taxonID	type	description	language	source
4E61A08B98F054D798118A73DD214E82.taxon	etymology	Etymology. The epithet refers to the species found in Chifeng City in north-eastern China.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
4E61A08B98F054D798118A73DD214E82.taxon	diagnosis	Diagnosis. The new species is distinguished from M. exscissa in having yellowish tinct pileus and without any type of cystidia.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
4E61A08B98F054D798118A73DD214E82.taxon	materials_examined	Type. China. Inner Mongolia: Chifeng City, Linxi County, Xinlin Town, Dauran Village, alt. 1200 m, 44.00 ° N, 118.07 ° E, 21 Aug 2017, H. B. Guo (SYAU-FUNGI- 059).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
4E61A08B98F054D798118A73DD214E82.taxon	description	Description. Pileus 30 - 60 mm diam., flat at first, becoming depressed at disc when mature, margin sometimes cracking, surface glabrous, grey to yellowish-grey (4 B 1 to 4 B 2), greyish-brown (4 B 4 to 4 B 6) at centre, often darker at margin. Lamellae crowded, adnate to decurrent, white to yellowish-white (4 A 2), 2.5 - 3.0 mm broad, with lamellulae, edge entire. Stipe cylindrical, 20 - 35 mm long x 2 - 5 mm diam., central, broadened at base, solid, surface grey to yellowish-grey at first (4 B 1 to 4 B 2), becoming yellowish-brown (5 D 8, 5 E 8) with age or after touching, striate, often with whitish basal tomentum. Pileus context up to 10 mm thick near stipe attachment, thin at margin, yellowish-grey (4 B 2), grayish brown to yellowish brown (5 D 3 to 5 E 5) in stipe cortex, up to brown (6 E 7) in stipe base. Odour none, taste mild. Spore print white. Basidiospores (90 / 6 / 2) 7.0 - 8.5 (9.0) x 4.0 - 6.2 (6.5) μm, av. 7.5 x 5.2 μm, Q = 1.40 - 1.45 (1.50), ellipsoid, hyaline, amyloid, ornamentation verruculose, with irregular warts, sometimes with ridges. Basidia (20) 23 - 29 (30) x (7.0) 7.5 - 9.0 (10.0) μm, av. 26 x 8.5 μm, clavate, 4 - spored, sometimes 2 - spored, subhyaline. Hymenial cystidia absent, lamella edge sterile. Hymenophoral trama 42 - 85 μm broad, regular with thin-walled hyphae 5.5 - 16.5 μm diam., hyphae not pigmented. Subhymenium poorly developed. Pileipellis a cutis of numerous repent branched hyphae, 5.5 - 7.5 μm wide, thin-walled. Stipitipellis hyphae 3.5 - 8.0 μm diam., thin-walled, hyaline. Caulocystidia absent. Clamp connections absent.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
4E61A08B98F054D798118A73DD214E82.taxon	distribution	Habit, ecology and distribution. On soil or meadow outside of a forest, often on the roadside near a forest. Known from north-eastern China.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
4E61A08B98F054D798118A73DD214E82.taxon	materials_examined	Additional specimens examined. China. Inner Mongolia: Chifeng City, Linxi County, Xinlin Town, Dauran Village, alt. 1201 m, 44.07 ° N, 118.08 ° E, 22 Aug 2017, H. B. Guo (SYAU-FUNGI- 060).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	etymology	Etymology. The epithet refers to the colour of the pileus which is greyish-brown.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	diagnosis	Diagnosis. The new species is distinguished from M. exscissa in having adnexed to adnate lamellae and fusiform cheilocystidia.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	materials_examined	Type. China. Liaoning Province: Shenyang City, Tianzhu Mountain, on the soil in woods, 31 Aug 2019, X. D. Yu (holotype: SYAU-FUNGI- 062).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	description	Description. Pileus 35 - 60 mm diam., flat at first, then gradually depressed, margin slightly inflexed when mature, surface fibrillose, greyish-brown (4 B 3 to 4 B 5), becoming deep yellow (4 C 6 to 4 C 8) at centre. Lamellae crowded, adnexed to adnate, white, 2.5 - 3.0 mm broad, with lamellulae, edge entire. Stipe cylindrical, 30 - 50 mm long x 3 - 5 mm diam., central, somewhat broadened at the base, fibrous, expanded at base, solid, surface yellowish-grey to greyish at first (4 B 2 to 4 C 2), becoming yellowish-brown (5 E 7 to 5 E 8) with age, striate, with whitish basal tomentum. Pileus context up to 10 mm thick near stipe attachment, thin at margin, greyish-yellow to yellowish-grey (4 B 4 to 4 B 2), yellowish-grey (4 B 2) in stipe cortex, whitish in stipe base. Odour none, taste mild. Spore deposit white. Basidiospores (234 / 10 / 8) (5.0) 6.0 - 7.2 (8.0) x 4.0 - 5.0 (6.0) μm, av. 6.5 x 4.5 μm, Q = (1.30) 1.45 - 1.55 (1.60), ellipsoid, hyaline, amyloid, ornamentation verruculose, warts with ridges, almost reticulate. Basidia (18) 20 - 25 (28) x (4.0) 5.0 - 6.5 (7.0) μm, av. 22 x 6.0 μm, clavate, 4 - spored, occasionally 2 - spored, hyaline. Cheilocystidia (40) 