taxonID	type	description	language	source
6B05D079473E5F5CA89F2C325BB80EC1.taxon	description	Fig. 6	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
6B05D079473E5F5CA89F2C325BB80EC1.taxon	description	Description. Saprobic on a dead leaf of Livistona chinensis (Arecaceae). Sexual morph: Undetermined. Asexual morph: Conidiomata 90 – 130 × 130 – 170 µm (x ̄ = 117 × 153 μm, n = 10), pycnidial, dark brown to black, solitary or clustered, immersed to semi-immersed, erumpent through host surface, unilocular, globose to subglobose, ostiolate. Conidiomatal wall 17 – 23 μm wide (x ̄ = 19 μm), composed of 4 – 5 layers of cells with textura angularis, cells towards the inside hyaline, and at the outside light brown. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 5 – 8 × 4 – 7 µm (x ̄ = 6.7 × 5.8 μm, n = 20), hyaline, ampulliform to doliiform, phialidic, smooth-walled. Conidia 16 – 20 × 5 – 6 µm (x ̄ = 17.5 × 5.5 μm, n = 20), hyaline, cylindrical to fusoid, apex obtuse, protuberant and with a rounded hilum at base, aseptate, straight, thin-walled, with flaring mucoid apical appendage at lower end (3 – 4 µm diam.), visible in water mounts.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
6B05D079473E5F5CA89F2C325BB80EC1.taxon	distribution	Known distribution. China (Tennakoon et al. 2021; this study).	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
A17F7B5BF98F5EF7A5AEF4E288EA42B6.taxon	description	Fig. 7	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
A17F7B5BF98F5EF7A5AEF4E288EA42B6.taxon	etymology	Etymology. Named after the host family (Poaceae) where this fungus was collected.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
A17F7B5BF98F5EF7A5AEF4E288EA42B6.taxon	description	Description. Saprobic on a dead leaf of Arundo pliniana (Poaceae). Sexual morph: Undetermined. Asexual morph: Conidiomata 60 – 70 × 80 – 110 µm (x ̄ = 64 × 97 μm, n = 10), pycnidial, dark brown to black, solitary or clustered, immersed to semi-immersed, erumpent through host surface, unilocular, globose to subglobose, ostiolate. Conidiomatal wall 15 – 20 μm wide (x ̄ = 17 μm), 3 – 4 layers of irregular cells arranged in a textura angularis, cells towards the inside hyaline, at the outside, light brown, thick-walled. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 5 – 10 × 2.5 – 5 µm (x ̄ = 7.3 × 3.2 μm, n = 20), phialidic, hyaline, smooth, ampulliform to doliiform, proliferating with visible periclinal thickening at apex. Conidia 24 – 32 × 6 – 7.2 µm (x ̄ = 30 × 6.8 μm, n = 20), hyaline, cylindrical with an obtuse apex, protuberant and with a rounded hilum at base, straight, aseptate, guttulate, smooth-walled, bearing a mucilaginous appendage (2 – 2.5 µm diam.) at the apex.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
F205877FFE915A0CBE8533F794EF95ED.taxon	description	Fig. 8	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
F205877FFE915A0CBE8533F794EF95ED.taxon	description	Description. Saprobic on a dead stem of Sporobolus alterniflorus (Poaceae). Sexual morph: Ascomata 300 – 370 × 200 – 250 μm (x ̄ = 340 × 230 μm, n = 6), immersed, appear as black dots, solitary, shiny, dark brown to black, sub-globose, uni-loculate, ostiolate. Peridium 14 – 22 μm wide (x ̄ = 18 μm), composed of 3 – 4 layers of brown to dark brown, cells of textura angularis, thin-walled. Hamathecium comprising 1.5 – 3 μm wide, numerous, cellular, pseudoparaphyses. Asci 75 – 95 × 7 – 9 μm (x ̄ = 85 × 8 μm, n = 20), 8 - spored, bitunicate, fissitunicate, cylindric-clavate, long pedicellate, furcate at base, apically rounded with an indistinct ocular chamber. Ascospores 13 – 17 × 3.8 – 5.2 μm (x ̄ = 15 × 4.2 μm, n = 30), overlapping, 1 – 2 - seriate, hyaline when immature, pale brown to dark brown at maturity, fusiform, 1 - septate, distinctly constricted at the septum, straight or slightly curved, asymmetrical, upper cell shorter than lower cell, often enlarged near septum in the upper cell, smooth-walled, Asexual morph: Undetermined.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
F205877FFE915A0CBE8533F794EF95ED.taxon	distribution	Known distribution. China and Italy (Thambugala et al. 2017; Hongsanan et al. 2020; this study).	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
703D3E567EDC58788D11F6B1069850B3.taxon	description	Fig. 9	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
703D3E567EDC58788D11F6B1069850B3.taxon	etymology	Etymology. Named after the country (China) where this fungus was collected.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
703D3E567EDC58788D11F6B1069850B3.taxon	description	Description. Saprobic on dead leaf of Phragmites australis (Poaceae). Sexual morph: Undetermined. Asexual morph: Coelomycetous. Conidiomata 90 – 110 × 80 – 150 µm (x ̄ = 102 × 120 µm, n = 10), pycnidial, immersed to semi-immersed, dark brown to black, solitary to aggregated, globose to sub-globose, visible as dots on host surface. Conidiomatal wall 15 – 20 μm wide (x ̄ = 16 µm), thick-walled, composed of several layers of brown to dark brown pseudoparenchymatous cells, fusing at the outside indistinguishable from the host tissues. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 4 – 7 × 3 – 4 µm (x ̄ = 4.8 × 3.5 µm, n = 20), discrete, hyaline, globose to doliiform, holoblastic. Conidia 6.5 – 8 × 4 – 5 (x ̄ = 6.8 × 4.5 µm, n = 40) µm, hyaline to pale brown, ellipsoidal to limoniform, apex acute to apiculate, widest in the middle, tapering towards a narrowly truncate base, guttulate, smooth-walled.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
