identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
553EB31CCA8E51AAA457C8D7AFF775DC.text	553EB31CCA8E51AAA457C8D7AFF775DC.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ceriporia armeniaca Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Ceriporia armeniaca Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 4, 5</p><p>Etymology.</p><p>Armeniaca (Lat.): refers to the species having an apricot pore surface when dry.</p><p>Diagnosis.</p><p>Differs from other Ceriporia species by resupinate basidiomata with a white pore surface when fresh, apricot when dry, round to angular pores of 5–7 per mm, subicular hyphae distinctly wider than tramal hyphae, lunate to allantoid basidiospores measuring 4–4.5 × 2–2.2 µm.</p><p>Type.</p><p>CHINA • Guangdong Province, Guangzhou, Baiyunshan Forest Park, on fallen angiosperm branch, 18 April 2023, Dai 24678 A (BJFC 042232, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft, without odor or taste when fresh, consistently soft when fresh and dry, up to 5 cm long, 3 cm wide, and 0.2 mm thick at the center. Pore surface white when fresh, becoming apricot upon drying; sterile margin indistinct to almost lacking; pores round to angular, 5–7 per mm; dissepiments thin, lacerate. Subiculum very thin to almost absent. Tubes concolorous with pore surface, soft when dry, up to 0.2 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, IKI -, CB +; tissues becoming orange-brown in KOH. Subicular hyphae slightly thick-walled with a wide lumen, abundantly covered with small to large hyaline crystals and oily substances, sometimes encrusted with fine crystals and oily substances, frequently branched at more or less a right angle, straight, slightly interwoven, 5–7 µm in diam. Tramal hyphae thin-walled with a wide lumen, abundantly covered with rhombic or irregular hyaline crystals and olive oily substances, sometimes encrusted with fine crystals and oily substances, frequently branched, straight to slightly flexuous, subparallel along the tubes, agglutinated, 3–4 µm in diam. Cystidia and cystidioles absent. Basidia clavate, with four sterigmata and a simple basal septum, 11–15.5 × 4–6 µm; basidioles clavate to pyriform, smaller than basidia. Basidiospores lunate to allantoid, hyaline, thin-walled, smooth, sometimes with one or two small guttules, IKI -, CB -, 4–4.5 (– 5) × 2–2.2 µm, L = 4.19 µm, W = 2.09 µm, Q = 2.01 (n = 30 / 1).</p><p>Notes.</p><p>Ceriporia armeniaca is closely related to C. arbuscula C. C. Chen &amp; Sheng H. Wu and C. hinnulea Y. C. Dai, Chao G. Wang &amp; Yuan Yuan, but C. arbuscula has a yellowish brown to pale brown pore surface when dry, short and tortuously branched and narrower subicular hyphae (2–5 μm diam. vs. 5–7 µm in diam., Chen et al. 2020), and smaller basidiospores (3–3.5 × 1–1.5 μm vs. 4–4.5 × 2–2.2 µm, Chen et al. 2020); Ceriporia hinnulea is distinguished from C. armeniaca by a fawn to cinnamon pore surface when dry, narrower subicular hyphae without crystals or oily substances (3–5 μm diam. vs. 5–7 µm in diam., Wang et al. 2023), and relatively smaller basidiospores (3.5–4 × 2–2.1 µm vs. 4–4.5 × 2–2.2 µm, Wang et al. 2023). In addition, these three species form three independent lineages in the Ceriporia clade (Fig. 1).</p><p>Ceriporia alba M. Pieri &amp; B. Rivoire, C. camaresiana (Bourdot &amp; Galzin) Bondartsev &amp; Singer and C. rhodella (Fr.) Donk all have white pore surfaces when fresh. However, the first two have bigger pores (3–4 per mm in C. alba, 1–3 per mm in C. camaresiana vs. 5–7 per mm, Ryvarden and Gilbertson 1993; Pieri and Rivoire 1997) and bigger basidiospores (5.5–7 × 2–2.5 μm in C. alba, 5–6 × 2–3 μm in C. camaresiana vs. 4–4.5 × 2–2.2 µm, Ryvarden and Gilbertson 1993; Pieri and Rivoire 1997); C. rhodella has narrower basidiospores (3.5–4 × 1.5–2 μm vs. 4–4.5 × 2–2.2 µm, Lombard and Gilbertson 1965).</p></div>	https://treatment.plazi.org/id/553EB31CCA8E51AAA457C8D7AFF775DC	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
5B7F27E7B9465990BDF34C447E456D36.text	5B7F27E7B9465990BDF34C447E456D36.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ceriporia crassiparietata Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Ceriporia crassiparietata Y. C. Dai, Chao G. Wang &amp; Yuan Yuan, sp. nov.</p><p>Figs 6, 7</p><p>Etymology.</p><p>Crassiparietata (Lat.): refers to the species having a pore surface with thick dissepiments.</p><p>Diagnosis.</p><p>Differs from other Ceriporia species by resupinate basidiomata with white to light yellow pore surface when fresh, cream to orange-yellow when dry, angular to irregular or sinuous pores of 4–5 per mm, distinctly thick dissepiments, subicular hyphae distinctly wider than tramal hyphae, lunate to allantoid basidiospores measuring 4–4.4 × 2.1–2.3 µm.</p><p>Type.</p><p>CHINA • Zhejiang Province, Wuyi County, Dahongyan Forest Park, on rotten angiosperm wood, 19 June 2023, Dai 25079 (BJFC 042632, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft, without odor or taste when fresh, consistently soft when fresh and dry, up to 3 cm long, 1 cm wide, and 0.2 mm thick at the center. Pore surface white to light yellow when fresh, becoming cream to orange-yellow upon drying; sterile margin indistinct to almost lacking; pores angular to irregular or sinuous, 4–5 per mm; dissepiments thick, entire. Subiculum very thin to almost absent. Tubes concolorous with pore surface, soft when dry, up to 0.2 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, IKI -, CB +; tissues unchanged in KOH. Subicular hyphae thin-walled with a wide lumen, abundantly covered with large, rhombic, hyaline crystals and some oily substances, encrusted with fine crystals, frequently branched at more or less a right angle, slightly flexuous, interwoven, 5–6 µm in diam. Tramal hyphae thin-walled with a wide lumen, abundantly covered with rhombic hyaline or pale orange crystals and oily substances, encrusted with fine crystals, frequently branched, straight to slightly flexuous, subparallel along the tubes, agglutinated, 3–4.5 µm in diam. Cystidia and cystidioles absent. Basidia mostly barrel-shaped to short clavate, with four sterigmata and a simple basal septum, 9–11 × 5 µm; basidioles of similar shape to basidia, but smaller. Basidiospores lunate to allantoid, hyaline, thin-walled, smooth, IKI -, CB -, (3.8 –) 4–4.4 (– 4.6) × (2 –) 2.1–2.3 (– 2.5) µm, L = 4.08 µm, W = 2.19 µm, Q = 1.85–1.89 (n = 60 / 2).