taxonID	type	description	language	source
CA5103506E115023AEC8054B770EC90E.taxon	description	Figs 2, 3	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
CA5103506E115023AEC8054B770EC90E.taxon	diagnosis	Diagnosis. Fomitiporia robustiformis is closely related to F. texana (Murrill) Nuss and F. deserticola Vlasák, but F. texana differs from F. robustiformis by the presence of hymenial setae and cystidioles, larger basidiospores (7 – 9 × 6.5 – 9 µm vs. 5 – 6.4 × 4.7 – 6.1 µm). F. deserticola is distinguished from F. robustiformis by the presence of abundant cystidioles and larger basidiospores (6 – 7.5 × 5.5 – 7 µm vs. 5 – 6.4 × 4.7 – 6.1 µm).	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
CA5103506E115023AEC8054B770EC90E.taxon	etymology	Etymology. Robustiformis (Lat.) refers to a new species characterized by robust basidiomata.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
CA5103506E115023AEC8054B770EC90E.taxon	description	Description. Basidiomata perennial, pileate, inseparable, sessile, without distinctive odor or taste when fresh, woody hard in consistency, light in weight when dry; pilei ungulate, fan-shaped, projecting up to 5 cm, 5 cm wide, and 3 cm thick at base; pileal surface brown, sometimes greenish from algae, glabrous; margin broad and rounded. Pore surface pale mouse-gray when fresh, becoming yellowish brown when dry, not glossy; sterile margin brown, up to 1 mm wide; pores circular to angular, 6 – 7 per mm; dissepiments thin, entire. Context yellow-brown, woody hard, up to 7 mm thick; tubes pale gray to yellow-brown, paler than pore surface, woody hard, up to 2 cm long, annual layers indistinct. Hyphal structure. Hyphal system dimitic, generative hyphae simple septate; all hyphae IKI -, CB -; tissue becoming dark brown in KOH. Context. Generative hyphae frequent, pale yellow, slightly thick-walled, rarely branched, frequently septate, 3 – 3.5 µm in diam; skeletal hyphae dominant, yellowish brown, thick-walled, unbranched, more or less flexuous, interwoven, 3 – 4.5 µm in diam. Tubes. Generative hyphae pale yellowish, slightly thick-walled, rarely branched, frequently septate, 3 – 3.5 µm in diam; skeletal hyphae dominant, yellowish, thick-walled, unbranched, more or less straight, parallel along the tubes, 3 – 4.5 µm in diam. Hymenial setae absent; cystidioles present, fusoid, hyaline, thin-walled, 14 – 18 × 2.5 – 3.5 μm; basidia clavate, with four sterigmata and a simple septum at the base, 10 – 18 × 6 – 7.5 µm; basidioles dominant in hymenium, in shape similar to basidia, but slightly smaller. Basidiospores globose, hyaline, thick-walled, smooth, some with a guttule, IKI [+], CB +, (4.4 -) 5 – 6.4 (- 7.1) × (4.4 -) 4.7 – 6.1 (- 6.9) µm, L = 5.66 µm, W = 5.39 µm, Q = 1.05 (n = 30 / 1). Type of rot. White rot.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
4041AC3B32B8545CA16591DC7610192A.taxon	description	Figs 4, 5	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
4041AC3B32B8545CA16591DC7610192A.taxon	diagnosis	Diagnosis. Fomitiporia roseo-bubalina is related to F. ovoidospora Y. C. Dai & F. Wu, but F. ovoidospora differs from F. roseo-bubalina by perennial basidiocarps, the presence of fusoid cystidioles, smaller pores (9 – 10 per mm vs. 4 – 5 per mm), and smaller basidiospores (4.7 – 5.5 × 3.8 – 5 µm vs. 5.3 – 6.7 × 5 – 6.2 µm).	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
4041AC3B32B8545CA16591DC7610192A.taxon	etymology	Etymology. Roseo-bubalina (Lat.) refers to the new species characterized by pink-buff pores when dry.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
