taxonID	type	description	language	source
3696043B86B658CB8967FCFC7931D550.taxon	description	Fig. 2	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
3696043B86B658CB8967FCFC7931D550.taxon	description	Description. Saprobic on a dry palm branch. Sexual morph: Ascomata 440 – 680 µm wide, 470 – 540 µm high, immersed, solitary or gregarious, appearing as small black spot, in cross-section globose to subglobose with a flattened base. Ostioles centric, slightly papillate, black, slightly higher than the surface of the host. Peridium 12 – 27.4 µm thick, comprised of two layers; outer layer composed of thick-walled, dark-brown, cells of textura angularis; inner layer composed of thin-walled, hyaline, cells of textura angularis. Paraphyses 2 – 5 µm (x ̄ = 3 µm, n = 30) wide, longer than the asci, numerous, filamentous, guttulate. Asci 185 – 260 × 15 – 35 µm (x ̄ = 216 × 23 µm, n = 30) 8 - spored, unitunicate, clavate-cylindrical, short-pedicellate, apically rounded, with non-amyloid apical apparatus. Ascospores 20 – 27.5 × 8.5 – 11.5 µm (x ̄ = 25 × 10 µm, n = 30), overlapping unicellular, fusiform with rounded ends, dark brown, covered with a thick mucilaginous sheath measuring 4 – 14.5 µm (x ̄ = 8.0 µm, n = 30), with a straight germ slit on the centre, ca. 1 / 4 of the length of the spore. Asexual morph: not found.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
3696043B86B658CB8967FCFC7931D550.taxon	description	Culture characteristics. Ascospores germinated on PDA within 24 hours. Colonies reaching 55 mm diam., after 4 weeks at 24 – 27 ° C on PDA. Colony surface white towards edges, dirty brown at centre, with densely mycelium, cottony, circular, velvety, smooth-edged, centre raised; reverse pale brown.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
34924B4BB6225246B9E94A5BD319D90E.taxon	description	Description. Sexual morph: Ascomata immersed, globose to subglobose, ostiolate. Peridium bilayered, outer dark brown, inner hyaline, cell textura angularis. Paraphyses filamentous, guttulate. Asci 8 - spored, unitunicate, clavate-cylindrical, short-pedicellate, apical apparatus inamyloid. Ascospores unicellular, fusiform with rounded ends, dark brown, surrounded by a distinct mucilaginous sheath, germ slit centre, ca. 1 / 4 of the length of the ascospore. Asexual morph: Conidiophore dark, unbranched, emerging from immersed stromata, macronematous, mononematous, conidiogenous cells polyblastic with sympodial proliferation. Conidia pigmented, 1 - celled, often reniform.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
34924B4BB6225246B9E94A5BD319D90E.taxon	type_taxon	Type species. Melanographium selenioides (Sacc. & Paol.) M. B. Ellis = M. spleniosporum Sacc.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
8587E8351B66576CB76EA2768E39C003.taxon	description	Fig. 3	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
8587E8351B66576CB76EA2768E39C003.taxon	etymology	Etymology. The specific epithet “ puerzhenensis ” refers to Puer Village, where the holotype specimen was collected.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
8587E8351B66576CB76EA2768E39C003.taxon	description	Description. Saprobic on dead culms of bamboo. Sexual morph: Ascomata 870 – 1230 µm wide, 760 – 910 µm high, immersed, solitary, scattered, appearing as small black dots, with minute clypeus, in cross-section globose to subglobose with a flattened base. Ostioles centric, slightly papillate, black, flush with the surface of the host. Peridium 15 – 36.5 µm thick, comprised of two layers; outer layer composed of thick-walled, dense, dark brown, cells of textura angularis; inner layer hyaline cells of textura angularis. Paraphyses 2 – 6 µm (x ̄ = 4 µm, n = 30) wide, longer than the asci, numerous, filamentous, guttulate. Asci 159 – 233 × 10 – 26 µm (x ̄ = 190 × 17.5 µm, n = 30) 8 - spored, unitunicate, cylindrical, short-pedicellate, apically rounded, with a J +, discoid apical apparatus, 0.5 – 1.7 µm high, 2.5 – 4.5 µm wide (x ̄ = 1.0 × 3.5 µm, n = 30). Ascospores 13 – 20 × 5.6 – 7.5 µm (x ̄ = 16 × 6.5 µm, n = 30), uniseriate, unicellular, brown to dark brown, oblong to broadly ellipsoidal, with a germ slit, straight, along the entire spore length, surrounded by thick 2 – 6 µm (x ̄ = 3 µm, n = 30) mucilaginous sheath. Asexual morph: Undetermined.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
385FBE716B415C878FBA70B5083D3E91.taxon	description	Fig. 4	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
385FBE716B415C878FBA70B5083D3E91.taxon	etymology	Etymology. The specific epithet “ shiwandashanensis ” refers to Shiwandashan National Nature Reserve, where the holotype specimen was collected.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
385FBE716B415C878FBA70B5083D3E91.taxon	description	Description. Saprobic on dead culms of bamboo. Sexual morph: Ascomata 610 – 1180 µm wide, 490 – 730 µm high, immersed, solitary, scattered, appearing as small black dots, in cross-section globose to subglobose with a flattened base. Ostioles centric, slightly papillate, black, covered with black, thick-walled clypeus. Peridium 8 – 12.5 µm thick, comprised of two layers; outer layer composed of thick-walled, dense, dark brown cells of textura angularis; inner layer hyaline cells of textura angularis. Paraphyses 2.5 – 7.3 µm (x ̄ = 6.1 µm, n = 30) wide, longer than the asci, numerous, filamentous, contain white intracellular material. Asci 167 – 220 × 10 – 24 µm (x ̄ = 195.5 × 17.5 µm, n = 30), 8 - spored, unitunicate, cylindrical, short-pedicellate, apically rounded, with a J +, discoid apical apparatus, 1 – 2 µm high, 3 – 5 µm wide (x ̄ = 1.5 × 4 µm, n = 30). Ascospores 15 – 24 × 5.5 – 9 µm (x ̄ = 19.7 × 7.0 µm, n = 30), uniseriate, unicellular, brown to dark brown, oblong to broadly ellipsoidal, surrounded by 2 – 5 µm (x ̄ = 3.7 µm, n = 30) thick mucilaginous sheath, with a straight germ slit along the entire spore length. Asexual morph: Undetermined.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
385FBE716B415C878FBA70B5083D3E91.taxon	description	Culture characteristics. Ascospores germinated on PDA within 36 hours. Colonies grow fast, reaching 2 cm in 1 week at 24 – 27 ° C. Colony surface white, velvety to hairy, thin, nearly circular; reverse, pale yellowish.	en	Lu, Chang-Tao, Ren, Yu-Lin, Habib, Kamran, Zhang, Qin-Fang, Liu, Li-Li, Kang, Ji-Chuan, Shen, Xiang-Chun, Wijayawardene, Nalin N., Al-Rejaie, Salim S., Loinheuang, Chanhom, Li, Qi-Rui, Long, Qing-De, Elgorban, Abdallah M. (2025): Two new species of Nigropunctata and the first report of sexual morph of Melanographium citri (Pallidoperidiaceae, Xylariales) from south-western China. MycoKeys 122: 257-275, DOI: 10.3897/mycokeys.122.161215
