taxonID	type	description	language	source
F0E93B91F1035BBE94C8675708BAD025.taxon	description	Figs 6, 8 g	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F0E93B91F1035BBE94C8675708BAD025.taxon	etymology	Etymology. australiensis referring to the species being found in Australia.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F0E93B91F1035BBE94C8675708BAD025.taxon	diagnosis	Diagnosis. Abtylopilus australiensis differs from other species of Abtylopilus in its reddish-brown pileus, reddish to orange-red hymenophore staining dark red initially then blackish when bruised, orange-red, brownish red to blackish stipe, and a trichoderm pileipellis composed of 3 – 4 μm wide vertically arranged to slightly interwoven hyphae.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F0E93B91F1035BBE94C8675708BAD025.taxon	description	Description. Basidiomata medium to large sized. Pileus 3.4 – 5.6 cm in diameter, convex to plane; surface subtomentose, dry, reddish brown (7 E 7 - 7 F 7); context whitish, staining dark red at first, and then becoming black when injured. Hymenophore depressed around apex of stipe; surface cream (4 A 3 - 4 A 4) to reddish (6 A 3 - 6 A 4), becoming orange-red (7 A 6 - 7 A 7) in age, staining dark red initially then blackish when bruised; pores nearly round, 0.3 – 1 mm wide, pale cream (4 A 2), becoming pale pinkish brown (7 D 5) to nearly black (4 F 6) in age; tubes up to 4 mm long, concolorous with hymenophoral surface. Stipe 4 – 5.9 × 0.7 – 1.1 cm, equal, solid, cream (4 A 2) to yellowish (4 A 4) when young, orange-red (7 A 6) to brownish red (7 D 8) at apex and reddish brown (6 D 8 - 6 E 8) to blackish (4 F 6) downward when mature; surface densely covered with minute-pruinose squamules; context whitish, staining dark red at first, and then becoming black when injured. Basidia 25 – 30 × 8 – 12 μm, clavate to narrowly clavate, thin-walled, 4 - spored, hyaline to yellowish in KOH. Basidiospores [60 / 2 / 1] (8.0) 8.5 – 10.5 (11) × (3.0) 3.5 – 4.5 (5) μm [Q = (1.78) 2.11 – 2.86 (3.17), Q m = 2.47 ± 0.23], subcylindrical or subfusiform and inequilateral in profile view with slight suprahilar depression, oblong to fusiform in ventral view, smooth, yellowish to brownish in KOH, yellow to yellow-brown in Melzer’s reagent. Hymenophoral trama boletoid; hyphae cylindrical, hyaline to yellowish in KOH, yellowish to yellow in Melzer’s reagent. Cheilocystidia 45 – 56 × 12 – 13 μm, broadly subfusiform to fusoid-ventricose, thin-walled, yellowish to brownish in KOH, yellow to yellow-brown in Melzer’s reagent; surface without encrustations. Pleurocystidia morphologically similar to cheilocystidia. Pileipellis a trichoderm, composed of 3 – 4 μm wide vertically arranged to slightly interwoven hyphae, yellowish brown to brown in KOH and yellow-brown to dark brown in Melzer’s reagent; terminal cells 17 – 27 × 2 – 3 μm, subfusiform to cystidioid. Pileal trama composed of thin-walled hyphae; hyphae 2.5 – 4 μm wide, hyaline to yellowish in KOH and yellowish to yellow in Melzer’s reagent. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
352825CDFAC55FDD98D83CF7C2CDCD0B.taxon	description	Figs 7, 8 h	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
352825CDFAC55FDD98D83CF7C2CDCD0B.taxon	etymology	Etymology. indonesiensis referring to the species being found in Indonesia.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
352825CDFAC55FDD98D83CF7C2CDCD0B.taxon	diagnosis	Diagnosis. Abtylopilus indonesiensis differs from other species of Abtylopilus in its a chocolate-brown to black pileus becoming a pale pinkish brown with age, a pinkish orange stipe but deep purple to black downward, a pinkish hymenophore usually, a whitish context changing to orange-red at first and then black when injured, and trichoderm pileipellis composed of 1.5 – 3.5 μm wide vertically arranged hyphae.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
