taxonID	type	description	language	source
42A3EBD0D85C53D59153B82F090BDCD1.taxon	description	Fig. 2	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
42A3EBD0D85C53D59153B82F090BDCD1.taxon	etymology	Etymology. The specific epithet refers to Benzilan Town, the type locality of this species.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
42A3EBD0D85C53D59153B82F090BDCD1.taxon	diagnosis	Diagnosis. Thallus non-lobate, areoles dispersed to continuous, tightly adnate to the substrate; upper surface pruinose, off-white, partially with orangish tinge; apothecia cryptolecanorine to lecanorine; containing norstictic, cryptostictic, and connorstictic acids.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
42A3EBD0D85C53D59153B82F090BDCD1.taxon	description	Description. Thallus areolate, non-lobate, tightly adnate to the substrate. Areoles dispersed to continuous, central areoles irregular, 0.5 – 1 mm wide, marginal areoles usually larger than the center, 3 – 10 mm wide, cracked; distant simple areoles circular, 0.5 – 3 mm wide. Upper surface plane to slightly convex, pruinose, off-white, with orangish tinge. Upper cortex paraplectenchymatous, 30 – 60 µm thick, inspersed with brown to dark brown granules (soluble in K); epinecral layer gelatinous, 10 – 20 µm thick, with hyaline crystals and dark brown granules (insoluble in K). Algal layer 50 – 125 µm thick, discontinuous; photobiont chlorococcoid, cells 8 – 20 µm diameter. Medulla opaque, filled with gray-black granules (not or partially soluble in K). Lower cortex absent. Apothecia common (1 – 4 per areole), orbicular, 0.3 – 1 mm diameter, initially cryptolecanorine, becoming lecanorine and elevated above areoles at maturity, not constricted at base; disc slightly concave to plane, matt, black, pruinose; apothecial margin indistinct when young, becoming prominent (0.05 – 0.15 mm wide) during development, receding with disc expansion. Exciple absent or narrow, not exceeding 50 μm. Epithecium, hymenium and subhymenial layers combined 175 – 200 µm high; epithecium 10 – 20 µm high, containing hyaline crystals; epihymenium with brown granules (soluble in K) and black granules (insoluble in K), N-; hymenium 100 – 120 µm high, hyaline, I + blue; subhymenial layers 50 – 75 µm high, hyaline, I + blue; algal layer sparse below hypothecium; paraphyses simple, septate, non-moniliform, with 1 – 3 uppermost cells wider than the basal cells, 4 – 6 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, 8 - spored, 70 – 80 × 18 – 25 µm; ascospores simple, hyaline, broadly ellipsoid, (10.0 -) 11.5 – 12.4 – 13.2 (- 14.0) × (8.0 -) 7.9 – 8.6 – 9.3 (- 10.0) µm (n = 36), l / w ratio (1.2 -) 1.3 – 1.4 – 1.5 (- 1.7), wall ca. 1 µm thick. Pycnidia few, punctiform, plane to slightly convex, 0.05 – 0.2 mm diameter; ostiole brown to dark brown; conidia bacilliform, hyaline, 4 – 6 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
325ADB75835E51F5B2A8A19506F8D72D.taxon	description	Fig. 10	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
325ADB75835E51F5B2A8A19506F8D72D.taxon	description	Description. Thallus areolate with lobate margin, tightly adnate to the substrate, up to 3 cm across, 0.6 – 2 mm thick. Areoles (0.5 –) 0.8 – 1.5 (– 2) mm wide, irregular to suborbicular, not constricted at base, interspaces between areoles mostly 0.2 – 0.4 mm wide. Lobes short, simple to 2 – 3 branched, 2 – 3 mm long, 0.6 – 1.5 mm wide at the base, 1 – 3 mm wide at the apex, mostly 0.6 – 0.8 mm thick. Upper surface flat to slightly convex, light gray with brownish tinge, thinly pruinose. Upper cortex paraplectenchymatous, even, 30 – 40 μm thick, with brown granules (soluble in K); epinecral layer 5 – 20 µm thick, with brown to