taxonID	type	description	language	source
4827E337FFFC1449FF32125DFC7722EC.taxon	materials_examined	Type: — CHINA. Sichuan Province: Huidong County, in soil under forest dominated by P. armandii, Dec. 2012, wsp 090, HKAS 88789. Ascomata subglobose, 2 – 3 cm in diam., firm, with typical basal cavities, covered with distinctly verrucose warts in some areas, with brown superficial furrows, yellow brown to brown; interior cavity surface covered with many fine, irregular scales and large warts, white to yellow when fresh. Peridium 50 – 480 μm thick including the 11 – 83 μm high verrucose warts, pseudoparenchymatous, the outer layer 35 – 169 μm thick composed of big, subglobose to subangular cells, 2 – 23 × 1.5 – 11 μm, pale brown or hyaline; the inner layer 15 – 333 μm thick, composed of intricately interwoven, hyaline and thin-walled hyphae, 1 – 4.5 μm in diam. Gleba solid, yellowish brown when mature, marbled with white-yellow veins. Gleba composed of hyaline, interwoven, thin-walled hyphae, 1 – 6 μm broad at the septa, the cells cylindrical interwoven to inflated, 1.5 – 22 × 1 – 13 μm. Odor pleasant. Taste not recorded. Asci globose to subglobose, pyriform, ellipsoid or irregular, (82 –) 89 – 130 (– 139) × (35 –) 37 – 97 (– 99) μm, hyaline, sessile or with a short or tall stalk, thin walled 1 – 2 μm thick, 1 – 4 (5) spored. Ascospores broadly ellipsoid, ellipsoid, sometimes subglobose or globose, hyaline when young, becoming brown at maturity; excluding their alveolate-reticulate ornamentation, in 1 - spored asci (32 –) 36 – 43 (– 51) × (25 –) 27 – 33 (– 37) μm, in 2 - spored (32 –) 34 – 48 × 27 – 34 (– 35) μm, in 3 - spored 33 – 44 × 26 – 31 (– 32) μm, in 4 - spored (29 –) 31 – 40 (– 41.5) × 24 – 31.5 μm, and in 5 - spored 32 – 37 × 25.5 – 29.5 μm; Q = 1 – 1.67, Qm = 1.36 ± 0.12; reticulum with 2 – 4 meshes along the spore length and 2 – 4 across, the alveolar walls up to 2 – 13 μm tall.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFC1449FF32125DFC7722EC.taxon	diagnosis	Diagnosis: — Tuber depressum differs in its thichker peridium (200 – 640 μm), fusiform ascospores and lower alveolar walls (2 – 9 μm). Tuber verrucosivolvum differs in its high verrucose warts (36 – 185 μm) and less numerous spores per ascus (1 – 4 spored). Habit, habitat and distribution: — Hypogeous, in soil under forest dominated by P. armandii in Sichuan Province, China. Only known from China.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFC1449FF32125DFC7722EC.taxon	etymology	Etymology: — In reference to the brown and yellow color of the ascoma.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFC144AFF3215B5FBA22F66.taxon	materials_examined	Type: — CHINA. Sichuan Province: Huidong County, in soil under forest dominated by Pinus armandii, Dec. 2012, wsp 098, HKAS 95396. Ascomata subglobose, 1.5 – 3 cm in diam., firm, with typical basal cavities, covered with distinctly verrucose warts in some areas, especially at the surface of cavity area, yellow brown to brown; interior cavity surface covered with many fine, irregular scales and large warts, white to yellow when fresh. Peridium 200 – 640 μm thick including the 3 – 88 μm high verrucose warts, pseudoparenchymatous, the outer layer 30 – 290 μm thick composed of big, subglobose to subangular cells, 2 – 21 × 1.5 – 17 μm, pale brown or hyaline; the inner layer 90 – 540 μm thick, composed of intricately interwoven, hyaline and thin-walled hyphae, 1.5 – 6.5 μm in diam. Gleba solid, yellowish brown when mature, marbled with white-yellow veins. Gleba composed of hyaline, interwoven, thin-walled hyphae, 1 – 6.5 μm broad at the septa, the cells cylindrical interwoven to inflated, 2.5 – 16 × 2 – 7.5 μm. Odor pleasant. Taste not recorded. Asci globose to subglobose, pyriform, ellipsoid or irregular, 94 – 111 (– 114) × 81 – 93 (– 100) μm, hyaline, sessile or with a short or tall stalk, thin walled 1 – 2 μm thick, 1 – 5 spored. Ascospores ellipsoid, fusiform, broadly ellipsoid, sometimes subglobose, hyaline when young, becoming brown at maturity; excluding their alveolate-reticulate ornamentation, in 1 - spored asci 42.5 – 52.5 (– 55) × 29 – 34 (– 38.5) μm, in 2 - spored (28.5 –) 30 – 48.5 (– 50) × 23 – 31.5 (– 32) μm, in 3 - spored 32 – 46 (– 49) × 24 – 31 (– 32) μm, in 4 - spored 23.5 – 41 (– 41.5) × (23 –) 24 – 29 (– 30) μm, and in 5 - spored (25 –) 27 – 38 (– 42) × 21 – 27.5 μm; Q = 1.1 – 1.7, Qm = 1.42 ± 0.14; reticulum with 2 – 5 meshes along the spore length and 2 – 3 across, the alveolar walls up to 2 – 9 μm tall.