallel cylindrical hyphae of 5 – 15 μm diam, with hyaline to pale yellow-brown content. Clamp connections present in all tissues. Habit, habitat and distribution: — found growing on a dead tree trunk in a coniferous forest dominated by Pinus sp., so far only known from Shanxi Province, China. Additional specimens examined: — CHINA. Shanxi Province, Yicheng County, Shihe Forest Farm, 35 ° 29 ’ 34 ’’ N, 111 ° 53 ’ 59 ’’ E, elev. 1,927 m, 20 August 2019, on the trunk of a dead tree in a coniferous forest dominated by Pinus sp., C. Yang YCM 013 (BJTC FM 637). ibid. Yuanqu County, Lishan Mountain, Zhongcun Forest Farm, 35 ° 29 ’ 7 ’’ N, 112 ° 25 ’ 5 ’’ E, elev. 1,680 m, 15 July 2020, on fallen wood in a forest of Pinus sp., H. Liu LH 919 (BJTC FM 1229).	en	Mao, Ning, Xu, Yu-Yan, Fan, Li (2021): Three new species of Tricholomopsis (incertae sedis) from North China based on morphological and molecular data. Phytotaxa 507 (2): 155-166, DOI: 10.11646/phytotaxa.507.2.3, URL: http://dx.doi.org/10.11646/phytotaxa.507.2.3
2C666A26E8460F2BFF7716976716FD28.taxon	diagnosis	Diagnosis: — Pileus 14 – 27 (– 57) mm diam, light yellow to pale yellow, covered with dark orange fibrillose scales, basidiospores ellipsoid to almost cylindrical, Q = (1.50 –) 1.67 – 2.0 (– 2.67), cheilocystidia cylindrical to clavate, pleurocystidia abundant. Etymology: — ‘ pallidolutea ’, refers to the pale yellow color of the basidiomes. Holotype: CHINA. Shanxi Province, Ningwu County, Damiao Village, Luya Mountain, elev. 2010 m, 5 September 2020, on the trunk of a dead tree in a coniferous forest dominated by Larix principis-rupprechtii, H. Liu LH 1254 (BJTC FM 1184). Description: — Basidiomes growing singly or in clusters. Pileus 14 – 27 (– 57) mm diam, hemispherical and convex with an inflexed margin, dry, light yellow (# ffff 8 c) to pale yellow (# ffffd 8) when young and fresh, covered densely with small, dark orange (# a 5682 a) fibrillose scales. Context yellowish, thin. Lamellae 1.5 – 2.0 mm broad, free, adnate to subdecurrent, pale yellow (# ffffeb), edge entire; lamellulae in 1 – 2 tiers, concolorous with lamellae. Stipe 20 – 98 × 5 – 8 mm, cylindrical, hollow, straight, smooth, dry, moderate orange (# d 69 b 5 e). Taste not recorded. Smell indistinct. Spore print white. Basidiospores [30 / 2 / 2] (4 –) 6 – 7 (– 9) × (2.5 –) 3 – 4 (– 5) μm; [Q = (1.50 –) 1.67 – 2.0 (– 2.67), avQ = 1.77 ± 0.33]; ellipsoid to almost cylindrical, smooth, thin-walled, hyaline, usually containing one large oil droplet. Basidia 26 – 35 (– 38) × 5 – 8 μm, (2 –) 4 - spored, narrowly clavate; with basal clamp connection. Lamella edge sterile. Cheilocystidia prominent, often in clusters, (35 –) 45 – 65 × (8 –) 12 – 18 (– 21) μm, cylindrical to clavate, slightly thick-walled, hyaline, occasionally with yellow pigment. Pleurocystidia abundant, 35 – 45 × 5 – 7 μm, cylindrical or narrowly clavate, slightly flexuose, hyaline, thin-walled. Lamellar trama composed of regular hyphae 3 – 13 μm diam, cells cylindrical to slightly inflated, pale yellow, crystals sometimes present among the lamellar trama hyphae. Pileipellis a cutis, composed of densely arranged parallel to slightly inflated hyphae, 3 – 20 μm diam, with pale yellow to brown intraparietal and homogeneous or fine granular intracellular pigment, rising at intervals to form fascicles. Stipitipellis a thin cutis of regular cylindrical hyphae of 3 – 14 μm diam, with hyaline to pale yellow-brown content. Clamp connections present in all tissues. Habit, habitat and distribution: — on the trunk of a dead tree in a coniferous forest dominated by Larix principisrupprechtii, to date, only known from Shanxi Province, China. Additional specimens examined: — CHINA. Shanxi Province, Jiaocheng County, Guandi Mountains, 