black granules (insoluble in K). Algal layer 100 – 125 (– 200) µm thick, discontinuous; photobiont chlorococcoid, cells 8 – 18 µm diameter. Medulla 0.4 – 1.6 (– 2) mm high, filled with gray-black granules. Lower cortex absent. Apothecia cryptolecanorine (rarely elevated as lecanorine, not constricted at base), numerous, 1 – 8 per areole, orbicular to slightly angular, (0.1 –) 0.2 – 0.7 (– 1) mm diameter; disc slightly concave to flat, black, matt, epruinose to faintly pruinose; apothecial margin usually indistinct (when lecanorine, slightly elevated, 0.05 – 0.2 mm wide). Exciple narrow, widening to 20 – 30 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 175 – 225 µm high; epithecium 5 – 15 µm high; epihymenium 15 – 40 μm high, with brown dark granules (mostly soluble in K), N-; hymenium 120 – 140 µm high, hyaline, I + weakly bluish; subhymenial layers 60 – 75 μm high, hyaline, I + blue; algal layer beneath hypothecium discontinuous; paraphyses simple, septate, submoniliform at the tips, with 2 – 3 uppermost cells shorter and wider than the basal cells, 3 – 5 (– 6) μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 60 – 70 × 15 – 22 µm; ascospores simple, hyaline, broadly ellipsoid, (9.0 -) 9.9 – 10.8 – 11.7 (- 12.0) × (7.0 -) 7.6 – 8.2 – 8.9 (- 10.0) µm (n = 41), l / w ratio (1.1 -) 1.2 – 1.3 – 1.4 (- 1.6), wall ca. 1 µm thick. Pycnidia few, punctiform, plane to slightly convex, 0.05 – 0.2 mm diameter, occasionally elongate, 0.2 – 0.4 × 0.05 – 0.1 mm; ostioles dark brown; conidia bacilliform, hyaline, 5 – 6 × 1 – 1.5 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
1BC24AD251C858E18A12B01E6210AC6C.taxon	description	Fig. 3	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
1BC24AD251C858E18A12B01E6210AC6C.taxon	etymology	Etymology. The epithet refers to the flat thallus of this species.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
1BC24AD251C858E18A12B01E6210AC6C.taxon	diagnosis	Diagnosis. Thallus appressed to the substrate, areolate with a flat and radiately lobate margin; upper surface orangish gray, covered by white pruina; apothecia lecanorine, orbicular, adnate, discs brown with orangish pruina; mature pycnidia protruding.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
1BC24AD251C858E18A12B01E6210AC6C.taxon	description	Description. Thallus areolate with lobate margin, up to 5 cm across, closely appressed to the substrate, 0.3 – 1.5 mm thick. Areoles polygonal to suborbicular, (0.3 –) 0.5 – 1.2 (– 2.0) mm wide, interspaces between areoles 0.05 – 0.1 mm wide. Lobes flat, ca. 0.3 mm thick, elongate, 2 – 3 (– 3.5) mm long, 0.4 – 0.8 (– 1.0) mm wide at base, 0.6 – 1.5 mm wide at apex. Upper surface matt, orangish gray, covered by white pruina. Upper cortex paraplectenchymatous, even, 20 – 30 μm thick, with brown granules (soluble in K); epinecral layer 10 – 15 µm thick, with dense black granules (insoluble in K). Algal layer 75 – 125 µm thick, discontinuous; photobiont chlorococcoid, cells 8 – 20 µm diameter. Medulla opaque, filled with gray-black granules. Lower cortex absent. Apothecia lecanorine, scattered, orbicular, (0.4 –) 0.8 – 2.0 (– 2.5) mm in diameter, adnate, constricted at base at maturity; disc plane to slightly convex, matt, brown with orangish pruina; apothecial margin entire, orange-gray, pruinose, persistent, 0.1 – 0.25 mm wide. Exciple narrow, widening to 20 – 60 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 130 – 180 µm high; epithecium 10 – 15 µm high; epihymenium 10 – 20 μm high, with brown to dark brown granules (mostly soluble in K, leaving faint brown residue), N-; hymenium 75 – 100 µm high, hyaline, I + blue; subhymenial layers 40 – 75 μm high, hyaline, I + blue; algal layer