taxonID	type	description	language	source
7D02A25C678053369CF69E534A405218.taxon	description	Fig. 3	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
7D02A25C678053369CF69E534A405218.taxon	etymology	Etymology. The epithet “ guizhouensis ” (Lat.) refers to Guizhou Province, where the species was collected.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
7D02A25C678053369CF69E534A405218.taxon	description	Description. Culture characteristics (14 days at 25 ° C): Colony on PDA 31 – 39 mm diam. flat, gray white to platinum gray from center to margin, nearly circular, margin regular; reverse: light ivory to oyster white from center to margin. Colony on OA 21 – 25 mm diam. flat, brown beige to dark ivory from center to margin, margin irregular; reverse: green beige. Colony on SNA 33 – 39 mm diam. fluffy, honey yellow to white from center to margin, hyphae sparse; reverse: white. Hyphae branched, septate, hyaline to brown, smooth, 1 – 3 μm wide. hyphopodia-like structures creating a cauliflower-like appearance. Conidiogenous cells hyaline, smooth, solitary, cylindrical to clavate, straight or curved, aseptate, 7.5 – 12.5 (– 18) × 3 – 6 μm. Conidia chlamydospores-like, solitary, hyaline to brown, rough, non-septate, pyriform, globose to ellipsoid, or irregular shapes, sessile or borne on conidiogenous cells, 5.5 – 11.5 × 6 – 9.5 μm (av. 8.6 × 7.4, n = 50). Setae, Conidiomata, Chlamydospores, and Sexual morph unknown.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
7D02A25C678053369CF69E534A405218.taxon	distribution	Geographical distribution. Guizhou Province, China.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
89AF693F3ED0541296C6D91D58F0179B.taxon	etymology	Etymology. Refers to its production of chlamydospore-like conidia.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
89AF693F3ED0541296C6D91D58F0179B.taxon	distribution	Geographical distribution. Guizhou Province, China.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
89AF693F3ED0541296C6D91D58F0179B.taxon	description	Description. Hyphae branched, septate, hyaline to brown, smooth, sometimes hyphopodia-like structures creating a cauliflower-like appearance. Conidiogenous cells hyaline, smooth, solitary, cylindrical to clavate, straight or curved, aseptate. Conidia chlamydospore-like, solitary, hyaline to brown, non-septate, pyriform, globose to ellipsoid, or irregular shapes, sessile or borne on conidiogenous cells. Chlamydospores borne on hyphae, solitary, catenate, or grape-like, brown to dark brown. Setae, Conidiomata, and Sexual morph unknown.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
89AF693F3ED0541296C6D91D58F0179B.taxon	type_taxon	Type species. Chlamydosporoides sinensis H. Pan & Zhi. Y. Zhang.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
89AF693F3ED0541296C6D91D58F0179B.taxon	discussion	Notes. Currently, the family Wiesneriomycetaceae comprises eight genera: Excipulariopsis, Heveicola, Parawiesneriomyces, Phalangispora, Pseudogliophragma, Setosynnema, Speiropsis, and Wiesneriomyces (Wijayawardene et al. 2020; Xu et al. 2022; Hyde et al. 2024). Molecular sequences for all genera are available in public databases (Table 1, Xu et al. 2022; Yang et al. 2023). Our multi-locus phylogenetic analysis revealed that, with the exception of Wiesneriomyces and Parawiesneriomyces, the remaining genera formed a strongly supported monophyletic clade (Fig. 1). The novel isolates obtained in this study, along with ‘ Wiesneriomyces laurinus ’ (CBS 101058 and CBS 101143), constituted a distinct subclade within Wiesneriomycetaceae (Fig. 1). Morphologically, no sexual morph has been reported in this family to date, while all known genera share the characteristic of producing conidia in acropetal chains (Xu et al. 2022). The newly proposed genus is primarily distinguished from other genera in Wiesneriomycetaceae by the absence of conidia produced in acropetal chains, setae, synnemata, sporodochium or stroma.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
F549634B57FF531F90F46A80A0B69D59.taxon	description	Fig. 2	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
F549634B57FF531F90F46A80A0B69D59.taxon	etymology	Etymology. The epithet “ sinensis ” (Lat.) refers to China, where the species was collected.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
F549634B57FF531F90F46A80A0B69D59.taxon	description	Description. Culture characteristics (14 days at 25 ° C): Colony on PDA 39 – 43 mm diam. flat, agate gray to platinum gray from center to margin, nearly circular, margin regular; reverse: light ivory to oyster white from center to margin. Colony on OA 30 – 34 mm diam. flat, graphite gray to green beige from center to margin, nearly circular, margin regular; reverse: dark ivory. Colony on SNA 53 – 58 mm diam. fluffy, hyphae sparse, honey yellow; reverse: honey yellow. Hyphae branched, septate, hyaline to brown, smooth, 1 – 4 μm wide. sometimes hyphopodia-like structures creating a cauliflower-like appearance. Conidiogenous cells smooth, solitary, cylindrical to clavate, straight or curved, aseptate, 13 – 15.5 × 2.5 – 3.5 μm. Conidia chlamydospores-like, solitary, hyaline to brown, smooth, non-septate, pyriform, globose to ellipsoid, or irregular shapes, sessile or borne on conidiogenous cells, 6 – 12 × 5 – 7 μm (av. 8.2 × 6.1, n = 50). Chlamydospores borne on hyphae, solitary, catenate, or grape-like, brown to dark brown, 11 – 17.5 × 7.5 – 13 μm (av. 12.8 × 10, n = 30). Setae, Conidiomata, and Sexual morph unknown.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
F549634B57FF531F90F46A80A0B69D59.taxon	distribution	Geographical distribution. Guizhou Province, China.	en	Pan, Heng, Wang, Kai-Rong, Zhang, Ming-Yi, Ren, Xiao-Kang, Sun, Bing-Da, Tao, Gang, Zhang, Zhi-Yuan (2025): A new genus and two new species of Wiesneriomycetaceae (Tubeufiales) from China revealed by molecular phylogeny and taxonomy. MycoKeys 123: 53-68, DOI: 10.3897/mycokeys.123.167204
