taxonID	type	description	language	source
E5DEFE745F9A51F3B1D4E15C29F9F1AD.taxon	description	Fig. 2	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
E5DEFE745F9A51F3B1D4E15C29F9F1AD.taxon	etymology	Etymology. The epithet “ ailaoensis ” refers to the collection site, Ailao Mountain, where the holotype specimen was collected.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
E5DEFE745F9A51F3B1D4E15C29F9F1AD.taxon	description	Description. Saprobic on the dead bark. Sexual morph: Apothecia scattered to partly gregarious, superficial, 1 – 2.4 mm in diameter, 0.4 – 1.4 mm high when dry, discoid to cupulate, shortly stipitate, externally covered with short, white to brown hairs. Disc concave, surface slightly rough, yellow to brown. Margin flat to slightly involute, pale yellow, covered with yellow to pale brown hairs. Receptacle discoid to cupulate, yellow to pale brown, clothed entirely with short, yellow to pale brown hairs. Stipe 0.2 – 1 mm in diameter, 0.2 – 0.6 mm long when dry, cylindrical, solitary, yellow to pale brown, clothed with yellow to pale brown hairs. Hairs 22 – 92 × 3.0 – 4.3 µm (x ̄ = 51 × 3.7 µm, n = 30), clavate to cylindrical, straight to slightly curved, septate, hyaline, thick-walled, covered with hyaline granules, obtuse apex, apical amorphous or resinous material. Hymenium 120 – 230 µm (x ̄ = 153 µm, n = 12), concave, surface slightly rough, light yellowish brown in dry. Medullary excipulum 40 – 90 µm (x ̄ = 58 µm, n = 20), thin, hyaline to light yellow, thin-walled, smooth cells of textura oblita, 2.1 – 5.9 µm (x ̄ = 3.7 µm, n = 50) in diameter. Ectal excipulum 55 – 80 µm (x ̄ = 65 µm, n = 20), thin-walled, smooth, light yellowish cells of textura prismatica to globulosa, 2 – 4.9 µm (x ̄ = 3.0 µm, n = 60) in diameter. Paraphyses 100 – 138 × 1.6 – 3.9 µm (x ̄ = 117 × 2.8 µm, n = 25), longer than asci, filiform, straight to slightly curved, aseptate, hyaline, thin-walled, rough, with slightly acute apex. Asci 85 – 143 × (4.5 –) 5.5 – 9.0 (– 9.5) µm (x ̄ = 100 × 7.3 µm, n = 34), 8 - spored, unitunicate, overlapping fascicles, clavate, straight to slightly curved, inoperculate, hyaline, apically thickened wall, laterally relatively thin, slightly smooth, with an apical, non-amyloid pore and tapered ends, J- in MLZ. Ascospores (50 / 14 / 2) (43.0 –) 45.5 – 97 (– 101.0) × 1.4 – 2.4 (– 2.6) µm, (x ̄ = 68 × 1.9 µm), fascicled, filiform, multi-septate, thin-walled, hyaline, rough with taper, obtuse ends, without oil guttules, hyaline, slightly smooth. Asexual morph: Not observed.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
3990227C959B58C4B102458622D471C8.taxon	description	Fig. 3	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
3990227C959B58C4B102458622D471C8.taxon	etymology	Etymology. The epithet “ baimana ” refers to the collection site, Baima Mountain, where the holotype specimen was collected.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