discontinuous below hypothecium, 20 – 50 μm high; paraphyses simple, rarely anastomosed, septate, submoniliform, with 2 – 3 uppermost cells shorter and wider than the basal cells, 3 – 4 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 60 – 70 × 20 – 25 µm; ascospores simple, hyaline, broadly ellipsoid to spherical, (9.0 -) 9.5 – 10.4 – 11.3 (- 12.0) × (7.0 -) 7.7 – 8.7 – 9.8 (- 10.0) µm (n = 49), l / w ratio (1.0 -) 1.0 – 1.2 – 1.4 (- 1.6), wall ca. 1 µm thick. Pycnidia common, 0.2 – 0.5 mm diameter, distinctly protruding at maturity; ostiole brownish to dark brown; conidia bacilliform, hyaline, 4 – 6 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
36C2035811C6524DBF9C48A65657136F.taxon	description	Fig. 11	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
36C2035811C6524DBF9C48A65657136F.taxon	description	Description. Thallus tightly adnate to the substrate, 3 – 6 cm across (up to 10 cm in intact field specimens), centrally areolate, 3 – 4 mm thick, marginally lobate, 0.4 – 1 mm thick. Areoles angular to irregular, not constricted at base, (0.4 –) 0.6 – 1 (– 1.8) mm wide, interspaces between areoles 0.05 – 0.2 mm wide. Lobes simple, rarely dichotomous, parallel-arranged, (1.5 –) 2 – 3 (– 4) mm long, 0.5 – 1.5 (– 2) mm wide. Upper surface plane to slightly convex, gray or pale brown to brownish red, pruinose, pruina usually thicker on the margin of areoles and lobes. Upper cortex paraplectenchymatous, 25 – 40 μm thick, containing brown granules (soluble in K); epinecral layer 10 – 15 µm thick, with dark granules (partly soluble in K). Algal layer 125 – 200 µm thick, discontinuous; photobiont chlorococcoid, cells 10 – 20 µm diameter. Medulla 0.5 – 2.5 (– 3) mm high, filled with gray-black granules (insoluble or partly soluble in K). Lower cortex absent. Apothecia numerous, initially cryptolecanorine, becoming lecanorine at maturity, 1 – 3 per areole, adnate, orbicular to slightly angular by pressure, (0.2 –) 0.4 – 1.5 (– 2.2) mm wide; disc matt, brown to black, pruinose, concave to plane; apothecial margin entire, concolorous with thallus, 0.05 – 0.2 mm wide. Exciple narrow, widening to 50 – 80 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 125 – 150 µm high; epithecium 10 – 15 µm high, with plate-like crystals; epihymenium filled with brown granules (soluble in K), N –; hymenium 75 – 100 µm high, hyaline, I + blue; subhymenial layers 40 – 50 μm high, hyaline, I + blue; algal layer beneath hypothecium discontinuous; paraphyses simple, septate, submoniliform at the tips, with 2 – 4 uppermost cells shorter and wider than the basal cells, 4 – 5 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 65 – 75 × 20 – 30 µm; ascospores simple, hyaline, broadly ellipsoid to ellipsoid, (11.0 -) 12.5 – 13.5 – 14.5 (- 16.0) × (8.0 -) 8.4 – 9.2 – 9.9 (- 11.0) µm (n = 33), l / w ratio (1.2 -) 1.3 – 1.5 – 1.7 (- 1.9), wall ca. 1 µm thick. Pycnidia common, punctiform when young, slightly protruding at maturity, 0.1 – 0.2 (– 0.5) mm in diameter; ostioles brown to black; conidia bacilliform, hyaline, 5 – 6 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
22F84E4B75A554B8A396A8C8B1083C92.taxon	description	Fig. 4	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
22F84E4B75A554B8A396A8C8B1083C92.taxon	etymology	Etymology. The epithet refers to the numerous pycnidia per areole of this species.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
22F84E4B75A554B8A396A8C8B1083C92.taxon	diagnosis	Diagnosis. Thallus areolate, with radiate marginal lobes, pycnidia prominent, usually numerous pycnidia per areole, curved and elongate. This species colonizes diverse substrates, predominantly calcareous and siliceous rocks, with an occasional occurrence on a coniferous stump.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
