taxonID	type	description	language	source
58F314DD3D18564095C7488DAD65261C.taxon	description	Figs 3, 4	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
58F314DD3D18564095C7488DAD65261C.taxon	etymology	Etymology. Named after the collection country of the type specimen, China.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
58F314DD3D18564095C7488DAD65261C.taxon	diagnosis	Diagnosis. Distinct from its phylogenetically related species T. lithocarpicola by longer conidia.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
58F314DD3D18564095C7488DAD65261C.taxon	description	Description. Pseudostromata immersed to semi-immersed in the bark, scattered, conical, 630 – 1240 μm diam, 330 – 480 μm high, with 5 – 10 perithecia arranged irregularly. Ectostromatic disc grey to brown, circular to ovoid, 300 – 470 μm diam. Ostioles brown to black, 90 – 150 μm diam. Perithecia flask-shaped to spherical, 490 – 620 μm diam. Asci hyaline, with chitinoid, refractive ring, clavate to elongate-obovoid, (38.5 –) 41.5 – 47.5 (– 52) × (7 –) 8 – 9.5 (– 10) μm, 8 - spored. Ascospores biseriate, cylindrical to allantoid, thin-walled, hyaline, 0 – 1 septate, (11 –) 11.5 – 14.5 (– 15) × (2.5 –) 3 – 3.5 (n = 50) μm, L / W ratio = 3.7 – 5. Conidiomata acervular, aggregated, immersed to semi-immersed in the bark, pulvinate, dark brown to black, 250 – 600 μm high, 350 – 1000 μm diam. Conidiophores indistinct, usually reduced to conidiogenous cells. Conidiogenous cells hyaline, smooth, cylindrical, phialidic, 9.2 – 14.5 × 2 – 2.9 μm. Conidia aseptate, hyaline, smooth, multi-guttulate, cylindrical to allantoid, straight or slightly curved, (7.5 –) 8 – 9 (– 10) × (2 –) 2.5 – 3 (– 3.5) μm (n = 50), L / W = 2.7 – 3.6.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
58F314DD3D18564095C7488DAD65261C.taxon	description	Culture characteristics. Colonies on PDA flat, spreading, with abundant flocculent aerial mycelium and even margin, white to sky grey, reaching 90 mm diam after 2 wk at 25 ° C. Colonies on MEA flat, spreading, lavender grey to grey olivaceous, reaching 90 mm diam after 2 wk at 25 ° C. Colonies on SNA flat, spreading, with sparse flocculent aerial mycelium and feathery margin.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
58F314DD3D18564095C7488DAD65261C.taxon	distribution	Distribution. China, Xizang Autonomous Region.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	description	Fig. 5	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	etymology	Etymology. Named after the host genus Lithocarpus and “ - cola ” = “ inhabiting ”.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	diagnosis	Diagnosis. Distinct from its sister species T. chinensis by shorter conidia.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	description	Description. Conidiomata in culture sporodochial, aggregated, erumpent, pulvinate, light brown, 150 – 650 μm diam., exuding light brown conidial masses. Conidiophores hyaline, smooth, cylindrical, branched. Conidiogenous cells hyaline, smooth, cylindrical to ampulliform, attenuate towards the apex, phialidic, 6.5 – 22.5 × 1.5 – 2.5 μm. Conidia aseptate, hyaline, smooth, multi-guttulate, fusoid to ellipsoid, straight or slightly curved, (4.5 –) 5 – 6.5 (– 7.5) × 2 – 2.5 (– 3) μm (n = 50), L / W = 1.9 – 3.5.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	description	Culture characteristics. Colonies on PDA flat, spreading, with moderate flocculent aerial mycelium and even margin, forming concentric rings, white to straw, reaching 90 mm diam after 2 wk at 25 ° C. Colonies on MEA flat, spreading, with moderate flocculent aerial mycelium and undulating margin, forming salmon irregular center area and smoke grey to ochreous outer area, reaching 70 mm diam after 2 wk at 25 ° C. Colonies on SNA flat, dense, white, slowly growing.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
1AC1AF3F38A05D7CA855BB841F40FF12.taxon	distribution	Distribution. China, Hainan Province.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
16688A0CEDF95EF396B858C0CA6917EA.taxon	etymology	Etymology. In honor of Chinese taxonomist Prof. Dr. Chengming Tian for his contributions for forest pathogens.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
16688A0CEDF95EF396B858C0CA6917EA.taxon	type_taxon	Type species. Tiania chinensis Ning Jiang.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
16688A0CEDF95EF396B858C0CA6917EA.taxon	description	Description. Pseudostromata immersed to semi-immersed in the bark, scattered, conical, with perithecia arranged irregular. Ectostromatic disc grey to brown, circular to ovoid. Ostioles brown to black. Perithecia flask-shaped to spherical. Asci hyaline, with chitinoid, refractive ring, clavate to elongate-obovoid, 8 - spored. Ascospores biseriate, cylindrical to allantoid, thin-walled, hyaline, 0 – 1 septate. Conidiomata acervular in tree branches and sporodochial in culture, aggregated, immersed to semi-immersed, pulvinate. Conidiophores indistinct, usually reduced to conidiogenous cells. Conidiogenous cells hyaline, smooth, cylindrical to ampulliform, phialidic. Conidia aseptate, hyaline, smooth, multi-guttulate, fusoid, cylindrical to allantoid, constricted at the middle or not.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	description	Fig. 6	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	etymology	Etymology. Named after the host genus Quercus and “ - cola ” = “ inhabiting ”.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	diagnosis	Diagnosis. Distinct from T. chinensis and T. lithocarpicola by conidia that are constricted at the middle.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	description	Description. Conidiomata in culture sporodochial, aggregated, erumpent, pulvinate, light orange, 150 – 700 μm diam., exuding light orange conidial masses. Conidiophores hyaline, smooth, cylindrical, branched, usually reduced to conidiogenous cells. Conidiogenous cells hyaline, smooth, cylindrical to ampulliform, attenuate towards the apex, phialidic, 10.5 – 21.5 × 1 – 2.5 μm. Conidia aseptate, hyaline, smooth, multi-guttulate, cylindrical, constricted at the middle, straight or slightly curved, base truncate, 5.5 – 7 (– 8) × 2 – 2.5 μm (n = 50), L / W = 1.6 – 2.7.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	description	Culture characteristics. Colonies on PDA flat, spreading, with abundant flocculent aerial mycelium and even margin, initially white, becoming umber after 1 wk, reaching 90 mm diam after 2 wk at 25 ° C. Colonies on MEA flat, spreading, with abundant flocculent aerial mycelium and undulating margin, white to smoke grey, reaching 90 mm diam after 2 wk at 25 ° C. Colonies on SNA flat, spreading, with sparse flocculent aerial mycelium and feathery margin, white, reaching 90 mm diam after 3 wk at 25 ° C.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
CF16E0E8C42551D895941221B9C4C4DF.taxon	distribution	Distribution. China, Hainan Province.	en	Jiang, Ning, Xue, Han, Li, Yong (2025): Novel genus and species of Diaporthostomataceae (Diaporthales) in China. IMA Fungus 16: e 145422, DOI: 10.3897/imafungus.16.145422