3990227C959B58C4B102458622D471C8.taxon	description	Description. Saprobic on dead twigs. Sexual morph: Apothecia superficial, gregarious, 0.3 – 1.1 mm in diameter, 0.3 – 1.4 mm high when dry, discoid to cupulate, long stipitate, externally covered with short, white hairs. Disc concave, surface slightly smooth, yellow. Margin flat to slightly involute, white, covered with white hairs. Receptacle cupulate to discoid, white, covered entirely with short, white hairs. Stipe 0.2 – 0.6 mm in diameter, 0.3 – 1.1 mm long when dry, cylindrical, solitary, white, clothed with white hairs. Hairs 30 – 120 × 2.8 – 4.7 µm (x ̄ = 74 × 3.7 µm, n = 30), clavate to cylindrical, straight to slightly curved, aseptate, hyaline, thin-walled, covered with fine granules, obtuse apex, lacks apical amorphous. Hymenium 165 – 230 µm (x ̄ = 195 µm, n = 12), concave, surface slightly smooth, yellow in dry. Medullary excipulum 35 – 120 µm (x ̄ = 70 µm, n = 18), thin, hyaline, thin-walled cells of textura porrecta, 1.3 – 3.8 µm (x ̄ = 2.5 µm, n = 50) in diameter. Ectal excipulum 40 – 120 µm (x ̄ = 68 µm, n = 18) thin, thin-walled, smooth, light yellowish cells of textura porrecta to oblita, 1.9 – 6.3 µm (x ̄ = 4.1 µm, n = 60) in diameter. Paraphyses 95 – 170 × 1.2 – 2.5 µm (x ̄ = 140 × 1.6 µm, n = 25), longer than asci, filiform, straight to slightly curved, aseptate, hyaline, light smooth, with slightly obtuse apex. Asci 100 – 152 × 3.6 – 9.5 µm (x ̄ = 123 × 7.2 µm, n = 34), 8 - spored, unitunicate, clavate, straight to slightly curved, inoperculate, hyaline, slightly smooth, with an apical, amyloid pore and rounded ends, J + in MLZ, tapered long stipitate base. Ascospores (85 / 7 / 2) (29.5 –) 30.5 – 37.5 (– 40.0) × 2.2 – 5.0 (– 5.5) µm, (x ̄ = 32.9 × 4.1 µm, n = 85), biseriate, fusoid-clavate with blunt ends, fusiform, 1 – 3 - septate, thin-walled, hyaline, slightly smooth, tapering towards the obtuse ends, with longitudinal striations, without oil guttules. Asexual morph: Not observed.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
D23E127DD20D555197510FBBBFC813D3.taxon	description	Fig. 4	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
D23E127DD20D555197510FBBBFC813D3.taxon	etymology	Etymology. The epithet “ gelangheica ” refers to the collection site Gelanghe township where the holotype specimen was collected.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
D23E127DD20D555197510FBBBFC813D3.taxon	description	Description. Saprobic on dead bark. Sexual morph: Apothecia scattered to partly gregarious, superficial, 0.24 – 0.5 mm in diameter, 0.35 – 0.5 mm high when dry, discoid to cupulate, long stipitate, externally covered with short, white to yellowish hairs. Discs concave, surface slightly rough, white to yellow. Margin flat to slightly involute, white to pale yellow, covered with white to pale yellow hairs. Receptacle discoid to cupulate, white to pale brown, clothed entirely with short, white to slightly yellow hairs. Stipe 0.06 – 0.18 mm in diameter, 0.14 – 0.3 mm long when dry, cylindrical, solitary, white to pale yellow, clothed with white to pale yellow hairs. Hairs 28 – 117 × 1.6 – 3.9 µm (x ̄ = 60 × 2.9 µm, n = 30), clavate to cylindrical, straight to slightly curved, septate, hyaline, thin-walled, covered with hyaline granules, obtuse apex. Hymenium 65 – 120 µm (x ̄ = 85 µm, n = 12), concave, surface slightly rough, light yellow in dry. Medullary excipulum 23.5 – 65 µm (x ̄ = 37 µm, n = 18), thin, hyaline to light yellow, thin-walled cells of textura intricata, 1.3 – 3.6 µm (x ̄ = 2.2 µm, n = 50) in diameter. Ectal excipulum 20 – 95 µm (x ̄ = 48 µm, n = 18) thick, thin-walled, smooth, hyaline cells of textura porrecta to textura globulosa, 1.6 – 4.2 µm (x ̄ = 2.7 µm, n = 60). Paraphyses 25 – 