</p><p>Additional specimens examined.</p><p>CHINA • Liaoning Province, Fengcheng County, Tongyuanbao, on Quercus, 27 August 2006, Dai 7759 (BJFC 010215); Xizang Autonomous Region, Linzhi, Chayu County, fallen branch of Rosaceae, 27 October 2023, Dai 26986 (BJFC 044538), Dai 26988 (BJFC 044540).</p><p>Notes.</p><p>Ceriporia crassiparietata is closely related to the Ceriporia viridans group by sharing resupinate basidiomata with a cream, cinnamon buff, pinkish, lilac to apricot orange pore surface; subicular hyphae wider than tramal hyphae; hyphae frequently branched at a right angl; and oblong-ellipsoid, short cylindrical, lunate to allantoid basidiospores mostly wider than 1.5 µm (Wang et al. 2023). Ceriporia eucalypti Y. C. Dai &amp; Jia J. Chen, C. gossypina Y. C. Dai, Chao G. Wang &amp; Yuan Yuan and C. subviridans Y. C. Dai, Chao G. Wang &amp; Yuan Yuan are similar to C. crassiparietata by having almost the same size of pores (3–5 per mm or 4–5 per mm). However, C. eucalypti has narrower basidiospores (4–4.4 × 1.1–1.4 µm vs. 4–4.4 × 2.1–2.3 µm, Chen et al. 2022); C. gossypina has a white, buff to deep olive pore surface when fresh and relatively smaller basidiospores (3.5–4 × 1.8–2 µm vs. 4–4.4 × 2.1–2.3 µm, Wang et al. 2023); and C. subviridans has a peach to apricot orange pore surface when dry, wider subicular hyphae (4.5–9 µm in diam. vs. 5–6 µm in diam., Wang et al. 2023), and relatively smaller basidiospores (3.3–3.7 × 1.8–2 µm vs. 4–4.4 × 2.1–2.3 µm, Wang et al. 2023).</p><p>Ceriporia cystidiata Ryvarden &amp; Iturr., C. microspora I. Lindblad &amp; Ryvarden and C. otakou (G. Cunn.) P. K. Buchanan &amp; Ryvarden share white, cream to isabelline basidiomata with C. crassiparietata . However, C. cystidiata is known from C. crassiparietata by tubular encrusted cystidia and narrower allantoid basidiospores (4–4.5 × 1 µm vs. 4–4.4 × 2.1–2.3 µm, Ryvarden and Iturriaga 2003). Ceriporia microspora is easily distinguished from C. crassiparietata by smaller ellipsoid basidiospores (3–3.5 × 1.5–2 µm vs. 4–4.4 × 2.1–2.3 µm, Lindblad and Ryvarden 1999). Ceriporia otakou differs from C. crassiparietata by larger pores (1–3 per mm vs. 4–5 per mm, Cunningham 1947) and bigger ovoid to ellipsoid basidiospores (4.5–6 × 2–2.5 µm vs. 4–4.4 × 2.1–2.3 µm, Cunningham 1947).</p></div>	https://treatment.plazi.org/id/5B7F27E7B9465990BDF34C447E456D36	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
7952FE5848F75B919AD6057FDC140054.text	7952FE5848F75B919AD6057FDC140054.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ceriporia Donk	<div><p>Ceriporia Donk, Rev. Niederl. Homob. Aphyll. 2: 170 (1933).</p><p>Type species.</p><p>Ceriporia viridans (Berk. &amp; Broome) Donk [as ‘Ceraporia’], Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 9: 171 (1933).</p><p>Description.</p><p>For a detailed description of this genus, see Wang et al. (2023).</p></div>	https://treatment.plazi.org/id/7952FE5848F75B919AD6057FDC140054	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
8A5B7E5E55ED55BA87EF5533D2ABC047.text	8A5B7E5E55ED55BA87EF5533D2ABC047.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ceriporia wuyiana Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Ceriporia wuyiana Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 8, 9</p><p>Etymology.</p><p>Wuyiana (Lat.): refers to the species being found in Wuyi County, Zhengjiang Prov., East China.</p><p>Diagnosis.</p><p>Differs from other Ceriporia species by resupinate basidiomata with a white to cream pore surface when fresh, clay pink to pale lavender when dry, round to angular pores of 5–6 per mm, subicular hyphae relatively wider than tramal hyphae, allantoid to lunate basidiospores measuring 4.3–5 × 1.7–2 µm.</p><p>Type.</p><p>CHINA • Zhejiang Province, Wuyi County, Guodong Forest Park, on rotten angiosperm wood, 19 June 2023, Dai 24998 (BJFC 042551, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft, without odor or taste when fresh, soft when dry, up to 6 cm long, 2.5 cm wide, and 0.2 mm thick at the center. Pore surface white to cream when fresh, becoming clay pink to pale lavender upon drying; sterile margin indistinct to almost lacking; pores round to angular, 5–6 per mm; dissepiments thin, lacerate. Subiculum very thin to almost absent. Tubes concolorous with pore surface, soft when dry, up to 0.2 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, IKI -, CB +; tissues becoming orange-brown in KOH. Subicular hyphae thin- to slightly thick-walled with a wide lumen, abundantly covered with small, rhombic, hyaline crystals and oily substances, sometimes encrusted with fine crystals, frequently branched at more or less a right angle, straight, slightly interwoven, 4–5 µm in diam. Tramal hyphae thin-walled with a wide lumen, abundantly covered with rhombic or irregular pale orange crystals and oily substances, sometimes encrusted with fine crystals, frequently branched, straight to slightly flexuous, subparallel along the tubes, agglutinated, 3–4 µm in diam. Cystidia and cystidioles absent. Basidia barrel-shaped to somewhat pyriform, with four sterigmata and a simple basal septum, 9–12.5 × 4–5 µm; basidioles of similar shape to basidia, but smaller. Basidiospores allantoid to lunate, hyaline, thin-walled, smooth, IKI -, CB -, (4.1 –) 4.3–5 × (1.5 –) 1.7–2 µm, L = 4.58 µm, W = 1.83 µm, Q = 2.51 (n = 30 / 1).</p><p>Notes.</p><p>Ceriporia wuyiana is similar and related to C. punicans Vlasák &amp; Spirin by subicular hyphae relatively wider than tramal hyphae and almost the same size as basidiospores (4.1–5.3 × 1.7–2.1 µm vs. 4.3–5 × 1.7–2 µm, Spirin et al. 2016). However, the latter has a white or pale pink pore surface when fresh, orange to pinkish orange when dry, and entire dissepiments (Spirin et al. 2016).</p></div>	https://treatment.plazi.org/id/8A5B7E5E55ED55BA87EF5533D2ABC047	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