22F84E4B75A554B8A396A8C8B1083C92.taxon	description	Description. Thallus adnate to the substratum, up to 5 – 7 cm across, centrally areolate, 2 – 4 mm thick, marginally lobate, 0.5 – 1 mm thick. Areoles (0.5 –) 0.7 – 1 (– 1.5) mm wide, angular to rounded, slightly constricted at base, interspaces between areoles (0.05 –) 0.1 – 0.2 (– 0.4) mm wide, surface flat to slightly convex, grayish-brown covered with white pruina. Lobes simple to irregularly branched, radiate, not overlapping, (1 –) 2 – 4 (– 5) mm long, (0.6 –) 1 – 1.5 mm wide, surface pale brown with thin pruina. Upper cortex paraplectenchymatous, 30 – 50 μm thick, with brown granules (soluble in K); epinecral layer 10 – 20 µm thick, gelatinous with dark granules (insoluble in K). Algal layer (75 –) 100 – 150 (– 250) μm thick, discontinuous; photobiont chlorococcoid, cells 8 – 16 μm diam. Medulla 0.5 – 1 mm thick, opaque, filled with gray-black granules (insoluble or partially soluble in K). Lower cortex absent. Apothecia lecanorine, numerous, 1 – 3 per areole, (0.3 –) 0.8 – 2 (– 2.5) mm in diameter, clustered or scattered, orbicular to angular by pressure, not to slightly constricted at base; disc plane to slightly concave, black or brown, epruinose (rarely with thin pruina); apothecial margin entire, concolorous with thallus, slightly elevated, persistent but narrowing with disc expansion, 0.15 – 0.25 mm wide. Exciple narrow, 40 – 50 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 125 – 150 µm high; epithecium 10 – 15 µm high; epihymenium 15 – 25 μm high, with brown (soluble in K) and pale brown (insoluble in K) granules, N-; hymenium 70 – 100 µm high, hyaline, I + blue; subhymenial layers 40 – 80 μm high, hyaline, I + blue, hypothecium 30 – 40 μm, algal layer discontinuous below hypothecium; paraphyses simple, septate, submoniliform to moniliform at the tips, with 2 – 5 uppermost cells shorter and wider than the basal cells, 4 – 6 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 60 – 70 × 20 – 30 µm; ascospores simple, hyaline, broadly ellipsoid to ellipsoid, (10.0 -) 11.2 – 12.0 – 12.8 (- 13.0) × (7.0 -) 7.0 – 7.8 – 8.5 (- 9.0) µm (n = 38), l / w ratio (1.1 -) 1.4 – 1.6 – 1.8 (- 1.9), wall ca. 1 µm thick. Pycnidia numerous, usually numerous pycnidia per areole, immersed, unilocular to multilocular, spot-like, 0.1 – 0.3 mm when young, shortly elongate to curved, 0.4 – 0.5 × 0.2 – 0.3 mm at maturity; ostioles dark brown to blackish; conidia bacilliform, hyaline, 5 – 6 (– 7) × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
2FC09533E0BA5678BA139D1DB6041FDD.taxon	description	Fig. 5	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
2FC09533E0BA5678BA139D1DB6041FDD.taxon	etymology	Etymology. The epithet indicates that this species is similar to Lobothallia pruinosa in morphology.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
2FC09533E0BA5678BA139D1DB6041FDD.taxon	diagnosis	Diagnosis. This species is characterized by its tightly adnate and thin thallus, areolate center and shortly lobate margin; plane, white or brownish gray upper surface with fine granular pruina; cryptolecanorine apothecia; large ascospores (10.0 -) 11.8 – 13.3 – 14.8 (- 17.0) × (8.0 -) 8.5 – 9.3 – 10.0 (- 11.0) µm; and its long conidia (5 –) 6 – 8 (– 9) × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