4041AC3B32B8545CA16591DC7610192A.taxon	description	Description. Basidiomata annual to perennial, resupinate to pileate, inseparable, growing around bark fissures at the base of living trees in shelf-like, vertical assemblages of triquetrous pilei, without distinctive odor or taste when fresh, woody hard in consistency; pilei slightly ungulate, projecting up to 2.5 cm, 3 cm wide, and 0.5 cm thick at base; pileal surface grayish, glabrous; margin blunt. Pore surface pink buff when dry, glossy; sterile margin cream, up to 1 mm wide; pores circular to angular, 4 – 5 per mm; dissepiments thin, entire. Context very thin; tubes yellowish brown, paler than pore surface, woody hard, up to 2 mm long, annual layers indistinct. Hyphal structure. Hyphal system dimitic, generative hyphae simple septate; all hyphae IKI -, CB -; tissue becoming dark brown in KOH. Tubes. Generative hyphae pale yellowish, slightly thick-walled, rarely branched, frequently septate, 2.5 – 3.5 µm in diam; skeletal hyphae dominant, yellowish, thick-walled, unbranched, more or less straight, parallel along the tubes, 3.5 – 4.8 µm in diam. Hymenial setae absent; cystidia and cystidioles absent; basidia subglobose to clavate, with four sterigmata and a simple septum at the base, 10 – 18 × 6 – 9 µm; basidioles dominant in hymenium, in shape similar to basidia, but slightly smaller. Basidiospores globose, hyaline, thick-walled, smooth, IKI [+], CB +, (5 -) 5.3 – 6.7 (- 7.4) × (4.9 -) 5 – 6.2 (- 6.6) µm, L = 6.01 µm, W = 5.60 µm, Q = 1.07 (n = 30 / 1). Type of rot. White rot.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
44F2B9A573C75C2B87499C5B57472833.taxon	description	Figs 6, 7	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
44F2B9A573C75C2B87499C5B57472833.taxon	diagnosis	Diagnosis. Fomitiporia triqueter is closely related to F. baccharidis and F. tabaquilio (Urcelay, Robledo & Rajchenb.) Decock & Robledo, and they all occur in South America. However, the latter two species differ from F. triqueter in having larger basidiospores (5.5 – 6.5 × 4.8 – 5.8 μm in F. baccharidis, 6 – 7.5 × 8 – 6.5 μm in F. tabaquilio, vs. 3.4 – 5.5 × 3.2 – 5.4 μm in F. triqueter).	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
44F2B9A573C75C2B87499C5B57472833.taxon	etymology	Etymology. Triqueter (Lat.) refers to the new species characterized by triqueter basidiomata in section.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
44F2B9A573C75C2B87499C5B57472833.taxon	description	Description. Basidiomata biennial to perennial, but evidently short-living, pileate, without distinctive odor or taste when fresh, woody hard in consistency; pilei ungulate, triquetrous in section, projecting up to 4 cm, 2.5 cm wide, and 2 cm thick at base; pileal surface grayish dark, concentrically sulcate, glabrous, soon cracked and blackish with age; margin sharp; pore surface yellowish brown when fresh, becoming brown when dry; sterile margin yellowish brown, up to 100 µm wide; pores circular, 9 – 10 per mm; dissepiments slightly thick, entire. Context yellowish brown, woody hard, up to 2 mm thick; tubes yellowish brown, paler than pore surface, woody hard, up to 2 cm long, annual layers indistinct. Hyphal structure. Hyphal system dimitic, generative hyphae simple septate; all hyphae IKI -, CB -; tissue becoming dark brown in KOH. Context. Generative hyphae frequent, pale yellow, slightly thick-walled, occasionally branched, frequently septate, 2.5 – 3 µm in diam; skeletal hyphae dominant, yellowish brown, thick-walled, unbranched, more or less flexuous, interwoven, 3 – 4 µm in diam. Tubes. Generative hyphae golden, slightly thick-walled, occasionally branched, frequently septate, 2.5 – 3.5 µm in diam; skeletal hyphae dominant, yellowish, thick-walled with a medium lumen, unbranched, more or less straight, parallel along the tubes, 3 – 4.5 µm in diam. Hymenial setae absent; cystidia and cystidioles absent; basidia subglobose to capitate, with four sterigmata and a simple septum at the base, 13 – 18 × 7 – 11 µm; basidioles dominant in hymenium, in shape similar to basidia, but slightly smaller; large rhomboid crystals present in the hymenium. Basidiospores globose, hyaline, thick-walled, smooth, IKI [+], slightly CB +, (3.1 -) 3.4 – 5.5 (- 5.7) × (2.9 -) 3.2 – 5.4 (- 5.8) µm, L = 4.57 µm, W = 4.39 µm, Q = 1.04 – 1.05 (n = 60 / 2). Type of rot. White rot in the bark; no signs of wood rot under the infested bark.	en	Chen, Jian, Vlasák, Josef, Luo, Kai-Yue, Yuan, Yuan (2025): Three new species of Fomitiporia (Hymenochaetales, Basidiomycota) from tropical dry forests in Ecuador and Peru. MycoKeys 118: 267-287, DOI: 10.3897/mycokeys.118.154175