5CA47E448D7954A0A1086F95D821C09D.text	5CA47E448D7954A0A1086F95D821C09D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus africanus (Decock & Ryvarden) Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus africanus (Decock &amp; Ryvarden) Y. C. Dai, Chao G. Wang &amp; Yuan Yuan comb. nov.</p><p>Basionym.</p><p>Physisporinus africanus Decock &amp; Ryvarden, Syn. Fung. (Oslo) 44: 16 (2021).</p></div>	https://treatment.plazi.org/id/5CA47E448D7954A0A1086F95D821C09D	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
2ABBF70413965AD3A10ADF89F3435A5E.text	2ABBF70413965AD3A10ADF89F3435A5E.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus albomarginatus Y. C. Dai, Xin Zhang, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus albomarginatus Y. C. Dai, Xin Zhang, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 12, 13</p><p>Etymology.</p><p>Albomarginatus (Lat.): refers to the species having a white pileal margin when fresh.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by effused-reflexed to pileate basidiomata with buff yellow to cinnamon buff and concentrically zonate-sulcate pileal surface when dry, thick-walled and apically encrusted hyphoid cystidia, subglobose basidiospores measuring 5.2–6.2 × 4.6–5.7 µm.</p><p>Type.</p><p>CHINA • Yunnan Province, Honghe, Pingbian County, Daweishan National Forest Park, on fallen angiosperm trunk, 26 June 2019, Dai 19796 (BJFC 031471, holotype) .</p><p>Description.</p><p>Basidiomata annual, effused-reflexed to pileate, imbricate, soft corky, and without odor or taste when fresh, becoming hard corky upon drying, up to 3 cm long and 2.5 cm wide when resupinate; pileus flabelliform, projecting up to 2 cm, 3.5 cm wide, and 1.6 mm thick at the base. Pileal surface orange-yellow to yellow-brown when fresh, becoming buff yellow to cinnamon buff, velutinate, concentrically zonate, and radially sulcate upon drying; margin sharp, thinning out, white when fresh, buff yellow and slightly curved when dry. Pore surface cream to pinkish buff when fresh, unchanged after bruising, clay buff to grayish brown when dry; sterile margin distinct, thinning out, white when fresh, cream to buff when dry; pores angular, 7–8 per mm; dissepiments thin, entire to slightly lacerate. Subiculum buff yellow, soft corky, up to 0.6 mm thick. Tubes concolorous with pore surface, corky when dry, up to 1 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, smooth, IKI -, CB +; tissues unchanged in KOH. Contextual hyphae distinctly thick-walled to almost solid, unbranched, straight, loosely interwoven, 5–9 µm in diam. Tramal hyphae distinctly thick-walled with a median lumen, unbranched, slightly flexuous, subparallel along the tubes, agglutinated, 4–8 µm in diam. Hyphoid cystidia present, arising from tramal hyphae and completely embedded in trama, not projecting from the hymenium and sometimes projecting from the dissepiment edge, thick-walled with swollen tips, apically encrusted, 9–12 µm in diam. at the apex. Hymenial cystidia absent; cystidioles fusoid to mamillate, thin-walled, smooth, 14–17 × 6–6.5 µm; basidia barrel-shaped to somewhat pyriform, with four sterigmata and a simple basal septum, 17–20 × 8–9 µm; basidioles of similar shape to basidia, but smaller. Basidiospores subglobose, hyaline, thin-walled, smooth, with one medium or small guttule, IKI -, CB -, (5 –) 5.2–6.2 (– 6.5) × (4.5 –) 4.6–5.7 (– 6) µm, L = 5.79 µm, W = 5.19 µm, Q = 1.11–1.12 (n = 60 / 2).</p><p>Additional specimens examined.</p><p>CHINA • Guangdong Province, Guangzhou, Tianluhu Forest Park, on root of dead bamboo, 20 April 2023, Dai 24711 (BJFC 042265) . • Yunnan Province, Yuxi, Shimenxia Forest Park, on dead bamboo, 29 June 2023, Dai 25241 (BJFC 042792) .</p><p>Notes.</p><p>Meripilus albomarginatus is similar to M. lineatus (Pers.) Westph. &amp; Rajchenb. and M. sublineatus (Y. C. Dai, Yuan Yuan &amp; Chao G. Wang) Westph. &amp; Rajchenb. in morphology by having effused-reflexed to pileate basidiomata with concentrically zonate-sulcate pileal surface, clay buff to gray-brown pore surface when dry, thick-walled and apically encrusted hyphoid cystidia and almost the same size as basidiospores (5–6 µm in M. lineatus; 4.8–5.6 × 4.5–5.2 µm in M. sublineatus; 5.2–6.2 × 4.6–5.7 µm in M. albomarginatus, Ryvarden and Gilbertson 1994; Wang et al. 2024). However, M. lineatus has a pinkish-buff to reddish-brown pileal surface and a bright orange-red pore surface when fresh (Ryvarden and Johansen 1980), and M. sublineatus has a normally azonate pileal surface and ventricose thin-walled hymenial cystidia bearing fine crystals (Wang et al. 2024).</p><p>Meripilus albomarginatus forms an independent lineage in the Meripilus clade (Fig. 2) and groups with M. lineatus and M. sublineatus in a joint subclade (Fig. 2). However, there are 20 base pair differences in ITS sequences between Meripilus albomarginatus and M. lineatus, which account for a 3 % nucleotide difference in the ITS regions.</p><p>Four recorded synonyms of Meripilus lineatus ( Physisporinus lineatus), viz. Polyporus zonalis Berk. (Sri Lanka), P. pusiolus Ces. (Malaysia), P. punctatus Jungh. (Indonesia), and P. epilinteus Berk. &amp; Broome (Sri Lanka), were originally described from Asia. Polyporus zonalis has a pinkish-buff to reddish-brown upper surface, concolorous margin, and white to dingy livid gray pore surface (Pegler and Waterston 1968); P. punctatus has a cloudy-dirty and pale red pore surface and very small pores (Junghuhn 1838); and P. pusiolus and P. epilinteus have resupinate basidiomata (Berkeley and Broome 1873; Cesati 1879). The above four species are different from Meripilus lineatus, M. sublineatus and M. albomarginatus in morphology.</p></div>	https://treatment.plazi.org/id/2ABBF70413965AD3A10ADF89F3435A5E	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
4F0573F503EF5C5E88B79C4EB126F5E2.text	4F0573F503EF5C5E88B79C4EB126F5E2.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus cataractus (Ryvarden) Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus cataractus (Ryvarden) Y. C. Dai, Chao G. Wang &amp; Yuan Yuan comb. nov.</p><p>Basionym.</p><p>Physisporinus cataractus Ryvarden, Syn. Fung. (Oslo) 39: 68 (2019).</p></div>	https://treatment.plazi.org/id/4F0573F503EF5C5E88B79C4EB126F5E2	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