2FC09533E0BA5678BA139D1DB6041FDD.taxon	description	Description. Thallus tightly adnate to the substrate, up to 3 cm across, centrally areolate, 1 – 2 mm thick, marginally lobate, 0.3 – 0.8 mm thick. Areoles (0.3 –) 0.6 – 1 (– 1.5) mm wide, angular to rounded, flat, not constricted at base; interspaces between areoles 0.05 – 0.1 mm wide. Lobes radiate, short, plane, apices equal to slightly wider than base, 1 – 2 mm long, base 0.5 – 1 mm wide, apex 0.5 – 1.5 mm wide. Upper surface white or pale brownish gray, pruinose, brownish where pruina thin. Upper cortex paraplectenchymatous, 30 – 50 µm thick, containing dark brown granules (soluble in K); epinecral layer with dense grayish-black granules (insoluble in K), 10 – 40 (– 50) µm thick. Algal layer 70 – 100 (– 150) µm thick, discontinuous; photobiont chlorococcoid, (6 –) 8 – 20 µm diameter. Medulla 0.1 – 0.5 mm thick, opaque, filled with grayish-black granules (insoluble or partially soluble in K). Lower cortex absent. Apothecia cryptolecanorine, common, grouped in the center, 1 – 3 per areole, angular, (0.1 –) 0.3 – 0.8 (– 1.0) mm in diameter; disc concave, brownish to black, matt, pruinose; apothecial margin indistinct, concolorous with the thallus. Exciple narrow, widening to 10 – 30 (– 50) μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined (100 –) 125 – 150 (– 175) µm high; epithecium 5 – 15 µm thick, gelatinous; epihymenium 15 – 25 µm high, with dark brown to brownish granules (soluble in K), N –; hymenium (70 –) 90 – 100 (– 110) µm high, hyaline, I + blue; subhymenial layers 50 – 75 µm high, hyaline, I + blue; algal layer relatively continuous below hypothecium, 50 – 70 μm high; paraphyses submoniliform, simple, septate, with 1 – 3 uppermost cells shorter and wider than the basal cells, 4 – 6 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 60 – 75 × 15 – 25 µm; ascospores simple, hyaline, broadly ellipsoid, rarely spherical, (10.0 -) 11.8 – 13.3 – 14.8 (- 17.0) × (8.0 -) 8.5 – 9.3 – 10.0 (- 11.0) µm (n = 86), l / w ratio (1.0 -) 1.2 – 1.4 – 1.6 (- 2.1), wall ca. 1 µm thick. Pycnidia rare, punctiform, slightly convex, 0.05 – 0.1 mm diameter, ostiole brown to dark brown, conidia bacilliform, hyaline, (5 –) 6 – 8 (– 9) × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
A4CEEAB74924556D8D9A21E44BB224E1.taxon	description	Fig. 6	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
A4CEEAB74924556D8D9A21E44BB224E1.taxon	etymology	Etymology. The epithet refers to the beautiful morphology of the thallus of this species.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
A4CEEAB74924556D8D9A21E44BB224E1.taxon	diagnosis	Diagnosis. Thallus areolate with radiate lobes, upper surface white and pruinose; apothecia lecanorine, adnate and rounded, 1 – 2 apothecia per areole, apothecial margin distinct and persistent, disc plane to slightly convex, not to rarely with faint pruina, containing norstictic and stictic acids.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
A4CEEAB74924556D8D9A21E44BB224E1.taxon	description	Description. Thallus tightly adnate to the substrate, 0.3 – 2 mm thick, centrally areolate, marginally lobate. Areoles 0.5 – 1.2 mm wide, angular to rounded, not constricted at base, interspaces between areoles 0.05 – 0.1 mm wide. Lobes radiate, short, 1 – 2.5 mm long, base width (0.3 –) 0.6 – 0.8 (– 1) mm, apex width 0.6 – 2 mm. Upper surface moderately convex, white, partially pale brown on marginal lobes, pruinose. Upper cortex paraplectenchymatous, even, 30 – 40 μm thick, containing brown granules (soluble in K); epinecral layer gelatinous, 10 – 20 μm thick. Algal layer 125 – 150 μm high, discontinuous; photobiont chlorococcoid, cells 6 – 18 µm diameter. Medulla 0.3 – 0.6 mm thick, opaque, filled with gray-black granules (insoluble in K). Lower cortex absent. Apothecia lecanorine, common, 1 – 2 per areole, simple to grouped in the center, orbicular to slightly angular by pressure from adjacent apothecia, (0.3 –) 0.6 – 2 mm diameter, initially immersed, later sessile, not