identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
97D8EE49011D5432ACDE6A13A38A6173.text	97D8EE49011D5432ACDE6A13A38A6173.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Cryptothecia disjecta J. X. Xue & Lu L. Zhang 2025	<div><p>Cryptothecia disjecta J. X. Xue &amp; Lu L. Zhang sp. nov.</p><p>Fig. 2</p><p>Diagnosis.</p><p>The new species is distinguished from other  Cryptothecia species by its verrucose pseudisidia, which are loosely scattered on the thallus. The upper parts of the pseudisidia are white or have darker dots.</p><p>Type.</p><p>China • Hainan Province, Baoting Li and Miao Autonomous County, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.69665&amp;materialsCitation.latitude=18.70401" title="Search Plazi for locations around (long 109.69665/lat 18.70401)">Qixianling Hot Spring National Forest Park</a>, 18°42'14.43"N, 109°41'47.92"E, alt. 325 m, on the bark of trees, 8 March 2023, J. X. Xue et al. 20230146 (SDNU, holotype)  .</p><p>Description.</p><p>Thallus corticolous, up to 15 cm in diameter, ecorticate, cottony, dull, pale green, loosely attached to the substrate. Pseudisidia verrucose, loosely scattered on the thallus, upper parts white or with darker dots, and most pseudisidia have few projecting hyphae, 0.13–0.26 × 0.13–0.22 mm. Prothallus is usually distinct, thin, whitish byssoid, mainly composed of interwoven and radiating hyphae, 1.1–1.5 mm wide. Medulla white, with calcium oxalate crystals. Photobionts trentepohlioid, cells elliptical to oblong, single or aggregate into bundles, 10–23 × 7–18 µm. Hyphae 1–2.5 µm wide.</p><p>Asci and pycnidia were not observed.</p><p>Chemistry.</p><p>thallus C + red, K + pale yellow, P –, UV + pale grey-white; medulla and paraphysoids I + sky-blue. TLC: gyrophoric acid and lecanoric acid.</p><p>Etymology.</p><p>The epithet refers to its pseudisidia, which are verrucose and loosely distributed across the thallus.</p><p>Ecology and distribution.</p><p>This species is found only in China on the bark of trees in a humid tropical forest in Hainan Province.</p><p>Notes.</p><p>Morphologically,  Cryptothecia disjecta is similar to both  Herpothallon and  Cryptothecia . However, we describe  C. disjecta on the basis of its morphological and chemical characteristics and assign it to  Cryptothecia on the basis of sequencing (Aptroot et al. 2024).  Cryptothecia disjecta is similar to  C. eungellae G. Thor, as they both have whitish byssoid prothallus, I + sky-blue medulla and C + red thallus, but  C. eungellae has 1 - spored asci, muriform ascospores, and gyrophoric acid and norstictic acid as secondary metabolites (Thor 1997; Jagadeesh Ram and Sinha 2016).</p><p>Phylogenetically,  Cryptothecia disjecta is clustered with  C. bartlettii G. Thor. They both have cottony thallus, whitish byssoid prothallus and C + red thallus, but  C. bartlettii has delimited ascigerous areas (developing in the thallus centre and covered with globose isidia-like structures), 1 - spored asci and muriform ascospores (Thor 1997).</p><p>Additional specimens examined.</p><p>China • Hainan Province, Baoting Li and Miao Autonomous County, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.69665&amp;materialsCitation.latitude=18.70401" title="Search Plazi for locations around (long 109.69665/lat 18.70401)">Qixianling Hot Spring National Forest Park</a>, 18°42'14.43"N, 109°41'47.92"E, alt. 325 m, on the bark of trees, 8 March 2023, J. X. Xue et al. 20230144 (SDNU) ; •  ibid., 20230145 (SDNU) .</p></div>	https://treatment.plazi.org/id/97D8EE49011D5432ACDE6A13A38A6173	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Xue, Junxia;Yang, Zihao;Li, Ruotong;Zhang, Lulu	Xue, Junxia, Yang, Zihao, Li, Ruotong, Zhang, Lulu (2025): Four new species of Cryptothecia (Arthoniaceae, Ascomycota) and Myriostigma (Arthoniaceae, Ascomycota) from China, based on morphology and molecular phylogeny. MycoKeys 114: 367-383, DOI: 10.3897/mycokeys.114.139180