3A6D288443E45DACA4704106864D4D58.text	3A6D288443E45DACA4704106864D4D58.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus crystallinus Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus crystallinus Y. C. Dai, Chao G. Wang &amp; Yuan Yuan, sp. nov.</p><p>Figs 14, 15</p><p>Etymology.</p><p>Crystallinus (Lat.): refers to the species having hyphoid cystidia with crystals.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by resupinate basidiomata with buff yellow, salmon to clay pink pore surface when dry, angular pores of 6–8 per mm, thin-walled and apically encrusted hyphae at the dissepiment edge, broadly ellipsoid to ovoid and slightly thick-walled basidiospores measuring 4.3–5 × 4–4.5 µm.</p><p>Type.</p><p>CHINA • Yunnan Province, Weixi County, Laojunshan Nature Reserve, on fallen trunk of Picea, 22 September 2011, Cui 10491 (BJFC 011386, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft to ceraceous, and without odor or taste when fresh, becoming brittle upon drying, up to 10 cm long, 6 cm wide, and 3.2 mm thick at the center. Pore surface buff yellow, salmon to clay pink when dry; sterile margin almost absent; pores angular, 6–8 per mm; dissepiments thin, entire to slightly lacerate. Subiculum very thin to almost absent, up to 0.2 mm thick. Tubes concolorous with pore surface, brittle when dry, up to 3 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline to yellowish brown, smooth, IKI -, CB +; tissues unchanged in KOH. Subicular hyphae slightly thick-walled with a wide lumen, unbranched, moderately simple septate, slightly flexuous, loosely interwoven, agglutinated, 4–7 µm in diam. Tramal hyphae slightly thick- to thick-walled with a wide lumen, occasionally branched, frequently simple septate, slightly flexuous, subparallel along the tubes, agglutinated, 3–5 µm in diam.; some thin-walled hyphae at the dissepiment edge bearing crystals at the tips and resembling hyphoid cystidia. Hymenial cystidia absent; cystidioles fusoid, thin-walled, smooth, 12–18 × 4–5 µm; basidia barrel-shaped, with four sterigmata and a simple basal septum, 11–12 × 5.5–6 µm; basidioles of similar shape to basidia, but smaller. Basidiospores broadly ellipsoid to ovoid, hyaline, slightly thick-walled, smooth, sometimes with one medium guttule, IKI -, weakly CB +, (4.2 –) 4.3–5 × 4–4.5 µm, L = 4.75 µm, W = 4.15 µm, Q = 1.13–1.15 (n = 60 / 2).</p><p>Additional specimen examined.</p><p>CHINA • Yunnan Province, Weixi County, Laojunshan Nature Reserve, on fallen trunk of Picea, 22 September 2011, Cui 10475 (BJFC 011370) .</p><p>Notes.</p><p>Meripilus crystallinus is similar and related to M. eminens (Y. C. Dai) Rajchenb. &amp; Westph. by having annual and resupinate basidiomata, the absence of a sterile margin, angular and almost the same size pores (7–8 per mm in M. eminens; 6–8 per mm in M. crystallinus, Dai 1998), and almost the same size as basidiospores (4.2–6 × 3.9–5.2 µm in M. eminens; 4.3–5 × 4–4.5 µm in M. crystallinus, Dai 1998). However, M. eminens has thin- to fairly thick-walled tramal hyphae, and thick-walled and apically encrusted hyphoid cystidia penetrating above the hymenial surface (Dai 1998). Meripilus vitreus (Pers.) Rajchenb. &amp; Westph. is phylogenetically related to M. crystallinus (Fig. 4), but M. vitreus has thick-walled hyphoid cystidia with coarse crystals in most specimens, relatively bigger pores (5–6 per mm vs. 6–8 per mm), and thin-walled basidiospores (5–5.5 × 4–4.5 µm vs. 4.3–5 × 4–4.5 µm, Wang et al. 2024). In addition, there are 20 base pair differences in ITS sequences between these two species, which accounts for a 3 % nucleotide difference in the ITS regions.</p><p>Meripilus crystallinus and M. stillicidiorum (Speg.) Rajchenb. &amp; Westph. share the pinkish buff, buff yellow, salmon to clay pink pore surface, the absence of sterile margin, and almost the same pore size (5–7 per mm in M. stillicidiorum; 6–8 per mm in M. crystallinus, Wang et al. 2024). However, M. stillicidiorum lacks any kind of cystidia, relatively larger basidiospores (5–5.7 × 4–4.8 µm vs. 4.3–5 × 4–4.5 µm, Wang et al. 2024), and so far, is only known from the type locality in Australia. Meripilus revolubilis Westph. &amp; R. M. Silveira and M. robledoi Rajchenb. &amp; Westph. were described with the resupinate basidiomata, white, cream to isabelline pore surface, thick-walled encrusted cystidia, which are similar to M. crystallinus (Westphalen et al. 2025). Phylogenetically, Meripilus crystallinus, M. eminens, M. revolubilis, M. robledoi, and M. vitreus form a distinct joint clade and share similar morphological characters.</p></div>	https://treatment.plazi.org/id/3A6D288443E45DACA4704106864D4D58	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
33FB821205B9540E8804EA882774676E.text	33FB821205B9540E8804EA882774676E.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus emarginatus Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus emarginatus Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 16, 17</p><p>Etymology.</p><p>Emarginatus (Lat.): refers to the basidiomata of species lacking a sterile margin.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by resupinate basidiomata with a white pore surface when fresh, round to angular pores of 6–7 per mm, thick-walled and apically encrusted hyphoid cystidia, thin-walled and smooth hymenial cystidia, subglobose to globose basidiospores measuring 4.8–5.2 × 4.5–5.2 µm.</p><p>Type.