45 - 55 (60) x (6.0) 8.0 - 12.0 (15.0) μm, fusiform, thin-walled, with encrusted crystals at apex, abundance. Pleurocystidia scattered, similar to cheilocystidia. Hymenophoral trama 90 - 150 μm broad, regular with thin-walled hyphae 3.0 - 14.0 μm diam., hyphae not pigmented, lamella edge sterile, Subhymenium poorly developed. Pileipellis a cutis of numerous repent branched hyphae 7.5 - 10.5 μm wide, thin-walled, pigmented with light violet. Stipitipellis hyphae 3 - 10.0 μm diam., smooth, thin-walled, pigmented. Caulocystidia of two types of cells, (1) 40 - 90 x 6.0 - 10.0 μm, fusiform, thin-walled, some with encrusted crystals at apex, similar to cheilocystidia; (2) 30 - 40 x 7.0 - 10.0 μm, clavate, thin-walled, without crystals. Clamp connections absent.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	distribution	Habit, habitat and distribution. Solitary, saprotrophic on the soil, on the grass, on roadsides, in woods. Known from north-eastern China.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
E6EA153854385C39845B897F66F8EA13.taxon	materials_examined	Additional specimens examined. China. Liaoning Province: Shenyang City, Tianzhu Mountain, on the soil in woods, 31 Aug 2019, X. D. Yu (SYAU-FUNGI- 063); Fuxin City, Haitang Mountain, on roadsides, 20 Jul 2019, H. B. Guo (SYAU-FUNGI- 061). Inner Mongolia: Chifeng City, Linxi County, Xinlin Town, Dauran Village, alt. 1286 m, 43.08 ° N, 118.07 ° E, 22 Aug 2017, X. D. Yu (SYAU-FUNGI- 064). Chifeng City, Karakqin Banner, Maanshan, 2 Sep 2019, T. Z. Liu & Y. M. Gao (CFSZ 21439).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	etymology	Etymology. The epithet refers to the species which has a pallid rose pileus.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	diagnosis	Diagnosis. The new species is distinguished from M. grammopodia and M. leucopoda in having a pinkish-white pileus.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	materials_examined	Type. China. Inner Mongolia: Xilingole League, Xiwuzhumuqin Banner, on the grass in woods, 1051 m alt., 44.48 ° N, 117.86 ° E, 22 Aug 2017, X. D. Yu (holotype: SYAU-FUNGI- 058).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	description	Description. Pileus 30 - 65 mm diam., flat, with depressed centre, margin slightly undulating, expanding to uplifted, sometimes slightly lacerate when mature, surface glabrous, camel (9 E 8 to 10 E 8) at centre, pinkish-white (10 A 3 to 10 A 4) towards the margin. Lamellae rather distant, adnate to decurrent, white, 3.0 - 4.5 mm broad, with lamellulae of two lengths, but not intervening, edge entire. Stipe cylindrical, 20 - 50 mm long x 5 - 8 mm diam., in upper part of stipe apricot (6 C 8 to 6 D 8), becoming yellowish-brown (5 E 8) towards base, with whitish flocculose apex, longitudinally striate, with whitish basal tomentum. Context up to 2 - 5 mm thick at the pileus base, whitish to creamy, whitish in stipe cortex and base. Smell fungoid smell, taste mild. Spore print white. Basidiospores (130 / 7 / 4) (6.5) 7.0 - 8.5 (9.0) x 5.0 - 6.0 (6.5) μm, av. 7.4 x 5.5 μm, Q = (1.28) 1.31 - 1.40 (1.44), ellipsoid, hyaline, ornamentation verruculose, warts mainly round and scattered, amyloid. Basidia (20) 25 - 33 (35) x (6.0) 6.5 - 9.5 (10.5) μm, av. 28 x 8.5 μm, clavate, 4 - spored, occasionally 2 - spored, subhyaline. Hymenial cystidia absent. Lamella edge sterile. Hymenophoral trama 95 - 159 μm wide, regular, with thin-walled hyphae, 5.0 - 10.0 μm diam., hyphae not pigmented. Subhymenium poorly developed. Pileipellis a cutis of numerous repent branched hyphae, 4.0 - 10.0 μm wide, inflated cell to 21.0 μm, thin-walled. Stipitipellis hyphae 7.0 - 10.0 μm, thin-walled, hyaline. Caulocystidia absent. Clamp connections absent.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	distribution	Habit, ecology and distribution. Solitary or in small group, saprotrophic in grass. Known from north-eastern China.	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
BAA9BA5BCBA55AB18F3516252AC25C77.taxon	materials_examined	Additional specimens examined. China. Inner Mongolia: Xilingole League, Xiwuzhumuqin Banner, on the grass in woods, 1051 m alt., 44.48 ° N, 117.86 ° E, 22 Aug 2017, X. D. Yu (SYAU-FUNGI- 065). Chifeng City, Bahrain Banner Saihanwula, 10 Sep 2016, T. Z. Liu & Z. L. Song (CFSZ 12136); 12 Sep 2016, T. Z. Liu & Z. L. Song (CFSZ 12253).	en	Pei, Ying, Guo, Hong-Bo, Liu, Tie-Zhi, Qin, Wei-Qiang, Zhao, Di, Qi, Xiao-Jian, Yu, Xiao-Dan (2021): Three new Melanoleuca species (Agaricales, Basidiomycota) from north-eastern China, supported by morphological and molecular data. MycoKeys 80: 133-148, DOI: http://dx.doi.org/10.3897/mycokeys.80.64369, URL: http://dx.doi.org/10.3897/mycokeys.80.64369