B8784CB5B50056128574EDF8D87C32B4.taxon	description	Fig. 10	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
B8784CB5B50056128574EDF8D87C32B4.taxon	description	Description. Saprobic on a dead stem of Citrus maxima (Rutaceae). Sexual morph: Undetermined. Asexual morph: Coelomycetous. Conidiomata 100 – 150 × 100 – 170 µm (x ̄ = 105 × 135 µm, n = 10), pycnidial, immersed to semi-immersed, dark brown to black, solitary to aggregated, globose to sub-globose. Conidiomatal wall 15 – 30 μm wide (x ̄ = 17 µm), thick-walled, composed of several layers of brown to dark brown pseudoparenchymatous cells, cells towards the inside hyaline, arranged in a textura angularis, fusing at the outside indistinguishable from the host tissues. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 6 – 8 × 3 – 4 µm (x ̄ = 6.4 × 3.2 µm, n = 20), discrete, hyaline, globose to doliiform, holoblastic. Conidia 5.8 – 7 × 3 – 4 (x ̄ = 6.3 × 3.2 µm, n = 40) µm, variable in shape, subglobose to ellipsoid, rarely obovoid, ends rounded, aseptate, initially hyaline, becoming olivaceous-brown at maturity, contents with several small oil droplets, smooth-walled.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
B8784CB5B50056128574EDF8D87C32B4.taxon	distribution	Known distribution. Brazil, Canada, China, Japan, Korea, Myanmar, South Africa, and the United States (Verkley et al. 2004, 2014; Damm et al. 2008; Paul and Lee 2014; Nakashima et al. 2019; Tennakoon et al. 2022; this study).	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
EB5CF47EABC850ABBE7BFA897BDB0980.taxon	description	Fig. 11	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
EB5CF47EABC850ABBE7BFA897BDB0980.taxon	description	Description. Saprobic on a dead leaf of Hedychium coronarium (Zingiberaceae). Sexual morph: Undetermined. Asexual morph: Hyphomycetous. Colonies effuse, scattered, powdery, dark brown to black. Vegetative hyphae superficial or partly immersed in the substrate, composed of septate, branched, smooth, thin-walled hyphae. Conidiophores mononematous, micronematous, mostly intercalary, sometimes denticulate, aseptate. Conidiogenous cells with 2 µm broad conidial attachment, terminal, hyaline, globose or subglobose, integrated, hyaline to pale brown. Conidia 15 – 21 × 8 – 10 μm (x ̄ = 17 × 9.1 μm, n = 40), solitary, initially light brown, becoming brown to dark brown at maturity, obovate to oblong, verruculose to spinulose, muriform, 3 – 4 vertical septa, mostly 1 – 2 longitudinal dark septa, darken and slightly constricted at the septa, thick-walled.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
EB5CF47EABC850ABBE7BFA897BDB0980.taxon	distribution	Known distribution. Australia, Austria, Brazil, Canada, China, Cuba, Japan, Ghana, Greece, India, Indonesia, Kenya, Malaysia, Myanmar, Nicaragua, New Zealand, Papua New Guinea, Poland, South Africa, Sudan, Thailand, Venezuela, the United States (Hyde et al. 2017; Jayasiri et al. 2019; Tennakoon et al. 2021; Farr and Rossman 2025; this study).	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
561F35A530F15EE19A8CF171241166FE.taxon	description	Fig. 12	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
561F35A530F15EE19A8CF171241166FE.taxon	description	Description. Saprobic on a dead leaf of Arundo pliniana (Poaceae). Sexual morph: Undetermined. Asexual morph: Hyphomycetous. Sporodochia 1 – 2 mm diam., dark, black, dense, powdery, velvety. Conidiophores give rise to two types of conidia referred to here as α and β. Conidiophores of α conidia up to 75 – 90 × 1 – 2 μm (x ̄ = 80 × 1.6 μm, n = 20) long, erect or flexuous, narrow, verruculose, unbranched, base light brown, upper part dark brown. Conidiogenous cell development basauxic, forming a single, terminal holoblastic conidium at the apex of the conidiophore. Conidial development holoblastic. Conidia two types: α conidia 15 – 27 × 16 – 24 μm (x ̄ = 25 × 21 μm, n = 25), stellate, solitary, globose to variously shaped, with spines 4 – 6 μm long, 4 – 8 - celled, deeply constricted at the septa. β conidia 16 – 22 × 10 – 15 μm (x ̄ = 19 × 14 μm, n = 25), disc-shaped, initially hyaline, light brown to dark brown at maturity, 8 - celled, flat from both sides, frequently with attached conidiogenous cells when splitting from the conidiophores.	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
561F35A530F15EE19A8CF171241166FE.taxon	distribution	Known distribution. China and Thailand (Matsushima 1980; Lu et al. 2000; Tianyu 2009; Samarakoon et al. 2020; Tennakoon et al. 2022; Farr and Rossman 2025; this study).	en	Tennakoon, Danushka S., de Silva, Nimali I., Hongsanan, Sinang, Xie, Ning (2025): Additions to Acrocalymmaceae and Didymosphaeriaceae (Pleosporales, Dothideomycetes): Some interesting novel additions from plant litter in China. MycoKeys 122: 59-98, DOI: 10.3897/mycokeys.122.163383