</p><p>CHINA • Guangdong Province, Guangzhou, Baiyunshan Forest Park, on rotten angiosperm wood, 18 April 2023, Dai 24682 A (BJFC 042236, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft to ceraceous, and without odor or taste when fresh, becoming fragile upon drying, up to 8 cm long, 5 cm wide, and 0.6 mm thick at the center. Pore surface white when fresh, unchanged after bruising, pinkish buff to clay buff when dry; sterile margin absent; pores round to angular, 6–7 per mm; dissepiments thin, slightly lacerate. Subiculum very thin to almost absent. Tubes concolorous with pore surface, fragile when dry, up to 0.6 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline to pale yellowish, smooth, IKI -, moderately CB +; tissues unchanged in KOH. Tramal hyphae slightly thick-walled with a wide lumen, occasionally branched, frequently simple septate, slightly flexuous, subparallel along the tubes, agglutinated, 4–5 µm in diam. Hyphoid cystidia present, arising from tramal hyphae and completely embedded in trama, not projecting from the hymenium, sometimes projecting from the dissepiment edge, thick-walled with swollen tips, apically encrusted, 6–12 µm in diam. at the apex; hymenial cystidia present, fusoid, thin-walled, smooth, 20–25 × 4.5–5.5 µm; cystidioles fusoid, thin-walled, smooth, 13–14 × 5–6 µm; basidia barrel-shaped to capitate, with four sterigmata and a simple basal septum, 15–17 × 7–8 µm; basidioles mostly pyriform, smaller. Crystals present among the hymenium and tube trama. Basidiospores subglobose to globose, hyaline, thin-walled, smooth, sometimes with one small or large guttule, IKI -, weakly CB +, (4.5 –) 4.8–5.2 (– 5.5) × 4.5–5.2 (– 5.5) µm, L = 5.11 µm, W = 4.90 µm, Q = 1.03–1.05 (n = 90 / 3).</p><p>Additional specimens examined.</p><p>CHINA • Fujian Province, Fuding County, Tailao Mts., on fallen trunk of Cunninghamia, 22 August 2016, Dai 16971 (BJFC 023076) ; • Guangdong Province, Guangzhou, Baiyunshan Forest Park, on rotten angiosperm wood, 18 April 2023, Dai 24683 A (BJFC 042237) , Maofengshan Forest Park, on rotten angiosperm wood, 19 April 2023, Dai 24694 A (BJFC 042248) ; • Xizang Autonomous Region, Linzhi, Motuo County, on dead Miscanthus, 24 October 2023, Dai 26696 (BJFC 044246) .</p><p>Notes.</p><p>Meripilus emarginatus is similar to M. albostygius (Berk. &amp; M. A. Curtis) Westph. &amp; Rajchenb., M. eminens, M. rigidus (Y. C. Dai, Chao G. Wang &amp; Vlasák) Westph. &amp; Rajchenb., M. srilankensis, and M. sulphureus (Y. C. Dai, Yuan Yuan &amp; Chao G. Wang) Westph. &amp; Rajchenb. in micromorphology by the thick-walled hyphoid cystidia and subglobose basidiospores. However, M. albostygius has a red to violet pore surface when fresh, smaller pores (8–10 per mm vs. 6–7 per mm, Wang et al. 2024), and smaller basidiospores (4–4.7 × 3.2–4 µm vs. 4.8–5.2 × 4.5–5.2 µm, Wang et al. 2024), and to date is only known from Central and South America; M. eminens also has ceraceous basidiomata with a white pore surface when fresh, almost the same size angular pores (7–8 per mm vs. 6–7 per mm, Dai 1998) and basidiospores (4.2–6 × 3.9–5.2 µm vs. 4.8–5.2 × 4.5–5.2 µm, Dai 1998), but, it differs from M. emarginatus by the absence of thin-walled and smooth hymenial cystidia; M. rigidus differs from M. emarginatus by a brown-red pore surface when fresh, smaller pores (10–12 per mm vs. 6–7 per mm, Wang et al. 2024), smaller basidiospores (4–4.6 × 3.2–4 µm vs. 4.8–5.2 × 4.5–5.2 µm, Wang et al. 2024), and, to date, is only known from Central America; M. srilankensis is distinguished from M. emarginatus by distinctly thick-walled and wider tramal hyphae (3.8–8 µm in diam. vs. 4–5 µm in diam., Wang et al. 2024) and the absence of hymenial cystidia; M. sulphureus differs from M. emarginatus by a sulphur yellow pore surface when fresh and relatively smaller basidiospores (4–5 × 3.5–4 µm vs. 4.8–5.2 × 4.5–5.2 µm, Dai and Dai 2018). In macro-morphology, Meripilus emarginatus has an unchanged pore surface.</p><p>Phylogenetically, Meripilus emarginatus forms an independent lineage nested in the Meripilus clade (100 % ML, 1.00 BPP, Figs 3, 4). However, it grouped with M. dollingerii (Y. C. Dai, Chao G. Wang &amp; Vlasák) Westph. &amp; Rajchenb. and M. malayanus in a joint subclade (90 % ML, 1.00 BPP, Fig. 4). Although Meripilus dollingerii and M. emarginus share thin-walled smooth hymenial cystidia and almost the same size as basidiospores (4.5–5.5 × 4–5 µm in M. dollingerii, 4.8–5.2 × 4.5–5.2 µm in M. emarginatus, Wang et al. 2024), M. dollingerii has a pinkish to red pore surface when fresh and thin-walled apically encrusted hyphoid cystidia. Meripilus malayanus also has thick-walled and apically encrusted hyphoid cystidia, but it differs from M. emarginatus by hard corky basidiomata when dry, a grayish brown pore surface, and the presence of a sterile margin.</p></div>	https://treatment.plazi.org/id/33FB821205B9540E8804EA882774676E	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
0E46294CCE88503B8EFF74A1BE7EE39D.text	0E46294CCE88503B8EFF74A1BE7EE39D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus expallescens (P. Karst.) Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus expallescens (P. Karst.) Y. C. Dai, Chao G. Wang &amp; Yuan Yuan comb. nov.</p><p>≡ Physisporinus expallescens (P. Karst.) Pilát, in Kavina &amp; Pilát, Atlas Champ. l’Europe, III, Polyporaceae (Praha) 1: 250 (1938).</p><p>Basionym.</p><p>Caloporus expallescens P. Karst., Meddn Soc. Fauna Flora fenn. 9: 110 (1883).</p></div>	https://treatment.plazi.org/id/0E46294CCE88503B8EFF74A1BE7EE39D	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
F940BC4AFEA25E839DF475966749C72E.text	F940BC4AFEA25E839DF475966749C72E.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus malayanus Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus malayanus Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 18, 19</p><p>Etymology.</p><p>Malayanus (Lat.): refers to the species being found in Malaysia.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by resupinate nodulose basidiomata with a honey buff to grayish brown pore surface when dry, angular and sometimes elongated pores of 7–8 per mm, thick-walled and apically encrusted hyphoid cystidia, subglobose basidiospores measuring 5–5.5 × 4.5–5 µm.</p><p>Type.