68 × 0.9 – 2.0 µm (x ̄ = 43 × 1.3 µm, n = 25), longer than asci, filiform, straight, aseptate, hyaline, thin-walled, rough, with slightly acute apex. Asci 35 – 58 × 2.2 – 3.60 µm (x ̄ = 46 × 3.0 µm, n = 34), 8 - spored, unitunicate, clavate, straight to slightly curved, inoperculate, hyaline, wall apically thickened, laterally relatively thin, slightly smooth, with an apical, amyloid pore and tapered ends, J + in MLZ. Ascospores (85 / 6 / 2) 6.0 – 8.3 × 1.2 – 1.8 µm, (x ̄ = 7.3 × 1.5 µm, n = 86), partially biseriate, filiform, aseptate, thin-walled, hyaline, rough with tapering towards the obtuse ends, partially oil guttules, subspherical, hyaline, slightly smooth. Asexual morph: Not observed.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
DB27D0741CBF57D68D6462275C92C5D3.taxon	description	Fig. 5	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
DB27D0741CBF57D68D6462275C92C5D3.taxon	etymology	Etymology. The epithet refers to the collection site of the type specimen.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
DB27D0741CBF57D68D6462275C92C5D3.taxon	description	Description. Saprobic on the dead twigs. Sexual morph: Apothecia superficial, scattered to partly gregarious, 0.16 – 0.68 mm in diameter, 0.3 – 0.7 mm high when dry, discoid to cupulate, shortly stipitate, externally covered with short, white hairs. Discs concave, surface slightly rough, white. Margin slightly involute, white, covered with white hairs. Receptacle cupulate, concolorous, clothed entirely with short, white hairs. Stipe 0.09 – 0.23 mm in diameter, 0.18 – 0.4 mm long when dry, cylindrical, solitary, concolorous with the receptacle, clothed with white hairs. Hairs 45 – 95 × 2.8 – 6.9 µm (x ̄ = 68 × 4.8 µm, n = 10), clavate to cylindrical, straight or curved, septate, hyaline, thin-walled, less covered with hyaline granules, obtuse apex. Hymenium 65 – 115 µm (x ̄ = 87 µm, n = 12), concave, surface slightly rough, light white in dry. Medullary excipulum 18 – 33 µm (x ̄ = 26 µm, n = 18), thick, comprising hyaline, thin-walled, poorly developed cells of textura globulosa, 1.4 – 3.5 µm (x ̄ = 2.4 µm, n = 50) in diameter. Ectal excipulum 11 – 30 µm (x ̄ = 21 µm, n = 18) thick, comprising thick-walled, smooth, light yellowish cells of textura oblita to textura porrecta, 1.2 – 3.8 µm (x ̄ = 2.2 µm, n = 60). Paraphyses 65 – 97 × 1.8 – 3.0 µm (x ̄ = 86 × 2.5 µm, n = 25), longer than asci, filiform, straight, aseptate, hyaline, thin-walled, narrow lanceolate, smooth, less covered with hyaline granules, with slightly obtuse apex. Asci 60 – 80 × 6.0 – 9.3 µm (x ̄ = 70 × 7.6 µm, n = 34), 8 - spored, clavate, straight to slightly curved, inoperculate, hyaline, unitunicate, slightly smooth, with an apical, amyloid pore and rounded ends, croziers absent at the basal septum, J + in MLZ. Ascospores (80 / 6 / 2) 25 – 31.5 × 1.6 – 5.5 µm, (x ̄ = 27.7 × 3.3 µm, n = 80), overlapping biseriate, filiform, aseptate, thin-walled, hyaline, rough with tapering towards obtuse ends, filled with oil guttules or with 1 – 2 - large oil guttules. Asexual morph: Not observed.	en	Luo, Le, Thilini Chethana, Kandawatte W., Zhao, Qi, Su, Hong-Li, Li, Cui-Jin-Yi, Thiyagaraja, Vinodhini, Al-Otibi, Fatimah, Hyde, Kevin D. (2025): Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China. MycoKeys 114: 29-48, DOI: 10.3897/mycokeys.114.138647
