taxonID	type	description	language	source
B523B224648750D1B446FD1EEFCA1849.taxon	description	Fig. 3 a – d	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
B523B224648750D1B446FD1EEFCA1849.taxon	diagnosis	Diagnosis. Melanogaster cyaneus is diagnosed by its blue or bluish gleba, rhizomorphs on the base, thinner peridium (100 – 400 μm), and longer and wider basidiospores (6.2 – 15 × 4.6 – 9.0 μm).	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
B523B224648750D1B446FD1EEFCA1849.taxon	etymology	Etymology. The epithet cyaneus refers to the blue or bluish gleba.	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
B523B224648750D1B446FD1EEFCA1849.taxon	description	Description. Basidiomata 2.5 – 4.0 × 1.5 – 2.5 cm, hypogeous or semi-hypogeous, subglobose to ellipsoidal, occasionally elongate; light brown to yellowish brown, with mycelial strands attached in the base (Fig. 3 a). Peridium two-layered, outer layer 20 – 75 μm thick, composed of interwoven hyphae, orange-yellow to reddish, 2 – 4 μm broad, thick-walled, clamp connections present; inner layer 145 – 335 μm thick, composed of interwoven, strongly gelatinized hyphae, 2 – 5 μm broad, pale-yellow, intermixed with massive inflated cells, 6 – 12 μm broad, with clamp connections present. Gleba solid, gelatinous, milk-white when immature, blue or bluish at mature; trama plates pale-yellow, of gelatinized hyphae (Fig. 3 b); locules small, filled with black spores (Fig. 3 c). Basidia exhibit limited revival, appearing clavate, hyaline, 4 - spores, randomly distributed, gelatinized at maturity. Basidiospores subglobose to globose, 6.2 – 15 × 4.6 – 9.0 μm (L m × W m = 9.5 ± 3.0 × 7.0 ± 2.0, Q = 1.0 – 2.0, Q m = 1.4 ± 0.6, n = 75), smooth, hyaline when immature, light yellow to reddish at maturity, surfaces display distinctive spots, and optical microscopy reveals a notable hilar appendage, 0.5 – 1.0 μm in diam (Fig. 3 d).	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
178640806B995FAF84B16F4D8EEA6420.taxon	description	Fig. 3 e – h	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
178640806B995FAF84B16F4D8EEA6420.taxon	diagnosis	Diagnosis. Melanogaster diqingensis is diagnosed by the combination of medium-sized, pale-yellow to orange or brown-yellow basidiomata with scaled, lobed or concave surface, pale yellow gleba, and obovate to subglobose, smooth basidiospores (3.0 – 5.1 × 2.0 – 4.0 μm, Q = 1.0 – 1.8).	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
178640806B995FAF84B16F4D8EEA6420.taxon	etymology	Etymology. The epithet diqingensis refers to the prefecture of the type locality.	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
178640806B995FAF84B16F4D8EEA6420.taxon	description	Description. Basidiomata 0.5 – 2.5 × 0.2 – 2.2 cm, hypogeous, globose, subglobose or ellipsoidal, pale-yellow to orange or brown-yellow, scaled, lobed or concave in the surface, without visible rhizomorphs (Fig. 3 e). Odor faint. Peridium two-layered, outer layer 40 – 80 μm thick, composed of interwoven hyphae, 3.5 – 7.5 μm broad, with fusoid to cylindrical terminal cells, deeply orange-yellow walls toward surface, with clamp connections; inner layer 150 – 260 μm thick, composed of interwoven hyphae, 5 – 10 μm broad, with inflated cells, 7.5 – 15 μm broad, bright pale yellow, with abundant clamp connections. Gleba solid, milk-white when immature, pale yellow at maturity, hard when dried; trama plates of hyaline or yellowish, gelatinized hyphae (Fig. 3 f); locules 2 – 3 mm in diam (Fig. 3 g). Basidia exhibit limited reviving, appearing clavate, hyaline, 4 – spored. Basidiospores obovate to subglobose, smooth, 3.0 – 5.1 × 2.0 – 4.0 μm (L m × W m = 3.8 ± 1.0 × 3.2 ± 0.8, Q = 1.0 – 1.8, Q m = 1.2 ± 0.6, n = 75), hyaline (immature) to light yellow, dark brown (mature) in KOH 5 %, with truncate-cupped base and very short hilar appendage in optical microscopy, 0.5 – 1.5 μm in diam (Fig. 3 h).	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
E59F3129916452F0B449D10219E9C4BD.taxon	description	Fig. 3 i – l	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
E59F3129916452F0B449D10219E9C4BD.taxon	diagnosis	Diagnosis. Melanogaster truncatisporus is diagnosed by the combination of medium-sized basidiomata with orange-yellow peridium that becomes reddish brown to dark brown in age, and truncate basidiospores.	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
E59F3129916452F0B449D10219E9C4BD.taxon	etymology	Etymology. The epithet truncatisporus refers to the truncate basidiospores.	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
E59F3129916452F0B449D10219E9C4BD.taxon	description	Description. Basidiomata 1.5 – 3.0 × 0.4 – 2.3 cm, hypogeous or semi-hypogeous, subglobose to oval, occasionally irregular-elongated, yellowish when young, reddish brown to dark brown at maturity, smooth or slightly velvety surface, lobed or indented at the base, attached mycelial strands, occasionally extending to the surface, dark brown, rhizomorphs not distinct (Fig. 3 i). Peridium two-layered, outer layer 50 – 100 μm thick, composed of interwoven hyphae, orange-yellow, with clamp connections, and fusoid to cylindrical terminal cells, 4 – 5 μm broad; inner layer 150 – 350 μm thick, composed of interwoven hyphae, 3 – 5 μm broad, pale yellow, intermixed with massive inflated cells, ellipsoidal or irregular, 3 – 20 μm broad. Gleba solid, pale brown when young, blackish brown to black at maturity, separated by white or pale yellow trama when young, which becomes deep brown at maturity, hard when dried; trama plates of hyaline or yellowish gelatinized hyphae (Fig. 3 j); locules 2 – 4 mm in diameter, polygonal to irregular (Fig. 3 k). Basidia poorly recovered, hyaline, 4 – spored, occurring randomly in the locules (Fig. 3 k). Basidiospores subglobose to globose or irregularly elongate-pyriform, 3.5 – 9.5 × 3.0 – 7.0 μm (L m × W m = 7.0 ± 2.5 × 4.5 ± 2.0, Q = 1.0 – 2.5, Q m = 1.5 ± 1.0, n = 65), hyaline when immature, becoming dark brown at maturity, smooth, with truncate-cupped base and short hilar appendage, 1 – 2 μm in diam in optical microscopy (Fig. 3 l).	en	Yuan, Tian-Jun, Luo, Hong-Mei, Su, Kai-Mei, Li, Shu-Hong, Raspé, Olivier (2024): Three new Melanogaster species (Boletales, Paxillaceae) from southwestern China based on morphological and molecular evidence. MycoKeys 107: 141-160, DOI: 10.3897/mycokeys.107.123565