</p><p>MALAYSIA • Selangor, Taman Botani Negara Shah Alam, on fallen angiosperm trunk, 12 April 2018, Dai 18529 (BJFC 026818, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, nodulose, soft corky, and without odor or taste when fresh, becoming hard corky upon drying, up to 15 cm long, 6 cm wide, and 0.8 mm thick at the center. Pore surface white to cream when fresh, unchanged after bruising, honey buff to grayish brown when dry; sterile margin thinning out, grayish brown when dry; pores angular, sometimes elongated, 7–8 per mm; dissepiments thin, slightly lacerate. Subiculum pinkish buff, corky, up to 0.3 mm thick. Tubes concolorous with pore surface, hard corky when dry, up to 0.5 mm long. Hyphal system monomitic; generative hyphae simple septate, smooth, IKI -, CB +; tissues becoming reddish brown in KOH. Subicular hyphae distinctly thick-walled with a wide lumen, rarely branched and simple septate, more or less flexuous, interwoven, 5–8 µm in diam. Tramal hyphae slightly thick-walled with a wide lumen, occasionally branched, moderately simple septate, straight, subparallel along the tubes, agglutinated, 3.5–4.8 µm in diam. Hyphoid cystidia present, arising from tramal hyphae and completely embedded in trama, not projecting from the hymenium or dissepiment edge, thick-walled with swollen tips, apically encrusted, 7–9 µm in diam. at the apex. Hymenial cystidia absent; cystidioles fusoid, thin-walled, smooth, 14–17 × 4–5 µm; basidia barrel-shaped to capitate, with four sterigmata and a simple basal septum, 14–17 × 7–8 µm; basidioles of similar shape to basidia, but smaller. Basidiospores subglobose, hyaline, thin-walled, smooth, with one medium or small guttule, IKI -, CB -, 5–5.5 (– 6) × (4.2 –) 4.5–5 (– 5.5) µm, L = 5.20 µm, W = 4.68 µm, Q = 1.11 (n = 30 / 1).</p><p>Notes.</p><p>Meripilus malayanus is similar to M. rigidus in morphology by having resupinate and hard corky to rigid basidiomata with a honey buff to grayish brown or deep olive pore surface when dry, distinctly thick-walled subicular hyphae, and thick-walled and apically encrusted hyphoid cystidia.</p><p>However, the latter has round and smaller pores (10–12 per mm vs. 7–8 per mm, Wang et al. 2024), smaller basidiospores (4–4.6 × 3.2–4 µm vs. 5–5.5 × 4.5–5 µm, Wang et al. 2024), and so far, it is only known from the type locality in Central America.</p><p>In the phylogenetic analyses, Meripilus malayanus is closely related to M. dollingerii, but M. dollingerii has thin-walled and apically encrusted hyphoid cystidia and thin-walled smooth hymenial cystidia (Wang et al. 2024).</p><p>Rigidoporus adnatus Corner and Polyporus pellicula Jungh. occur in Southeast Asia and have resupinate basidiomata. However, Rigidoporus adnatus has smaller basidiospores (2.5–3.2 × 1.7–2 µm vs. 5–5.5 × 4.5–5 µm, Corner 1987), and Polyporus pellicula has larger pores (1-3 per mm vs. 7–8 per mm, Teixeira 1992).</p></div>	https://treatment.plazi.org/id/F940BC4AFEA25E839DF475966749C72E	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
32D6349281C15D4AA7AE1EA7E8B9DA73.text	32D6349281C15D4AA7AE1EA7E8B9DA73.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus niveomarginatus Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus niveomarginatus Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 20, 21</p><p>Etymology.</p><p>Niveomarginatus (Lat.): refers to the species having a white sterile margin when fresh.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by resupinate basidiomata with orange-yellow to peach when fresh, white sterile margin when fresh, angular to irregular pores of 6–8 per mm, thick-walled and apically encrusted hyphoid cystidia, broadly ellipsoid basidiospores measuring 4.2–5.2 × 4–4.6 µm.</p><p>Type.</p><p>CHINA • Guangdong Province, Zhaoqing, Dinghushan Nature Reserve, on rotten wood of Pinus massoniana, 28 April 2018, Dai 18540 A (BJFC 027008, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft corky, and without odor or taste when fresh, becoming hard corky to somewhat rigid upon drying, up to 15 cm long, 6 cm wide, and 4 mm thick at center. Pore surface brownish vinaceous, orange-yellow to peach when fresh, becoming reddish brown after bruising, pinkish buff, vinaceous gray, dark brown to black when dry; sterile margin distinct, thinning out, white when fresh, cream to olivaceous buff when dry, up to 2 mm wide; pores angular to irregular, 6–8 per mm; dissepiments thin, slightly lacerate. Subiculum cream, corky, up to 1 mm thick. Tubes paler than pore surface, cinnamon buff, hard corky when dry, up to 3 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, smooth, IKI -, CB +; tissues becoming dark brown in KOH. Subicular hyphae distinctly thick-walled with a wide lumen, rarely branched and simple septate, more or less flexuous, interwoven, 4–8 µm in diam. Tramal hyphae distinctly thick-walled with a wide lumen, occasionally branched, moderately simple septate, slightly flexuous, subparallel along the tubes, agglutinated, 4–6 µm in diam. Hyphoid cystidia present, arising from tramal hyphae and completely embedded in trama, not projecting from the hymenium, sometimes projecting from the dissepiment edge, thick-walled with swollen tips, apically encrusted, 10–15 µm in diam. at the apex. Hymenial cystidia absent; cystidioles fusoid, thin-walled, smooth, 13–14 × 4–5 µm; basidia barrel-shaped to capitate, with four sterigmata and a simple basal septum, 14–17 × 7–9 µm; basidioles of similar shape to basidia, but smaller. Basidiospores broadly ellipsoid, hyaline, thin-walled, smooth, with one medium or small guttule, IKI -, weakly CB +, (4 –) 4.2–5.2 (– 5.5) × (3.8 –) 4–4.6 (– 4.8) µm, L = 4.78 µm, W = 4.16 µm, Q = 1.13–1.17 (n = 90 / 3).</p><p>Additional specimens examined.</p><p>CHINA • Fujian Province, Quanzhou, Qingyuanshan, on fallen trunk of Pinus massoniana, 23 September 2017, Dai 18268 (BJFC 025793) ; • Hainan Province, Baisha County, Yinggeling Nature Reserve, on rotten wood of Pinus latteri, 10 June 2017, Dai 17695 (BJFC 025227) ; • Zhejiang Province, Wuyi County, on rotten wood of Pinus massoniana, 13 October 2023, Dai 26373 (BJFC 043923) .</p><p>Notes.