730620171A155128B1FB098533134A32.text	730620171A155128B1FB098533134A32.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Cryptothecia sorediatum J. X. Xue & Lu L. Zhang 2025	<div><p>Cryptothecia sorediatum J. X. Xue &amp; Lu L. Zhang sp. nov.</p><p>Fig. 3</p><p>Diagnosis.</p><p>The new species differs from other species of  Cryptothecia in its soralia and I – medulla.</p><p>Type.</p><p>China • Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, Jinuo Mountain, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.19251&amp;materialsCitation.latitude=21.914516" title="Search Plazi for locations around (long 101.19251/lat 21.914516)">Jinuo Ethnic Township</a>, 21°54'52.26"N, 101°11'33.04"E, alt. 630 m, on the bark of trees, 3 March 2023, L. L. Liu et al. 20230379 (SDNU, holotype)  .</p><p>Description.</p><p>Thallus corticolous, up to 4 cm in diameter, ecorticate, cottony, dull, pale green, firmly attached to the substrate. Soralia globose, with many calcium oxalate crystals, 0.07–0.2 × 0.07–0.2 µm. Prothallus is usually distinct, thick, whitish byssoid, mainly composed of interwoven and radiating hyphae, 0.9–1.7 mm wide. Medulla white, with calcium oxalate crystals. Photobionts trentepohlioid, cells rounded to elliptical, single or aggregate into bundles, 7–12 × 6–12 µm. Hyphae 1–2.5 µm wide.</p><p>Asci and pycnidia were not observed.</p><p>Chemistry.</p><p>thallus C + red, K –, P –, UV + pale grey-white; medulla and paraphysoids I –. TLC: gyrophoric acid and lecanoric acid.</p><p>Etymology.</p><p>The epithet refers to the presence of soralia on its thallus.</p><p>Ecology and distribution.</p><p>This species is found only in China on the bark of trees in a humid tropical forest in Yunnan Province.</p><p>Notes.</p><p>Morphologically,  Cryptothecia sorediatum is similar to  C. bartlettii G. Thor, as they both have C + red thallus and globose structures ( C. sorediatum has globose soralia, and  C. bartlettii has globose isidia-like structures) on their thallus, but  C. bartlettii has I + sky-blue medulla, 1 - spored asci and muriform ascospores (Thor 1997).</p><p>Phylogenetically,  Cryptothecia sorediatum is clustered with  C. subnidulans Stirton,  C. inexspectata G. Thor and  C. striata G. Thor. They all have a cottony thallus and whitish byssoid prothallus, but  C. subnidulans has a C – thallus, muriform ascospores (69–90 × 29–44 µm) and psoromic acid as a secondary metabolite (Thor 1997).  C. inexspectata has whitish ascigerous areas, I + sky-blue medulla and muriform ascospores (33–50 × 16–22 µm) (Thor 1997).  C. striata has granular isidia-like structures on the thallus, I + sky-blue medulla and muriform ascospores [(46 –) 55–70 (– 80) × (19 –) 23–29 (– 37) µm] (Thor 1991).</p><p>Additional specimens examined.</p><p>China • Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.19251&amp;materialsCitation.latitude=21.914516" title="Search Plazi for locations around (long 101.19251/lat 21.914516)">Jinuo Mountain</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.19251&amp;materialsCitation.latitude=21.914516" title="Search Plazi for locations around (long 101.19251/lat 21.914516)">Jinuo Ethnic Township</a>, 21°54'52.26"N, 101°11'33.04"E, alt. 630 m, on the bark of trees, 3 March 2023, L. L. Liu et al. 20230377 (SDNU) ; •  ibid., 20230381 (SDNU) .</p></div>	https://treatment.plazi.org/id/730620171A155128B1FB098533134A32	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Xue, Junxia;Yang, Zihao;Li, Ruotong;Zhang, Lulu	Xue, Junxia, Yang, Zihao, Li, Ruotong, Zhang, Lulu (2025): Four new species of Cryptothecia (Arthoniaceae, Ascomycota) and Myriostigma (Arthoniaceae, Ascomycota) from China, based on morphology and molecular phylogeny. MycoKeys 114: 367-383, DOI: 10.3897/mycokeys.114.139180
