taxonID	type	description	language	source
13CC7BBBE5185F1D87A3DC93188F1A22.taxon	description	Fig. 5 a – i	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
13CC7BBBE5185F1D87A3DC93188F1A22.taxon	etymology	Etymology. The name refers to the sickle-shaped conidia.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
13CC7BBBE5185F1D87A3DC93188F1A22.taxon	description	Description. Hyphae smooth, grey, septate, septa inconspicuous, compartments cylindrical, branched, measuring 1.19 - 3.15 μm (x ̄ = 1.93 μm, n = 50) in diam (Fig. 5 c – f). Conidia hyaline, surface smooth, sickle-shaped, 25.07 - 42.22 × 1.12 - 2.43 μm (x ̄ = 31.83 × 1.76 μm, n = 11) in diameter (Fig. 5 g – i). No sexual morph was observed.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
13CC7BBBE5185F1D87A3DC93188F1A22.taxon	description	Culture characteristics. On PDA, after 10 days of incubation at 25 ° C, the colonies were white in colour, velvety on the surface, slightly raised in the centre, with an entire margin and irregular radial folds (Fig. 5 a), and the reverse was yellow in the centre with a white halo around the margin (Fig. 5 b). The optimum growth temperature was 25 ° C (1.42 mm / day). No growth was detected at 5 ° C and 35 ° C.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
13CC7BBBE5185F1D87A3DC93188F1A22.taxon	distribution	Distribution. Yunnan, China.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
ED033CC6D0B45759B8C8D8B422B9372E.taxon	description	Fig. 5 j – r	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
ED033CC6D0B45759B8C8D8B422B9372E.taxon	etymology	Etymology. The name refers to the convex colony of this fungus on PDA.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
ED033CC6D0B45759B8C8D8B422B9372E.taxon	description	Description. Hyphae smooth, olivaceous in colour, branched, septate, measuring approximately 1.78 – 4.76 μm (x ̄ = 2.61, n = 50) in diam (Fig. 5 i-o). Conidiophores macronematous, mononematous, terminal or lateral, pale blue to olive green, smooth, unbranched, septate, measuring 34.07 – 70.85 × 5.11 – 10.06 μm (x ̄ = 50.63 × 7.17 μm, n = 11) (Fig. 5 m – o). Conidiogenous cells monoblastic, integrated, terminal, determinate, spherical or ovoid in shape, surface smooth, pale blue to olive green in colour, measuring 4.95 – 11.61 × 4.39 – 10.51 μm (x ̄ = 8.82 × 6.14 μm, n = 11) (Fig. 5 m-p). Conidia acrogenous, solitary, dry, pale olivaceous, pale at apex, septate, with 1 – 4 septa, slightly constricted at septum, obclavate, rostrate, smooth, straight or slightly curved, truncate at base, sometimes with a gelatinous sheath surrounding the apex, measuring 7.23 – 38.00 × 3.92 – 11.30 μm (x ̄ = 6.64 × 18.29 μm, n = 50) (Fig. 5 m – o). No sexual morph was observed.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
ED033CC6D0B45759B8C8D8B422B9372E.taxon	description	Culture characteristics. On PDA, after 7 days of incubation at 25 ° C, the colony is pale bluish green in the centre, the edge is grey, the centre is raised, the surface is tomentose, and the margin is entire (Fig. 5 j). The reverse of the colony is brown (Fig. 5 k). The optimal growth temperature is 25 ° C (5.86 mm / day). Slow growth (1.42 mm / day) was observed at 5 ° C, and no growth was detected at 30 ° C and 35 ° C.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
ED033CC6D0B45759B8C8D8B422B9372E.taxon	distribution	Distribution. Yunnan, China.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
48A4820FB0FA56F8A2B103B8B5C39274.taxon	description	Fig. 6 a – h	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
48A4820FB0FA56F8A2B103B8B5C39274.taxon	etymology	Etymology. The name refers to the zonate colony morphology on PDA.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
48A4820FB0FA56F8A2B103B8B5C39274.taxon	description	Description. Hyphae smooth, pale coloured to brown, branched, septate, measuring 0.94 - 2.99 μm (x ̄ = 1.48 μm, n = 50) in diam (Fig. 6 c – h). Often, two parallel hyphae form hyphal anastomosis (Fig. 6 d, g). No spores or sexual morphs were observed.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
48A4820FB0FA56F8A2B103B8B5C39274.taxon	description	Culture characteristics. On PDA, after 7 days of incubation at 25 ° C, the colony has a light brown centre with curved elevations, surrounded by a greyish green concentric circle, and the margin is light grey. The surface is rough with short, fine hairs, and the edges are smooth and irregularly cracked (Fig. 6 a). The reverse of the colony has a dark brown centre and edges that range from brown to yellow (Fig. 6 b). The optimal growth temperature is 25 ° C (1.57 mm / day). No growth was detected at 5 ° C and 35 ° C.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
48A4820FB0FA56F8A2B103B8B5C39274.taxon	distribution	Distribution. Yunnan, China.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
9F7C7388079655E0880F7E8D1D307720.taxon	description	Fig. 6 i – q	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
9F7C7388079655E0880F7E8D1D307720.taxon	etymology	Etymology. The name refers to the brown colony morphology on PDA.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
9F7C7388079655E0880F7E8D1D307720.taxon	description	Description. Hyphae smooth, bluish-gray, septate, branched, measuring 1.24 – 3.75 μm (x ̄ = 2.57 μm, n = 50) in diam (Fig. 6 k, l). Conidiophores arising laterally on hyphae, bluish-gray, septate, branched or unbranched, sometimes reduced to conidiogenous cells, measuring 11.43 – 83.85 μm (x ̄ = 38.50 μm, n = 10) (Fig. 6 m – o). Conidiogenous cells holoblastic, polyblastic, integrated, terminal, determinate, cylindrical or ovoid, geniculate, smooth, grey, measuring 8.42 – 40.56 × 1.78 – 4.29 μm (x ̄ = 15.46 × 2.77 μm, n = 50) (Fig. 6 m – o). Conidia solitary and smooth, cylindrical to ellipsoid, straight or slightly curved, apex obtuse, base acute with a prominent scar, pale brown in colour, usually uniseptate, rarely bi-septate, often constricted at septa, measuring 4.12 – 12.09 × 1.96 – 3.05 μ (x ̄ = 6.72 × 2.43 μm, n = 50) (Fig. 6 m – q). No sexual morph was observed.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
9F7C7388079655E0880F7E8D1D307720.taxon	description	Culture characteristics. On PDA, after 7 days of incubation at 25 ° C, the colony gray-brown in colour, flat, with a tomentose surface, margin entire, and partially immersed in the medium (Fig. 6 i). The reverse of the colony is dark brown (Fig. 6 j). The optimal growth temperature is 25 ° C (1.26 mm / day). No growth was detected at 5 ° C and 35 ° C.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
9F7C7388079655E0880F7E8D1D307720.taxon	distribution	Distribution. Yunnan, China.	en	Chang, Runlei, Yan, Zhaoqi, Jiang, Jibo, Wang, Yichen, Si, Hongli, Bose, Tanay, Miao, Congcong (2025): Four novel endolichenic fungi from Usnea spp. (Lecanorales, Parmeliaceae) in Yunnan and Guizhou, China: Taxonomic description and preliminary assessment of bioactive potentials. MycoKeys 118: 55-80, DOI: 10.3897/mycokeys.118.155248