</p><p>Meripilus niveomarginatus is similar and related to M. rigidus by the resupinate and rigid basidiomata with a pinkish buff to vinaceous gray or dark brown pore surface when dry, distinctly thick-walled generative hyphae, and thick-walled and apically encrusted hyphoid cystidia. However, the latter has round and smaller pores (10–12 per mm vs. 6–8 per mm, Wang et al. 2024), relatively smaller basidiospores (4–4.6 × 3.2–4 µm vs. 4.2–5.2 × 4–4.6 µm, Wang et al. 2024), and so far, it is only known from Central and South America. Similarly, Meripilus albostygius and M. sulphureus also have rigid basidiomata and thick-walled and apically encrusted hyphoid, but M. albostygius has smaller basidiospores (4–4.7 × 3.2–4 µm vs. 4.2–5.2 × 4–4.6 µm, Wang et al. 2024) and, to date, only occurs in Central America; M. sulphureus has a sulphurous pore surface when fresh and narrower basidiospores (4–5 × 3.5–4 µm vs. 4.2–5.2 × 4–4.6 µm, Dai and Dai 2018). Meripilus roseus (Jia J. Chen &amp; Y. C. Dai) Westph. &amp; Rajchenb. and M. niveomarginatus share a rose or brownish vinaceous pore surface when fresh. However, the former has an almost lacking sterile margin and smaller basidiospores (3.5–4.1 × 3.1–3.8 µm vs. 4.2–5.2 × 4–4.6 µm, Chen and Dai 2021).</p><p>Poria endoxantha Petch was originally described from Sri Lanka, and it is characterized by a rose-pink to salmon-pink pore surface when fresh, becoming brown or blackish brown upon bruising, thick-walled hyphoid cystidia embedded in trama, globose basidiospores of 5–7 µm in diam., and growth on angiosperm wood in the tropics (Petch 1922; Lowe 1966). Meripilus niveomarginatus is similar to Poria endoxantha in morphology, but the latter has pale yellowish-brown subicular hyphae that are obviously wider than tramal hyphae, while M. niveomarginatus has almost uniform hyphae in subiculum and trama. In addition, Poria endoxantha has bigger basidiospores (5–7 µm vs. 4.2–5.2 × 4–4.6 µm, Lowe 1966) and growth on angiosperm wood in the tropics, differing from M. niveomarginatus .</p></div>	https://treatment.plazi.org/id/32D6349281C15D4AA7AE1EA7E8B9DA73	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
C84EB0FB54ED53C8B783DF262DA31764.text	C84EB0FB54ED53C8B783DF262DA31764.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus noncontusus Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus noncontusus Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 22, 23</p><p>Etymology.</p><p>Noncontusus (Lat.): refers to the species having pores without color changing when bruised.</p><p>Diagnosis.</p><p>Differs from other Meripilus species by resupinate basidiomata with a white pore surface when fresh, the absence of sterile margin, angular pores of 5–6 per mm, slightly thick-walled and apically encrusted hyphoid cystidia at the dissepiment edge, broadly ellipsoid to subglobose basidiospores measuring 5–5.5 × 4.2–4.7 µm.</p><p>Type.</p><p>CHINA • Guangdong Province, Guangzhou, Baiyunshan Forest Park, on fallen angiosperm trunk, 20 April 2023, Dai 24718 (BJFC 042272, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft to ceraceous, and without odor or taste when fresh, becoming fragile upon drying, usually in small patches up to 2 cm long, 1 cm wide, and 0.7 mm thick at the center. Pore surface white to pinkish buff when fresh, unchanged after bruising, pinkish buff to buff yellow when dry; sterile margin absent; pores angular, 5–6 per mm; dissepiments thin, slightly lacerate. Subiculum pinkish buff, fragile, up to 0.2 mm thick. Tubes concolorous with pore surface, fragile when dry, up to 0.5 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, smooth, IKI -, CB +; tissues unchanged in KOH. Subicular hyphae slightly thick-walled with a wide lumen, rarely branched, frequently simple septate, slightly flexuous, loosely interwoven, agglutinated, 5–8 µm in diam. Tramal hyphae slightly thick-walled with a wide lumen, occasionally branched, slightly flexuous, subparallel along the tubes, agglutinated, 3–6 µm in diam.; some slightly thick-walled hyphae at the dissepiment edge bearing crystals at tips and resembling hyphoid cystidia. Hymenial cystidia absent; cystidioles fusoid, thin-walled, smooth, 11–12 × 5.5–6 µm; basidia barrel-shaped to capitate, with four sterigmata and a simple basal septum, 12–14 × 6.5–8 µm; basidioles of similar shape to basidia, but smaller. Basidiospores broadly ellipsoid to subglobose, hyaline, thin-walled, smooth, with one medium guttule, IKI -, CB -, (4.8 –) 5–5.5 (– 5.6) × (4 –) 4.2–4.7 (– 4.8) µm, L = 5.13 µm, W = 4.45 µm, Q = 1.15 (n = 30 / 1).</p><p>Notes.</p><p>In our phylogenetic analyses, Meripilus noncontusus is closely related to the erubescent species complex of Meripilus, viz., M. furcatus (Núñez &amp; Ryvarden) Westph. &amp; Rajchenb., M. rhododendri (Y. C. Dai, Yuan Yuan &amp; Chao G. Wang) Westph. &amp; Rajchenb., M. sanguinolentus (Alb. &amp; Schwein.) Rajchenb. &amp; Westph., M. subfurcatus (Y. C. Dai, Yuan Yuan &amp; Chao G. Wang) Westph. &amp; Rajchenb. and M. yunnanensis (C. L. Zhao) Westph. &amp; Rajchenb., and these species nested in a joint subclade (Fig. 2). They all have a white pore surface when fresh, but the first three species have an erubescent pore surface when bruised. Meripilus furcatus differs from M. noncontusus by thin-walled and forked hymenial cystidia; M. yunnanensis also has thin-walled hyphoid cystidia at the dissepiment edge, but it has bigger pores (2–3 per mm vs. 5–6 per mm, Cai et al. 2023).</p><p>Morphologically, Meripilus emarginatus is similar to M. noncontusus, sharing ceraceous white basidiomata without color change after being bruised and almost the same size of angular pores (6–7 per mm in M. emarginatus, 5–6 per mm in M. noncontusus, this study). However, M. emarginatus has thin-walled smooth hymenial cystidia and distinctly thick-walled hyphoid cystidia bearing coarse crystals.</p></div>	https://treatment.plazi.org/id/C84EB0FB54ED53C8B783DF262DA31764	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
D908007282885FE2B009D87ACB9619E5.text	D908007282885FE2B009D87ACB9619E5.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus P. Karst.	<div><p>Meripilus P. Karst., Bidr. Känn. Finl. Nat. Folk 37: 33 (1882)</p><p>Type species.</p><p>Meripilus giganteus (Pers.) P. Karst., Bidr. Känn. Finl. Nat. Folk 37: 33 (1882). For a detailed description of this genus, see Wang et al. (2024) and Westphalen et al. (2025).</p></div>	https://treatment.plazi.org/id/D908007282885FE2B009D87ACB9619E5	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