to slightly constricted at base; disc plane, matt, brownish-black to black, epruinose or faintly pruinose, shallowly fissured when overmature; apothecial margin entire, concolorous with thallus, well-developed and persistent, (0.05 –) 0.1 – 0.2 (– 0.25) mm. Exciple narrow, widening to 70 – 80 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 125 – 160 µm high; epithecium 5 – 15 µm high, epihymenium 12.5 – 20 μm high, filled with dark brown to brown granules (mostly soluble in K), N –; hymenium 90 – 100 μm high, hyaline, I + dark blue; subhymenial layers ca. 50 μm high, hyaline, I + dark blue; discontinuous algal layer beneath hypothecium; paraphyses simple, septate, submoniliform at the tips, 1 – 4 uppermost cells shorter and broader than basal cells, 3 – 5 μm wide (basal cells 2 – 3 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 70 – 80 × 20 – 30 µm; ascospores simple, hyaline, ellipsoid to broadly ellipsoid, (10.0 -) 10.8 – 12.3 – 13.7 (- 16.0) × (8.0 -) 7.8 – 8.5 – 9.1 (- 10.0) µm (n = 30), l / w ratio (1.1 -) 1.3 – 1.5 – 1.7 (- 1.9), wall ca. 1 µm thick. Pycnidia few, punctiform, flat to slightly convex, 0.15 – 0.2 mm diameter; ostiole brownish black; conidia bacilliform, hyaline, 6 – 8 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
6BC5BF5551D356F386B3E10E09BFB4B0.taxon	description	Fig. 7	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
6BC5BF5551D356F386B3E10E09BFB4B0.taxon	etymology	Etymology. The specific epithet refers to the red reaction of medulla in C spot-test.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
6BC5BF5551D356F386B3E10E09BFB4B0.taxon	diagnosis	Diagnosis. Thallus areolate with a lobate margin, upper surface white with pale brown tinge, pruinose; areoles raised when bearing apothecia or pycnidia; apothecia lecanorine, disc pruinose; pycnidia protruding; medulla C + rose – red, contain gyrophoric acid.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
6BC5BF5551D356F386B3E10E09BFB4B0.taxon	description	Description. Thallus closely adnate to substrate, up to 5 cm across, areolate, 1 – 4 mm thick, marginally lobate, 0.4 – 1 mm thick. Areoles (0.5 –) 0.8 – 2 (– 2.4) mm wide, contiguous, angular to rounded, non-constricted at base, interspaces between areoles 0.1 – 0.2 mm wide. Lobes slightly broader in the apex, 2 – 3 mm long, 0.7 – 1.4 mm wide at base, 0.6 – 2 (– 2.5) mm wide at apex. Upper surface convex, cracked, pruinose, white with pale brown tinge where pruina is thin. Upper cortex paraplectenchymatous, 20 – 40 μm thick, containing brown granules (soluble in K); epinecral layer composed of coarse plate-like crystals, gelatinous material, and gray-black granules (insoluble in K), 10 – 30 μm thick. Algal layer 75 – 150 μm high, discontinuous, interrupted by hyphae, 10 – 60 μm wide; photobiont chlorococcoid, cells 8 – 20 µm diameter. Medulla 0.5 – 1 mm high, filled with gray – black granules (generally insoluble in K). Lower cortex absent. Apothecia lecanorine, common, usually 1 per areole, (0.3 –) 0.6 – 1.5 (– 2.0) mm diameter, rounded, sessile, slightly constricted at base when mature; disc slightly concave to plane, black, pruinose; apothecial margin entire, persistent, 0.1 – 0.25 mm wide, pruinose, concolorous with thallus. Exciple narrow, up to 40 μm wide. Epithecium, hymenium and subhymenial layers combined (150 –) 175 – 225 (– 250) µm high; epithecium 5 – 20 µm high; epihymenium 20 – 50 μm high, filled with dark brown granules (soluble in K), N –; hymenium 100 – 150 μm high, hyaline, I – or I + weakly bluish in lower part; subhymenial layers 50 – 100 μm high, hypothecium 40 – 50 μm, hyaline, I + blue; algal layer below hypothecium discontinuous, 50 – 60 μm high; paraphyses