37 ° 51 ’ 40 ’’ N, 111 ° 27 ’ 8 ’’ E, elev. 1930 m 5 September 2018, on the trunk of a dead tree in a forest of Larix principis-rupprechtii, H. Liu LH 398 (HSA 398); ibid. 37 ° 51 ’ 37 ’’ N, 111 ° 27 ’ 0 ’’ E, elev. 1880 m, 31 August 2018, on the trunk of a dead tree in a forest of Larix principis-rupprechtii, H. Liu LH 321 (HSA 321)	en	Mao, Ning, Xu, Yu-Yan, Fan, Li (2021): Three new species of Tricholomopsis (incertae sedis) from North China based on morphological and molecular data. Phytotaxa 507 (2): 155-166, DOI: 10.11646/phytotaxa.507.2.3, URL: http://dx.doi.org/10.11646/phytotaxa.507.2.3
2C666A26E8450F25FF77144B667DFE64.taxon	diagnosis	Diagnosis: — Pileus 60 – 80 mm diam, yellow-brown to red-brown, covered with yellow-brown to red-brown fibrillose scales, lamellae crowded, free, white to pale yellowish, basidiospores ellipsoid, Q = (1.33 –) 1.42 – 1.67 (– 1.75), cheilocystidia narrowly clavate to sphaeropedunculate, pleurocystidia abundant. Etymology: — ‘ mitirubicunda ’, refers to the soft pink color of the pileus margin and stipe. Holotype: — CHINA. Shanxi Province, Yicheng County, Shihe Forest Farm, 35 ° 29 ’ 40 ’’ N, 112 ° 5 ’ 41 ’’ E, elev. 1960 m, 20 August 2019, on fallen wood in a forest of Pinus sp., H. Liu LH 688 (BJTC FM 649). Description: — Basidiomes growing singly or in clusters. Pileus 60 – 80 mm diam, plano-convex with inflexed or turned up margin, margin cracking with age, yellow-brown (# 8 b 4513) to red-brown (# bb 6528), densely covered with small, yellow-brown (# 8 b 4513) to red-brown (# bb 6528) fibrillose scales, margin of pileus red-violet (# c 71585) with tints of soft pink (# de 6 fa 1). Context not recorded. Lamellae 3.0 – 5.0 mm broad, crowded, adnate to subdecurrent, white to pale yellowish (# ffffeb), edge entire. Stipe 60 – 90 × 23 – 25 mm, cylindrical, straight to curved, smooth, at first whitish (# faebd 7) to pale yellow (# ffffeb), then soft pink (# de 6 fa 1) and moderate orange (# cc 8236). Taste not recorded. Smell indistinct. Spore print white. Basidiospores [30 / 1 / 1] (4.5 –) 5 – 6 (– 7) × (3.0 –) 3.5 – 4 (– 4.5) μm; [Q = (1.33 –) 1.42 – 1.67 (– 1.75), avQ = 1.50 ± 0.14]; mostly ellipsoid, some oblong-ellipsoid, smooth, thin-walled, hyaline, or with one large oil droplet. Basidia 28 – 40 × 5 – 7 μm, (2 –) 4 - spored, cylindrical to narrowly clavate, often slightly constricted in the median part, with basal clamp connection; sterigmata narrow 3 – 6 μm long. Cheilocystidia prominent, large, often in clusters, (40 –) 60 – 90 × (14 –) 16 – 28 μm, variable in size and shape, mostly narrowly clavate to sphaeropedunculate, but also fusiform or broadly ellipsoid slightly thick-walled, hyaline. Pleurocystidia abundant, 38 – 50 × 5 – 6.5 μm, cylindrical or narrowly clavate, slightly flexuose, hyaline, thin-walled. Lamellar trama composed of regular, parallel to subparallel long, cylindrical, or slightly inflated hyphae, 5 – 34 μm diam, hyaline or with a fine granular intracellular pigment. Pileipellis a cutis, composed of hyphae 2.5 – 16 μm diam with homogeneous pale yellow to bronze pigment, yellow-brown intraparietal pigment and hyphae becoming erect and forming fascicles at intervals. Stipitipellis a thin cutis of cylindrical hyphae of 4 – 15 μm diam, with hyaline to pale yellow-brown content. Clamp connections present in all tissues. Habit, habitat and distribution: — single or grouped on the trunk of a dead tree in a forest of Pinus sp., to date only known from Shanxi Province, China.	en	Mao, Ning, Xu, Yu-Yan, Fan, Li (2021): Three new species of Tricholomopsis (incertae sedis) from North China based on morphological and molecular data. Phytotaxa 507 (2): 155-166, DOI: 10.11646/phytotaxa.507.2.3, URL: http://dx.doi.org/10.11646/phytotaxa.507.2.3
