taxonID	type	description	language	source
E589579948FE59319CC5CA861302B00C.taxon	description	Figs 3, 4	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
E589579948FE59319CC5CA861302B00C.taxon	etymology	Etymology. “ macadamiae ” refers to the host plant genus Macadamia.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
E589579948FE59319CC5CA861302B00C.taxon	description	Description. Saprobic on dead twigs of Macadamia sp. Sexual morph: Ascomata 80 – 120 × 160 – 220 µm (x ̄ = 100 × 193 µm, n = 10), immersed, visible as dark dots on the host surface, under to clypeus, solitary, uni-loculate, ampulliform, papillate, without ostiole. Peridium 50 – 190 µm wide (x ̄ = 95 µm, n = 25), comprising three section layers, the inner section layer composed of hyaline cells of textura angularis, the outer section layer with brown to dark brown cells of textura angularis, and the outermost layer of cells surrounding the ascomata is composed of brown cells of textura prismatica. Hamathecium 4.5 – 8.5 µm wide (x ̄ = 6.5 μm, n = 30), comprising cylindrical, hyaline, septate, cellular pseudoparaphyses. Asci 110 – 235 × 23 – 38 µm (x ̄ = 173 × 32 µm, n = 30), 6 – 8 - spored, bitunicate, clavate to broadly fusoid-ellipsoid, with furcated pedicel, apically rounded, with a well-developed ocular chamber. Ascospores (27 –) 30 – 37 (– 40) × 14 – 19 µm (x ̄ = 33 × 17 µm, n = 55), overlapping, uniseriate, oval to ellipsoid, hyaline to yellowish brown, aseptate when young, becoming brown to dark brown, 1 - or 2 - septate at maturity, slightly constricted at the septum, smooth-walled, granular, with mucilaginous polar appendages at one or both ends. Asexual morph: Conidiomata pycnidial produced on PDA within seven weeks, solitary or aggregated, superficial, brown, hairy, globose to subglobose, covered with hyphal hairs, unilocular. Conidiophores reduce to conidiogenous cells. Conidiogenous cells holoblastic, discrete, cylindrical, hyaline, smooth-walled, proliferating percurrently. Conidia 19 – 26.5 × 10 – 13.5 µm (x ̄ = 22.6 × 11.2 µm, n = 50), hyaline and aseptate when immature, brown to dark brown and one-septate when mature, oblong to ovoid, granular, one end obtuse to slightly rounded ends, one cell slightly wider or same width. Chlamydospores hyaline to brown, branched, with thickened, septate, brown to dark brown at the septa.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
E589579948FE59319CC5CA861302B00C.taxon	description	Culture characteristics. Ascospores germinating on PDA within 24 h at 28 ° C, colony on PDA reaching 9 cm diam. after two weeks at 28 ° C, rough surface, hairy, cottony, and pale olivaceous grey from above, and grey to black in reverse.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
94D6638637F85FBCA297EA7D71410B91.taxon	description	Fig. 8	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
94D6638637F85FBCA297EA7D71410B91.taxon	description	Description. Saprobic on dead twigs of Macadamia integrifolia. Sexual morph: Ascomata 300 – 650 × 430 – 605 µm (x ̄ = 521 × 516 µm, n = 20), visible as black raised dots on the host surface, solitary, semi-immersed, dark brown to black, subglobose or irregular pyriform, carbonaceous, papillate. Ostiolar central, carbonaceous, brown to dark brown to black. Peridium 30 – 80 µm wide (x ̄ = 52 µm, n = 25), comprising two section layers: inner section layers hyaline to brown cells of textura prismatica, outer section layer, brown to black cells of textura prismatica. Hamathecium 2 – 4 µm wide (x ̄ = 3 μm, n = 60), hyaline, filiform, septate, branched, pseudoparaphyses, longer than asci. Asci 166 – 235 × 5.6 – 9.9 µm (x ̄ = 196 × 8.1 µm, n = 30), 8 - spored, bitunicate, cylindrical, flexuous, smooth-walled, apically obtuse, with an ocular chamber, short-pedicellate. Ascospores 19 – 30 × 5 – 8 µm (x ̄ = 26 × 6.5 µm, n = 50), hyaline, fusiform, uniseriate, 3 - septate, narrow towards the apex and obtuse or conical ends, constricted at the septa, smooth-walled, without mucilaginous sheath or appendages, with guttules in each cell. Asexual morph: Undetermined.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
94D6638637F85FBCA297EA7D71410B91.taxon	distribution	Known host and distribution. On a dead branch of Hevea brasiliensis in China (Xu et al. 2024), on a dead branch of Macadamia integrifolia in China (this study).	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
0F259A37CB2E5BEC923DEFA468A7C75E.taxon	description	Fig. 6	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
0F259A37CB2E5BEC923DEFA468A7C75E.taxon	etymology	Etymology. “ chiangmaiense ” refers to the location “ Chiang Mai, ” from where the holotype was collected.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
0F259A37CB2E5BEC923DEFA468A7C75E.taxon	description	Description. Saprobic on dead twigs of Macadamia sp. Sexual morph: Ascomata 80 – 165 × 115 – 170 µm (x ̄ = 136 × 146 µm, n = 20), immersed, solitary, globose to subglobose, dark brown to black, glabrous, ostiole with a long neck, neck straight or flexuous. Perithecial necks 75 – 160 µm high × 15 – 35 µm diam. (x ̄ = 119 × 25 µm, n = 20), cylindrical, periphysate, ostiolar canals sulcate. Peridium 18 – 40 µm wide (x ̄ = 29.4 µm, n = 25), comprising two section layers, the inner section layer composed of hyaline cells of textura prismatica, the outer section layer comprising brown to dark brown cells of textura prismatica. Hamathecium 3.5 – 5.5 µm wide (x ̄ = 4.6 μm, n = 50), comprising cylindrical, hyaline, septate paraphyses, slightly inflated between the septa near their base and slightly contracted at the septa, longer than the asci. Asci 17 – 27 × 4 – 6 µm (x ̄ = 20 × 5 µm, n = 50), 8 - spored, arising in acropetal succession, unitunicate, apedicellate, cylindrical to clavate, apically rounded to truncate. Ascogenous hyphae hyaline, smooth-walled, septate, simple, 4 – 5 µm (x ̄ = 4.7 μm, n = 10) at the base. Ascospores 4 – 7 × 1.2 – 2.5 µm (x ̄ = 5.5 × 2 µm, n = 35), overlapping, hyaline, oblong to allantoid, aseptate, smooth-walled, rounded, and small guttules at both ends. Asexual morph: Undetermined.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
0F259A37CB2E5BEC923DEFA468A7C75E.taxon	description	Culture characteristics. Ascospores germinating on PDA within 24 h at 28 ° C, colony on PDA reaching 3 cm diam. after two weeks, culture from above flat, smooth surface, entire edges, white-yellow, low convex at the middle, forming tufts on the surface, wrinkled, reverse white to light reddish-brown from the edge to the center, wrinkled.	en	Zhang, Xian, Tibpromma, Saowaluck, Karunarathna, Samantha C., Du, Tian-Ye, Han, Li-Su, Elgorban, Abdallah M., Kumla, Jaturong, Senwanna, Chanokned, Dai, Dong-Qin, Suwannarach, Nakarin, Wang, Hao-Han (2025): Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion. MycoKeys 113: 1-29, DOI: 10.3897/mycokeys.113.140031