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFC144AFF3215B5FBA22F66.taxon	diagnosis	Diagnosis: — Tuber neoexcavatum differs in its prosenchymatous peridium, 2 – 4 spored asci and the absence of subglobose ascospores. Habit, habitat and distribution: — Hypogeous, in soil under forest dominated by P. armandii in Sichuan Province, China. Only known from China.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFC144AFF3215B5FBA22F66.taxon	etymology	Etymology: — In reference to the distinctly verrucose warts of the ascoma. Other material examined: — CHINA. Sichuan Province: Huidong County, in soil under forest dominated by P. armandii, Dec. 2012, wsp 093, HKAS 88895, ibid., wsp 094, HKAS 88896, all collected by S. P. Wan. CHINA. Sichuan Province, Huidong county, 3 Nov. 2006, CJ 411, HKAS 52006, collected by J. Chen.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFE1444FF3210CBFC1825BA.taxon	materials_examined	Type: — CHINA. Sichuan Province: Huidong County, in soil under forest dominated by P. armandii, Dec. 2012, wsp 060, HKAS 88863. Ascomata subglobose, 1 – 1.5 cm in diam., firm, with small basal hole, entire surface covered with distinctly high pyramidal warts, cracked in some areas, yellow to brown; interior cavity surface covered with many fine, irregular scales and large warts, yellow to brown when fresh. Peridium 300 – 640 μm thick including the 36 – 185 μm high verrucose warts, pseudoparenchymatous, the outer layer 60 – 290 μm thick, composed of big, subglobose to subangular cells, 3 – 23 × 1 – 13.5 μm, yellow, pale brown or hyaline; the inner layer 70 – 450 μm thick, composed of intricately interwoven, hyaline and thin-walled hyphae, 1 – 5 μm in diam. Gleba solid, yellowish brown when mature, marbled with white-yellow veins. Gleba composed of hyaline, interwoven, thin-walled hyphae, 1 – 6 μm broad at the septa, the cells cylindrical interwoven to inflated, 3.5 – 27 × 2.5 – 17.5. Odor pleasant. Taste not recorded. Asci 90 – 120 × (62 –) 64 – 87 μm, globose to subglobose, pyriform, ellipsoid or irregular, hyaline, sessile or with a short stalk, thin walled 1 – 2 μm thick, 1 – 4 spored. Ascospores broadly ellipsoid, ellipsoid, sometimes globose or subglobose, hyaline when young, becoming brown at maturity; excluding their alveolate-reticulate ornamentation, in 1 - spored asci (38 –) 39 – 55 (– 58) × (29.5 –) 31 – 47 μm, in 2 - spored (27 –) 35 – 47 × (24 –) 28 – 40 (– 45) μm, in 3 - spored 28 (– 31) – 43 × 26 – 33.5 (– 36) μm, and in 4 - spored (20.5 –) 30 – 39 (– 40) × (20.5 –) 26 – 31.5 (– 32) μm; Q = 1 – 1.6, Qm = 1.25 ± 0.11; reticulum with 3 – 5 meshes along the spore length and 2 – 4 across, the alveolar walls up to 2 – 9.5 μm tall.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFE1444FF3210CBFC1825BA.taxon	diagnosis	Diagnosis: — Tuber sinoexcavatum differs in its lower peridium (200 – 300 μm), single type of ascospores (globose) and lower alveolar walls (5 μm). Tuber fulgens differs in its orange-brown ascomata and relatively single type of ascospores (globose to subglobose). Habit, habitat and distribution: — Hypogeous, in soil under forest dominated by P. armandii in Sichuan Province, China. Only known from China.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
4827E337FFFE1444FF3210CBFC1825BA.taxon	etymology	Etymology: — In reference to the distinctly verrucose warts of the ascoma. Other material examined: — CHINA. Sichuan Province: Huidong County, in soil under forest dominated by P. armandii, Dec. 2012, wsp 061, HKAS 88864, collected by S. P. Wan.	en	Wan, Shanping, Xu, Wenjun, Tan, Nianwu, Wang, Yun, Zheng, Yi, Yu, Fuqiang (2017): Three Excavatum species Tuber badium, T. depressum and T. verrucosivolvum from Sichuan Province, China. Phytotaxa 296 (3): 228-238, DOI: 10.11646/phytotaxa.296.3.2, URL: http://dx.doi.org/10.11646/phytotaxa.296.3.2