352825CDFAC55FDD98D83CF7C2CDCD0B.taxon	description	Description. Basidiomata medium to large sized. Pileus 4 – 10 cm in diameter, convex to plano-convex, subvelutinous to tomentose, dry, chocolate-brown (7 C 3 - 7 C 4) to black (4 F 6), fading to a pale pinkish brown; context 1 – 1.5 cm thick, whitish, changing to orange-red then blackish when injured. Hymenophore adnate to adnexed; surface pinkish (7 A 2 - 7 A 3), staining orange-red at first and then black when bruised; tubes up to 8 mm long, white initially then pinkish to flesh colored when matured, staining orange-red at first and then black when bruised; pores angular, concolorous with hymenophoral surface and staining likewise. Stipe 4 – 6 × 1.5 – 2 cm, equal, dry, subpruinose, white to pinkish orange (7 A 3 - 7 B 3) at apex, deep purple (13 E 5 - 13 E 7) to black (4 F 6) downwards, staining red initially then blackish when injured. Odor and taste mild. Basidia 26 – 40 × 10 – 11 μm, clavate, thin-walled, 4 - spored, hyaline to yellowish in KOH. Basidiospores [60 / 3 / 1] 9.0 – 10.5 × 4 – 5 μm [Q = (1.90) 2.00 – 2.71 (2.86), Q m = 2.31 ± 0.22], subfusiform in profile view with slight suprahilar depression, elongated to fusiform in ventral view, smooth, slightly thick-walled (up to 0.5 μm), hyaline to yellowish in KOH, yellowish to yellowish brown in Melzer’s reagent. Hymenophoral trama boletoid; hyphae cylindrical, hyaline to yellowish in KOH, yellowish in Melzer’s reagent. Cheilocystidia 32 – 55 × 11 – 14 μm, fusiform or subfusiform, thin-walled, brownish to yellowish brown in KOH, yellow to yellow-brown in Melzer’s reagent. Pleurocystidia morphologically similar to cheilocystidia. Pileipellis a palisadoderm, composed of 1.5 – 3.5 μm wide vertically arranged hyphae, yellowish brown to brownish in KOH and yellow-brown to dark brown in Melzer’s reagent; terminal cells 15 – 35 × 2 – 3 μm, subfusiform to cystidioid, thin-walled. Pileal trama composed of thin-walled hyphae; hyphae 2 – 3 μm wide, hyaline to yellowish in KOH and yellowish to yellow in Melzer’s reagent. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
1424CB60A5FE5B71A469BBE3FE91903C.taxon	description	Figs 3, 8 a, b	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
1424CB60A5FE5B71A469BBE3FE91903C.taxon	description	Description. Basidiomata medium to large sized. Pileus 4.5 – 13.5 cm broad, convex to plano-convex to plane, dry, subvelutinous to matte, black to dark gray to dark brown, becoming gray, becoming finely areolate with age, with even and entire margin; context white, up to 3 cm thick, slowly light pinkish orange or red to pinkish gray, then black when injured, with mild odor and taste. Hymenophore adnate to adnexed; surface white at first becoming pinkish vinaceous, staining pinkish orange to reddish brown then black when injured; tubes up to 10 mm long. Stipe 5 – 9 × 1 – 3 cm, equal to subclavate, dry, finely subpruinose, sometimes obscurely ridged below, white above and black below at first, eventually black overall, white to pale grayish at base; context white above, gray to black below, becoming black with age. Spore print pinkish vinaceous. Taste and odor mild (Coker and Beers 1943; Singer 1947; Snell and Dick 1970; Smith and Thiers 1971; Roody 2003; Phillips 2005; Moore et al. 2007; Bessette et al. 2024; our observation). Basidia 20 – 31 × 9.5 – 12 μm, clavate, thin-walled, 4 - spored, hyaline to yellowish in KOH. Basidiospores [60 / 2 / 1] (8) 8.5 – 10.5 (11) × 4 – 5 μm, [Q = (1.78) 1.89 – 2.63 (2.75), Q m = 2.18 ± 0.17], subfusiform in profile view with slight suprahilar depression, elongated to fusiform in ventral view, smooth, slightly thick-walled (up to 0.5 μm), hyaline to brownish in KOH, brown to yellowish brown in Melzer’s reagent. Hymenophoral trama boletoid; hyphae cylindrical, hyaline to yellowish in KOH, yellowish to yellow in Melzer’s reagent. Cheilocystidia 24 – 46 × 8 – 18 μm, fusiform or subfusiform, thin-walled, yellowish brown to brownish in KOH, yellow-brown to brown in Melzer’s reagent; surface without encrustations. Pleurocystidia 39 – 56 × 13 – 17 μm, morphologically similar to cheilocystidia. Pileipellis a trichoderm, composed of 4 – 8.5 μm wide filamentous interwoven hyphae, yellowish brown to brown in KOH, and brown to dark brown in Melzer’s reagent; terminal cells 22 – 58 × 4 – 6.5 μm, clavate to subcylindrical or fusiform, thin-walled. Pileal trama composed of thin-walled hyphae; hyphae 4.5 – 9 μm wide, hyaline to yellowish in KOH, brownish to yellowish brown in Melzer’s reagent. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