91DCB7B4BE045AE2B50D74C823DB5907.text	91DCB7B4BE045AE2B50D74C823DB5907.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Myriostigma melanovillosa J. X. Xue & Lu L. Zhang 2025	<div><p>Myriostigma melanovillosa J. X. Xue &amp; Lu L. Zhang sp. nov.</p><p>Fig. 4</p><p>Diagnosis.</p><p>The new species differs from other species of  Myriostigma in the presence of black or purple dots on the thalli and hyaline to pale yellow ascospores (63–71 × 26–33 µm).</p><p>Type.</p><p>China • Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=100.877075&amp;materialsCitation.latitude=22.032152" title="Search Plazi for locations around (long 100.877075/lat 22.032152)">Primitive Forest Park</a>, 22°1'55.75"N, 100°52'37.47"E, alt. 689 m, on the bark of trees, 7 March 2023, L. L. Liu et al. 20230635 (SDNU, holotype)  .</p><p>Description.</p><p>Thallus corticolous, up to 6 cm in diameter, ecorticate, cottony, dull, greenish grey to whitish grey, with black or purple dots, firmly attached to the substrate. Isidia not observed. Prothallus is usually distinct, thin, whitish byssoid, mainly composed of interwoven and radiating hyphae, 0.7–1.3 mm wide, forming a dark brown to black line while bordering different species. Medulla white, with calcium oxalate crystals. Photobionts trentepohlioid, cells rounded to elliptical, single or a few cells aggregated, 5–11 × 5–8 µm. Hyphae 1–2 µm wide.</p><p>Ascigerous areas are distinct, generally delimited, erumpent, slightly raised above the thallus level, plaque, irregular in outline, white with dense brown dots indicating individual asci. Asci frequent, hyaline, pale yellow when mature, globose to subglobose, often covered by hyaline hyphae, 8 - spored, 103–115 × 97–115 µm. Ascospores hyaline, pale yellow when mature, oblong, muriform, curved, often broader in the centre, 63–71 × 26–33 µm.</p><p>Pycnidia were not observed.</p><p>Chemistry.</p><p>thallus C + red, K –, P –, UV + pale grey-white; medulla and paraphysoids I + sky-blue. TLC: gyrophoric acid, lecanoric acid and confluentic acid.</p><p>Etymology.</p><p>The epithet refers to the presence of black or purple dots on the thallus.</p><p>Ecology and distribution.</p><p>This species is found only in China on the bark of trees in a humid tropical forest in Yunnan Province.</p><p>Notes.</p><p>Morphologically,  Myriostigma melanovillosa is similar to  M. irregularis Lücking, Aptroot, Kalb &amp; Elix, as they both have irregular erumpent and with brown dots whitish ascigerous areas, but  M. irregularis has narrower asci (40–70 µm wide) and psoromic acid, subpsoromic acid, 2 ′ - O - demethylpsoromic acid and trace confluentic acid as secondary metabolites (Lücking et al. 2006).</p><p>Phylogenetically,  Myriostigma melanovillosa is clustered with  Stirtonia neotropica Aptroot. They both have C + red thalli and 8 - spored asci, but  S. neotropica has linear shape ascigerous areas, ovoid asci and transversely septate ascospores (35–38 × 10–12 µm) (Aptroot 2009).</p><p>Additional specimens examined.</p><p>China • Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=100.877075&amp;materialsCitation.latitude=22.032152" title="Search Plazi for locations around (long 100.877075/lat 22.032152)">Primitive Forest Park</a>, 22°1'55.75"N, 100°52'37.47"E, alt. 689 m, on the bark of trees, 7 March 2023, L. L. Liu et al. 20230629 (SDNU) ; •  ibid., 20234628 (SDNU) .</p></div>	https://treatment.plazi.org/id/91DCB7B4BE045AE2B50D74C823DB5907	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Xue, Junxia;Yang, Zihao;Li, Ruotong;Zhang, Lulu	Xue, Junxia, Yang, Zihao, Li, Ruotong, Zhang, Lulu (2025): Four new species of Cryptothecia (Arthoniaceae, Ascomycota) and Myriostigma (Arthoniaceae, Ascomycota) from China, based on morphology and molecular phylogeny. MycoKeys 114: 367-383, DOI: 10.3897/mycokeys.114.139180
