taxonID	type	description	language	source
21291787CDC55936B0E56330464927C5.taxon	description	Fig. 2	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
21291787CDC55936B0E56330464927C5.taxon	etymology	Etymology. Named after the locality, Longde County, Guyuan City, where the fungus was first collected.	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
21291787CDC55936B0E56330464927C5.taxon	description	Description. Sexual morph: not observed. Asexual morph: Conidiomata immersed or semi-immersed in bark, discoid, with multiple locules. Conceptacle absent. Ectostromatic disc greenish black to black, circular to ovoid, (296 –) 351 – 508 (– 603) μm in diameter, with one ostiole per disc. Ostiole black, circular to ovoid, (42 –) 52 – 87 (– 105) μm in diameter. Locules numerous, subdivided by invaginations with common walls. Conidiophores hyaline, thin-walled, unbranched, or occasionally branched at the bases, 15.1 – 26.3 × 1.0 – 2.1 μm (av. = 18.9 ± 2.9 × 1.4 ± 0.3 μm, n = 30). Conidiogenous cells enteroblastic, phialidic, subcylindrical to cylindrical. Conidia hyaline, smooth, allantoid, aseptate, 4.2 – 5.7 × 1.6 – 2.2 μm (av. = 5.0 ± 0.4 × 1.8 ± 0.2 μm, n = 50).	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
21291787CDC55936B0E56330464927C5.taxon	description	Culture characteristics. Colonies at 25 ° C on PDA are initially white, flat, reaching 4.7 cm in diameter after three days, becoming buff, and fully covering the 9.0 cm Petri dish after seven days.	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
04C7DF469D8850639068EC58B937141A.taxon	description	Fig. 3	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
04C7DF469D8850639068EC58B937141A.taxon	description	Description. Sexual morph: not observed. Asexual morph: Conidiomata immersed in bark, erumpent when mature, discoid, with multiple locules. Conceptacle absent. Ectostromatic disc isabelline or greenish black, circular to ovoid, (285 –) 305 – 452 (– 512) μm in diameter, with single ostiole per disc. Ostiole black, circular to ovoid, (38 –) 45 – 84 (– 103) μm in diameter. Locules numerous, divided with shared walls. Conidiophores hyaline, thin-walled, unbranched, or branched at the bases, 12.5 – 23.2 × 1.2 – 2.2 μm (av. = 17.6 ± 2.7 × 1.6 ± 0.2 μm, n = 30). Conidiogenous cells enteroblastic, phialidic, subcylindrical to cylindrical. Conidia hyaline, smooth, allantoid, aseptate, 4.5 – 5.9 × 1.6 – 2.1 μm (av. = 5.2 ± 0.4 × 1.8 ± 0.1 μm, n = 50).	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
04C7DF469D8850639068EC58B937141A.taxon	description	Culture characteristics. Colonies at 25 ° C on PDA are initially white, flat, growing up to 6.2 cm in diameter after three days, becoming olivaceous and completely covering the 9.0 cm Petri dish after five days.	en	Li, Jieqiong, Li, Canting, Wang, Ganlin, Zhu, Liangliang, Huang, Lili (2025): Cytospora longdensis sp. nov. and C. sinensis (Diaporthales, Valsaceae) associated with Populus alba subsp. pyramidalis canker and dieback in China. MycoKeys 118: 345-359, DOI: 10.3897/mycokeys.118.152880