0E073E159DA257218AA23FD2E41048C0.text	0E073E159DA257218AA23FD2E41048C0.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus resinosus (Ipulet & Ryvarden) Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus resinosus (Ipulet &amp; Ryvarden) Y. C. Dai, Chao G. Wang &amp; Yuan Yuan comb. nov.</p><p>Basionym.</p><p>Physisporinus resinosus Ipulet &amp; Ryvarden, Syn. Fung. (Oslo) 20: 97 (2005).</p></div>	https://treatment.plazi.org/id/0E073E159DA257218AA23FD2E41048C0	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
7792CE90BA2A57EEABD5210273E58AD6.text	7792CE90BA2A57EEABD5210273E58AD6.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meripilus vinctus (Berk.) Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meripilus vinctus (Berk.) Y. C. Dai, Chao G. Wang &amp; Yuan Yuan comb. nov.</p><p>≡ Physisporinus vinctus (Berk.) Murrill, Mycologia 34 (5): 595 (1942)</p><p>Basionym.</p><p>Polyporus vinctus Berk., Ann. Mag. nat. Hist., Ser. 2 9: 196 (1852)</p></div>	https://treatment.plazi.org/id/7792CE90BA2A57EEABD5210273E58AD6	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
9453B8E62900581AB5381ACC9797869D.text	9453B8E62900581AB5381ACC9797869D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meruliopsis Bondartsev 1959	<div><p>Meruliopsis Bondartsev, in Parmasto, Izv. Akad. Nauk Estonsk. SSR, Ser. Bio l. 8: 274 (1959).</p><p>Type species.</p><p>Meruliopsis taxicola (Pers.) Bondartsev, in Parmasto, Eesti NSV Tead. Akad. Toim., Biol. seer 8 (4): 274 (1959).</p><p>Description.</p><p>For a detailed description of this genus, see Wang et al. (2023).</p></div>	https://treatment.plazi.org/id/9453B8E62900581AB5381ACC9797869D	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
9D57F82EFF1C5BAEAFD6C31C7A93981A.text	9D57F82EFF1C5BAEAFD6C31C7A93981A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Meruliopsis rhizomorpha Y. C. Dai, Chao G. Wang & Yuan Yuan 2025	<div><p>Meruliopsis rhizomorpha Y. C. Dai, Chao G. Wang &amp; Yuan Yuan sp. nov.</p><p>Figs 10, 11</p><p>Etymology.</p><p>Rhizomorpha (Lat.): refers to the species having rose-colored rhizomorphs when fresh.</p><p>Diagnosis.</p><p>Differs from other Meruliopsis species by resupinate basidiomata with a white pore surface when fresh, rose-colored rhizomorphs, round to angular pores of 2–4 per mm, subicular hyphae distinctly wider than tramal hyphae, smooth hymenial cystidia, ellipsoid to broadly ellipsoid basidiospores measuring 3.8–4.2 × 2.3–2.7 µm.</p><p>Type.</p><p>CHINA • Hunan Province, Changsha, Yuelushan Forest Park, on fallen angiosperm branch, 18 April 2023, Dai 24733 (BJFC 042287, holotype) .</p><p>Description.</p><p>Basidiomata annual, resupinate, soft, without odor or taste when fresh, soft when dry, up to 15 cm long, 6 cm wide, and 0.2 mm thick at the center. Pore surface white when fresh, becoming white to cream upon drying; sterile margin white when fresh and dry, up to 2 mm wide, and with rose-colored rhizomorphs when fresh; pores round to angular, 2–4 per mm; dissepiments thin to slightly thick, entire to slightly lacerate. Subiculum white, soft when dry, up to 0.1 mm thick. Tubes concolorous with pore surface, soft when dry, up to 0.1 mm long. Hyphal system monomitic; generative hyphae simple septate, hyaline, IKI -, weakly CB +; tissues unchanged in KOH. Subicular hyphae slightly thick-walled with a wide lumen, sometimes encrusted with fine crystals, frequently branched at more or less a right angle, straight to more or less flexuous, interwoven, 4–7 µm in diam. Tramal hyphae thin-walled with a wide lumen, frequently branched, straight to slightly flexuous, subparallel along the tubes, agglutinated, 2.5–3 µm in diam. Hymenial cystidia present, clavate, thin-walled, smooth, 30–46 × 5–5.5 µm; cystidioles absent. Basidia mostly clavate, sometimes constricted at middle, with four sterigmata and a simple basal septum, 16–27 × 5–6 µm; basidioles of similar shape to basidia, but smaller. Large stellate crystal agglomerations present among the tube trama. Basidiospores ellipsoid to broadly ellipsoid, hyaline, thin-walled, smooth, IKI -, CB -, (3.6 –) 3.8–4.2 (– 4.6) × (2 –) 2.3–2.7 (– 2.9) µm, L = 3.95 µm, W = 2.53 µm, Q = 1.55–1.59 (n = 90 / 3).</p><p>Additional specimens examined.</p><p>CHINA • Guizhou Province, Guiyang, Qianlingshan Park, fallen branch of Pinus massoniana, 21 August 2023, Dai 25816 (BJFC 043365), Dai 25742 (BJFC 043291) .</p><p>Notes.</p><p>Meruliopsis rhizomorpha is similar and closely related to M. leptocystidiata C. C. Chen &amp; Sheng H. Wu by the white to cream pore surface, encrusted subicular hyphae, and smooth hymenial cystidia. However, the latter has smaller pores (4–5 per mm vs. 2–4 per mm, Chen et al. 2020) and narrower basidiospores (3–4 × 1.5–2 µm vs. 3.8–4.2 × 2.3–2.7 µm, Chen et al. 2020).</p><p>Meruliopsis faginea Volobuev &amp; Ismailov also has almost the same size pores as M. rhizomorpha (3–4 per mm in M. faginea, 2–4 per mm in M. rhizomorpha, Crous et al. 2021) and long hymenial cystidia, but it differs from M. rhizomorpha by lacking rhizomorphs, having a pale grayish brown pore surface with light pinkish brown tints when fresh, a cottony to fimbriate sterile margin, and slimmer suballantoid to ellipsoid basidiospores (4–4.9 × 2–2.3 µm vs. 3.8–4.2 × 2.3–2.7 µm, Crous et al. 2021).</p><p>In Wang et al. (2023), the sequences of three species, M. ambigua (Berk.) Ginns, M. bella (Berk. &amp; M. A. Curtis) Ginns, and M. miniata (Wakef.) Ginns are unavailable. However, M. ambigua has effused-reflexed basidiomata and a dark purple to violet-brown pore surface (Ginns 1976), which differs from M. rhizomorpha . Though M. bella and M. miniata both have resupinate basidiomata and almost the same pore sizes (2–4 per mm in M. bella, 2–3 per mm in M. miniata, Ginns 1971; Ginns 1976), the rose-colored rhizomorphs are absent.</p></div>	https://treatment.plazi.org/id/9D57F82EFF1C5BAEAFD6C31C7A93981A	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.		Plazi	Wang, Chao-Ge;Wu, Ying-Da;Zhang, Xin;Dai, Yu-Cheng;Li, Zhen-Hao;Yuan, Yuan	Wang, Chao-Ge, Wu, Ying-Da, Zhang, Xin, Dai, Yu-Cheng, Li, Zhen-Hao, Yuan, Yuan (2025): Studies in phylogeny and divergence times of Irpicaceae and Meripilaceae (Polyporales, Basidiomycota), with an emphasis on Ceriporia and Meripilus including ten new species. IMA Fungus 16: e 161336, DOI: 10.3897/imafungus.16.161336