simple, septate, submoniliform at the tips, with 2 – 3 uppermost cells shorter and broader than basal cells, 3 – 6 μm wide (basal cells 2 – 3 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 70 – 85 × 20 – 30 µm; ascospores simple, hyaline, broadly ellipsoid, (10.0 -) 11.9 – 13.1 – 14.2 (- 15.0) × (8.0 -) 8.7 – 9.4 – 10.0 (- 11.0) µm (n = 48), l / w ratio (1.0 -) 1.3 – 1.4 – 1.5 (- 1.8), wall ca. 1 µm thick. Pycnidia common, protruding, 0.1 – 0.25 mm in diameter, sometimes elongated, 0.5 (– 0.7) × 0.2 mm (length × width); ostiole brownish to dark brown; conidia bacilliform, hyaline, 5 – 6 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
61101BA96EDF5ACAA2FBB6DE73D09338.taxon	description	Fig. 8	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
61101BA96EDF5ACAA2FBB6DE73D09338.taxon	etymology	Etymology. The epithet refers to the areoles with a constricted and stipitate base.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
61101BA96EDF5ACAA2FBB6DE73D09338.taxon	diagnosis	Diagnosis. Thallus brown, thick, centrally areolate, areoles with a stipitate base, marginally lobate, margin of lobes free from the substrate with granular pruina on the upper surface; apothecia lecanorine, constricted at the base, disc with conspicuous white pruina, apothecial margin persistent, epruinose, brown to orange-brown; hymenium pale brown.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
61101BA96EDF5ACAA2FBB6DE73D09338.taxon	description	Description. Thallus relatively loosely attached to the substrate, up to 4 – 6 cm across, centrally areolate, 3 – 6 (– 8) mm thick, marginally lobate, (0.5 –) 1 – 2 mm thick, free from the substrate. Areoles angular (0.6 – 1.2 mm wide) to elongated (1.5 – 2 × 0.6 – 1 mm wide), base constricted into a stipe, up to 4 mm long, interspaces between areoles 0.1 – 0.3 mm wide. Lobes long, simple to 2 – 3 branched, apices slightly wider than base, 3 – 5 mm long, 0.6 – 1.5 mm wide at base, 0.6 – 2.5 mm wide at apex. Upper surface flat to slightly convex, matt, brown, thinly pruinose, granular pruina present on the margin of lobes. Upper cortex paraplectenchymatous, even, 40 – 50 μm thick, inspersed with brownish and gray granules (soluble in K); epinecral layer gelatinous, 10 – 15 μm thick. Algal layer 75 – 150 μm high, discontinuous; photobiont chlorococcoid, cells 10 – 25 µm diameter. Medulla 0.6 – 3 mm high, filled with gray-black granules (generally insoluble in K). Lower cortex absent. Apothecia lecanorine, common, 1 – 2 per areole, simple to grouped, orbicular to angular by pressure, (0.3 –) 0.5 – 1.5 (– 1.8) mm wide, constricted at base in maturity; disc concave to plane, brown to black, conspicuously pruinose; apothecial margin entire, persistent, epruinose, brown to orange-brown, 0.1 – 0.25 (– 0.3) mm wide. Exciple narrow, widening to 60 – 80 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 125 – 175 µm high; epithecium 5 – 15 µm high, with hyaline plate-like crystals; epihymenium 12.5 – 37.5 μm high, filled with dark brown granules (soluble in K), N –; hymenium 100 – 120 μm high, pale brown (soluble in K), I + dark blue; subhymenial layers 50 – 75 μm high, hypothecium 40 – 50 μm, pale brown (soluble in K), I + dark blue; algal layer below hypothecium sparse or absent; paraphyses simple, septate, submoniliform at the tips, with 2 – 4 uppermost cells shorter and broader than basal cells, 3 – 5 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 70 – 85 × 18 – 25 µm; ascospores simple, hyaline, broadly ellipsoid to ellipsoid, (9.0 -) 9.8 – 11.4 – 12.9 (- 15.0) × (7.0 -) 6.8 – 7.6 – 8.4 (- 11.0) µm (n = 30), l / w ratio (1.0 -) 1.3 – 1.5 – 1.7 (- 2.0), wall ca. 1 µm thick. Pycnidia punctiform, plane to slightly convex, 0.1 – 0.25 mm diameter; ostiole brown to dark brown; conidia bacilliform, hyaline, 4 – 6 × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