2E167ECEA304539D910A11D86D2C5CD9.taxon	description	Figs 4, 8 c, d	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
2E167ECEA304539D910A11D86D2C5CD9.taxon	description	Description. Basidiomata medium to large sized. Pileus 7.5 – 20 cm in diameter, hemispherical to broadly convex or flattened; surface dry, smooth, light brown to olive-brown, becoming darker in color when matured; context whitish, staining pink to pinkish red at first, and then becoming black when injured. Hymenophore surface initially whitish, staining red at first and then blackish when injured; pores angular, up to 1.5 mm wide; tubes up to 8 mm long, bright brown, staining reddish at first and then black when injured. Stipe 6 – 12 × 1.5 – 4.5 cm, clavate to subcylindrical, solid, grayish to dark brown, almost black at the base, surface finely tomentose, sometimes finely reticulate near apex; context white, pink to pinkish-red at first, and then becoming black when injured. Spore print reddish-brown (Both 1998; Bessette et al. 2000, 2024; and our observation). Basidia 31 – 46 × 7.5 – 9.5 μm, clavate, thin-walled, 4 - spored, hyaline to yellowish in KOH. Basidiospores [40 / 2 / 2] 7.5 – 10.5 × 3.5 – 5 μm [Q = 1.78 – 2.38, Q m = 2.14 ± 0.09], subfusiform in profile view with slight suprahilar depression, elongated to fusiform in ventral view, smooth, slightly thick-walled (up to 0.5 μm), hyaline to brownish in KOH, brown to yellowish brown in Melzer’s reagent. Hymenophoral trama boletoid; hyphae cylindrical, hyaline to yellowish in KOH, yellowish to yellow in Melzer’s reagent. Cheilocystidia 32 – 47 × 6 – 9 μm, fusiform or subfusiform, thin-walled, yellowish brown to brownish in KOH, yellow-brown to brown in Melzer’s reagent; surface without encrustations. Pleurocystidia morphologically similar to cheilocystidia but much bigger, 38 – 76 × 9 – 12 μm. Pileipellis a trichoderm, composed of 3.5 – 7 μm wide filamentous interwoven hyphae, yellowish brown to brownish in KOH, and brown to yellow-brown in Melzer’s reagent; terminal cells 11.5 – 76 × 3.5 – 5.5 μm, clavate to subcylindrical, thin-walled. Pileal trama composed of thin-walled hyphae; hyphae 4.5 – 9 μm wide, hyaline to yellowish in KOH, yellow to yellowish brown in Melzer’s reagent. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
9EA478B7D0C75CEEB4423504C12994F8.taxon	description	Figs 5, 8 e, f	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
9EA478B7D0C75CEEB4423504C12994F8.taxon	etymology	Etymology. sino (Latin) = China, reflecting that the basidiomata were collected from China + alboater for the similarity of the basidiomata to T. alboater.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
9EA478B7D0C75CEEB4423504C12994F8.taxon	diagnosis	Diagnosis. Neoporphyrellus sinoalboater differs from other species of Neoporphyrellus in its gray to brownish gray pileus, whitish to pallid context, whitish to cream and then dirty white or grayish hymenophore, grayish to blackish brown stipe, a trichoderm pileipellis composed of 3.5 – 7 μm wide filamentous interwoven hyphae.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
9EA478B7D0C75CEEB4423504C12994F8.taxon	description	Description. Basidiomata medium to large sized. Pileus 3 – 4.5 cm in diameter, subhemispherical to applanate; surface dry, smooth, gray (5 B 1) to brownish gray (5 B 2), staining reddish brown when bruised; margin slightly extended; context whitish (1 A 2) to pallid (1 A 3), changing to reddish (8 B 4) or brownish red (8 C 4) quickly, and then slowly becoming blackish (19 F 5) when injured. Hymenophore adnate to slightly decurrent, or sometimes slightly depressed around apex of stipe when mature; surface initially whitish (1 A 2) to cream (1 A 3) or dirty white to grayish (4 B 1); pores angular to roundish, up to 1 mm wide, tubes up to 6 mm long, concolorous or a little paler than hymenophoral surface, changing to reddish brown (8 C 3) at first and then becoming blackish when injured. Stipe 5 – 8.3 × 1 – 4 cm, clavate to subcylindrical, flexuous, solid, grayish (5 C 3) to blackish brown (5 E 2), dark in color downwards, staining reddish brown at first and then blackish when bruising; context white (1 A 1) to cream (1 A 2), changing to brownish red (8 C 4) quickly, then slowly becoming blackish (19 F 5) when injured; basal mycelium white (1 A 1). Taste and odor mild. Basidia 25 – 34 × 9 – 10 μm, clavate, thin-walled, 4 - spored, hyaline or yellowish brown in KOH. Basidiospores [80 / 4 / 4] (7) 7.5 – 9.5 (10) × (3.5) 4 – 4.5 (5) μm, [Q = (1.67) 1.75 – 2.25 (2.38), Q m = 1.99 ± 0.13], subfusiform in profile view with slight suprahilar depression, elongated to fusiform in ventral view, smooth, slightly thick-walled (up to 0.5 μm), yellowish or brownish in KOH, brown to yellowish brown in Melzer’s reagent. Hymenophoral trama boletoid; hyphae cylindrical, 4 – 10 μm wide, hyaline to yellowish in KOH, yellow to yellowish brown in Melzer’s reagent. Cheilocystidia 34 – 55 × 8 – 14 μm, fusiform or subfusiform, thin-walled, hyaline to brownish in KOH, yellowish brown to brownish in Melzer’s reagent; surface without encrustations. Pleurocystidia morphologically similar to cheilocystidia. Pileipellis a trichoderm, composed of 3.5 – 7 μm wide filamentous interwoven hyphae, yellowish brown to brownish in KOH and brown to dark brown in Melzer’s reagent; terminal cells 15 – 88 × 3.5 – 7 μm, clavate to subcylindrical or fusiform, thin-walled. Pileal trama composed of thin-walled hyphae, 3.5 – 6 μm wide, hyaline or yellowish in KOH, brownish in Melzer’s reagent. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F889B21569B953FEA8B9F7D1E99AD40B.taxon	diagnosis	Diagnosis. This genus differs from other genera of Boletaceae in its dark colored basidioma, white to cream and thin hymenophore at first, then pinkish to light gray, white mycelium on the base of stipe, trichoderm pileipellis, smooth basidiospores, and initially reddish then blackish discoloration in the context when injured.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F889B21569B953FEA8B9F7D1E99AD40B.taxon	etymology	Etymology. Neoporphyrellus (Latin) reflecting the new genus shares the similar colors of the basidiomata and spore prints with the genus Porphyrellus.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F889B21569B953FEA8B9F7D1E99AD40B.taxon	type_taxon	Typus generis. Neoporphyrellus alboater (Schwein.) Yan C. Li, J. Li, Halling, Osmundson & Zhu L. Yang [Basionym: Boletus alboater Schwein.].	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
F889B21569B953FEA8B9F7D1E99AD40B.taxon	description	Description. Basidiomata small to large-sized. Pileus subhemispherical, broadly convex to applanate; surface dry, smooth or with a velvet-like texture, cracked with age, gray to brownish gray, or light brown to olive-brown, or yellowish gray to orangish brown. Context whitish, staining pink to pinkish red or reddish or brownish red at first and then becoming blackish when injured. Hymenophore slightly depressed around apex of stipe; surface initially whitish to cream then yellowish or grayish when mature, changing to reddish at first and then becoming blackish when injured; pores roundish or angular to irregular, changing to reddish or reddish brown at first and then becoming blackish when injured. Stipe clavate to subcylindrical, flexuous, solid, grayish to blackish brown, or yellowish brown, brownish black to black, dark in color downwards, sometimes slightly reticulate near apex; context white to cream, changing to brownish red quickly, then slowly becoming blackish when injured. Taste and odor mild. Basidiospores smooth, subfusiform. Cheilo- and pleurocystidia fusiform or subfusiform. Pileipellis trichodermium composed of somewhat vertically arranged or interwoven thin-walled hyphae. Clamp connections absent in all tissues.	en	Li, Jin, Halling, Roy E., Osmundson, Todd W., Yang, Zhu L., Li, Yan-Chun (2025): Global diversity of the Tylopilus alboater complex (Boletaceae, Boletales): new genus and species, and typification of the name Boletus alboater. IMA Fungus 16: e 159676, DOI: 10.3897/imafungus.16.159676