300734BC667D58549AD577EDF677CE68.text	300734BC667D58549AD577EDF677CE68.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Myriostigma visus-blotch J. X. Xue & Lu L. Zhang 2025	<div><p>Myriostigma visus-blotch J. X. Xue &amp; Lu L. Zhang sp. nov.</p><p>Fig. 5</p><p>Diagnosis.</p><p>The new species differs from other species of  Myriostigma in ascigerous areas, which have many irregular small patches that are scattered or clustered together radially elongated; hyaline ascospores (31 –) 37–74 × (14 –) 17–29 µm.</p><p>Type.</p><p>China • Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=100.88495&amp;materialsCitation.latitude=22.03603" title="Search Plazi for locations around (long 100.88495/lat 22.03603)">Primitive Forest Park</a>, 22°2'9.71"N, 100°53'5.81"E, alt. 716 m, on the bark of trees, 7 March 2023, L. L. Liu et al. 20230681 (SDNU, holotype) ; •   ibid., Mengla County, Menglun Town, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.26821&amp;materialsCitation.latitude=21.920015" title="Search Plazi for locations around (long 101.26821/lat 21.920015)">Xishuangbanna Tropical Botanical Garden</a>, 21°55'12.06"N, 101°16'5.55"E, alt. 496 m, on the bark of trees, 5 March 2023, L. L. Liu et al. 20231187 (SDNU, paratype)  .</p><p>Description.</p><p>Thallus corticolous or bambusicolous, up to 6.5 cm in diameter, ecorticate, cottony, dull, pale green to greenish grey, firmly attached to the substrate. Isidia not observed. Prothallus is usually distinct, thin, whitish byssoid, mainly composed of interwoven and radiating hyphae, 0.8–2.5 mm wide, forming a dark brown to black line while bordering different species. Medulla white, with calcium oxalate crystals. Photobionts trentepohlioid, cells elliptical to oblong, single or aggregate into bundles, 6–14 × 6–9 µm. Hyphae 1–2 µm wide.</p><p>Ascigerous areas are distinct, generally delimited, slightly raised above the thallus level, developing in the thallus centre, colour lighter than the thallus, many irregular small patches that are scattered or clustered together radially elongated. Asci hyaline, globose to subglobose, often covered by hyaline hyphae, 8 - spored, 82–91 × 81–90 µm. Ascospores hyaline, oblong, muriform, curved, often broader in the centre, (31 –) 37–74 × (14 –) 17–29 µm.</p><p>Pycnidia hyaline, globose to subglobose, scattered and immersed across the thallus, 55–85 × 54–80 μm. Conidia hyaline, short bacilliform, 4–5 × 0.9–1 μm.</p><p>Chemistry.</p><p>thallus C + red, K + pale yellow, P –, UV + pale grey-white; medulla and paraphysoids I + sky-blue. TLC: gyrophoric acid, lecanoric acid and confluentic acid.</p><p>Etymology.</p><p>The epithet refers to its ascigerous areas having many irregular pale green small patches.</p><p>Ecology and distribution.</p><p>This species is found only in China on bamboo and trees in humid tropical forests in Hainan and Yunnan Provinces.</p><p>Notes.