0EDCBB2D92E459168AEFC650B0274D75.taxon	description	Fig. 9	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
0EDCBB2D92E459168AEFC650B0274D75.taxon	etymology	Etymology. The epithet refers to the Chinese lichenologist Li-Song Wang, who collected the type specimen.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
0EDCBB2D92E459168AEFC650B0274D75.taxon	diagnosis	Diagnosis. Thallus areolate without marginal lobes, upper surface white, flat; apothecia common, cryptolecanorine to lecanorine, disc black, pruinose, slightly concave to plane, often shallowly fissured at maturity; epihymenium N + weakly greenish to green, containing norstictic and connorstictic acids.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
0EDCBB2D92E459168AEFC650B0274D75.taxon	description	Description. Thallus tightly adnate to the substrate, 1 – 4 mm thick, areolate without marginal lobes, spreading in the field up to 25 cm across, the collected specimen is fragmented, up to 4 cm across. Central areoles commonly rounded, (0.2 –) 0.5 – 1 (– 1.6) mm diameter, not constricted at base, interspaces between areoles 0.1 – 0.2 mm wide; marginal areoles rounded to slightly elongated, 0.8 – 1.2 × 0.5 – 1.2 mm. Upper surface flat, white and pruinose. Upper cortex paraplectenchymatous, 30 – 50 μm thick, inspersed with pale gray granules (soluble in K), uppermost part filled with dark brown granules (partly soluble in K), 20 – 30 μm thick; epinecral layer gray dark, 20 – 50 μm thick. Algal layer 75 – 100 μm thick, mostly continuous, occasionally interrupted by fungal tissue (10 – 20 μm wide); photobiont chlorococcoid, cells 8 – 20 µm in diameter. Medulla 0.5 – 2 mm high, filled with gray-black granules (generally insoluble in K). Lower cortex absent. Apothecia predominantly immersed and cryptolecanorine, rarely emergent and lecanorine, numerous, 1 to 3 per areole, (0.1 –) 0.3 – 1 (– 1.5) mm wide, simple or grouped, orbicular to angular by pressure; disc black, pruinose, slightly concave to plane, often shallowly fissured at maturity; apothecial margin entire, pruinose, concolorous with thallus, absent when young, appearing and gradually receding as the apothecium develops, (0.05 –) 0.1 – 0.2 (– 0.25) mm wide. Exciple narrow, widening to 40 – 80 μm in the uppermost part. Epithecium, hymenium and subhymenial layers combined 125 – 175 µm high; epithecium 5 – 15 µm high, with hyaline plate-like crystals; epihymenium 15 – 50 μm high, filled with brown to dark brown granules (dark soluble in K), N + weakly greenish to green; hymenium (75 –) 100 – 125 μm high, hyaline, I + pale blue to blue; subhymenial layers (40 –) 50 – 70 (– 100) μm high, hypothecium 20 – 60 μm, hyaline, I + blue; algal layer below the hypothecium sparse or absent; paraphyses simple, occasionally anastomosing, septate, submoniliform, with 1 – 3 (– 4) uppermost cells shorter and broader, 4 – 6 μm wide (basal cells ca. 2 μm wide); asci clavate, Aspicilia - type, hyaline, 8 - spored, 60 – 80 × 20 – 30 µm; ascospores simple, hyaline, broadly ellipsoid to ellipsoid, (10.0 -) 11.9 – 13.4 – 14.9 (- 17.0) × (7.0 -) 7.9 – 8.6 – 9.2 (- 10.0) µm (n = 89), l / w ratio (1.1 -) 1.4 – 1.6 – 1.8 (- 2.1), wall ca. 1 µm thick. Pycnidia few, punctiform, plane to slightly convex, 0.1 – 0.2 mm diameter; ostiole dark brown; conidia bacilliform, hyaline, 5 – 7 (– 9) × 1 µm.	en	Wang, Lun, Feng, Yi-Shan, Wang, Li-Song, Wang, Xin-Yu, Zhang, Yan-Yun (2025): An overview of the genus Lobothallia (lichenized Ascomycota, Megasporaceae) in China. MycoKeys 125: 205-244, DOI: 10.3897/mycokeys.125.173554