</p><p>Myriostigma visus-blotch is widely distributed in the Xishuangbanna Dai Nationality Autonomous Prefecture. The ascigerous areas of  M. visus-blotch begin as a small bulge slightly higher than the thallus and gradually become multiple small patches or radially elongated in the centre of the thallus, and the colour of the ascigerous areas is pale green. In addition, we found that species with asci generally do not have pycnidia, and species with pycnidia generally do not have asci.</p><p>Phylogenetically,  Myriostigma visus-blotch is clustered with  M. flavescens J. X. Xue &amp; Lu L. Zhang and  M. laxipunctata J. X. Xue &amp; Lu L. Zhang. They all have C + red thalli, globose asci and muriform ascospores, but  M. flavescens has a black linear shape prothallus, white ascigerous areas and yellow ascospores (58–76 × 19–28 µm).  M. laxipunctata has complete ascigerous areas (not small patches or radially elongated), larger asci (95–124 × 93–119 µm), and loose brown dots indicating asci (Xue et al. 2024).</p><p>Additional specimens examined.</p><p>China • Hainan Province, Baoting Li and Miao Autonomous County, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.69665&amp;materialsCitation.latitude=18.70401" title="Search Plazi for locations around (long 109.69665/lat 18.70401)">Qixianling Hot Spring National Forest Park</a>, 18°42'14.43"N, 109°41'47.92"E, alt. 325 m, on the bark of trees, 8 March 2023, J. X. Xue et al. 20230142 (SDNU) ; •  ibid., 20230138 (SDNU); •  ibid., 20230134 (SDNU); •   Yunnan Province, Xishuangbanna Dai Nationality Autonomous Prefecture, Jinghong City, Mengla County, Menglun Town, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.2581&amp;materialsCitation.latitude=21.929277" title="Search Plazi for locations around (long 101.2581/lat 21.929277)">Xishuangbanna Tropical Botanical Garden</a>, 21°55'45.40"N, 101°15'29.17"E, alt. 518 m, on the bark of trees, 4 March 2023, L. L. Liu et al. 20230950 (SDNU) ; •  ibid., 20230969 (SDNU); •  ibid., 21°55'30.14"N, 101°15'42.72"E, alt. 527 m, on the bark of trees, 5 March 2023, L. L. Liu et al. 20233946 (SDNU); •  ibid., 21°55'50.99"N, 101°15'33.29"E, alt. 512 m, on the bark of trees, 4 March 2023, L. L. Liu et al. 20230973 (SDNU); •  ibid., 21°55'55.96"N, 101°14'35.00"E, alt. 560 m, on the bark of trees, 4 March 2023, L. L. Liu et al. 20230847 (SDNU); •  ibid., on bamboo, 4 March 2023, L. L. Liu et al. 20230837 (SDNU); •   ibid., Jinuo Mountain, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.19251&amp;materialsCitation.latitude=21.914516" title="Search Plazi for locations around (long 101.19251/lat 21.914516)">Jinuo Ethnic Township</a>, 21°54'52.26"N, 101°11'33.04"E, alt. 640 m, on the bark of trees, 3 March 2023, L. L. Liu et al. 20230502 (SDNU) ; •   ibid., <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=100.85681&amp;materialsCitation.latitude=22.177137" title="Search Plazi for locations around (long 100.85681/lat 22.177137)">Wild Elephant Valley</a>, 22°10'37.70"N, 100°51'24.54"E, alt. 749 m, on the bark of trees, 6 March 2023, L. L. Liu et al. 20230602 (SDNU) ; •   ibid., <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=100.88495&amp;materialsCitation.latitude=22.03603" title="Search Plazi for locations around (long 100.88495/lat 22.03603)">Primitive Forest Park</a>, 22°2'9.71"N, 100°53'5.81"E, alt. 746 m, on the bark of trees, 7 March 2023, L. L. Liu et al. 20230692 (SDNU)  .</p></div>	https://treatment.plazi.org/id/300734BC667D58549AD577EDF677CE68	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Xue, Junxia;Yang, Zihao;Li, Ruotong;Zhang, Lulu	Xue, Junxia, Yang, Zihao, Li, Ruotong, Zhang, Lulu (2025): Four new species of Cryptothecia (Arthoniaceae, Ascomycota) and Myriostigma (Arthoniaceae, Ascomycota) from China, based on morphology and molecular phylogeny. MycoKeys 114: 367-383, DOI: 10.3897/mycokeys.114.139180
