taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
64C4FB6C4AAE5F90AC512BD638862F2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731789	https://doi.org/10.3897/imafungus.17.195850.figure2	Figure 2. Hygrocybe citrinonigrescens, fresh basidiomata. A – C JBSD 141871, holotype; D – E ANGE 817; F ANGE 826. Photos by C. Angelini.	Figure 2. Hygrocybe citrinonigrescens, fresh basidiomata. A – C JBSD 141871, holotype; D – E ANGE 817; F ANGE 826. Photos by C. Angelini.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
64C4FB6C4AAE5F90AC512BD638862F2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731790	https://doi.org/10.3897/imafungus.17.195850.figure3	Figure 3. Hygrocybe citrinonigrescens, microscopic features. A Pileipellis; B subcutis; C basidia filled with brown necropigment (necrobasidia); D basidia (some mature, others collapsed and necropigmented); E basidium and basidiola; F – H basidiospores. (A, D, F) JBSD 141871, holotype; (B – C, E, G) ANGE 817; (H) ANGE 826. A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 3. Hygrocybe citrinonigrescens, microscopic features. A Pileipellis; B subcutis; C basidia filled with brown necropigment (necrobasidia); D basidia (some mature, others collapsed and necropigmented); E basidium and basidiola; F – H basidiospores. (A, D, F) JBSD 141871, holotype; (B – C, E, G) ANGE 817; (H) ANGE 826. A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
64C4FB6C4AAE5F90AC512BD638862F2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731791	https://doi.org/10.3897/imafungus.17.195850.figure4	Figure 4. Hygrocybe citrinonigrescens, microscopic features. A Lamellar edge with pseudocystidia (ANGE 817); B – D caulocystidia present in the apical portion of the stipe (ANGE 817, JBSD 141871, holotype, ANGE 826); E elements of the hymenophoral trama (ANGE 817); F stipitipellis from the mid-stipe, showing caulocystidia (ANGE 817); G subcutis (ANGE 826); H stipititrama (ANGE 817). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 4. Hygrocybe citrinonigrescens, microscopic features. A Lamellar edge with pseudocystidia (ANGE 817); B – D caulocystidia present in the apical portion of the stipe (ANGE 817, JBSD 141871, holotype, ANGE 826); E elements of the hymenophoral trama (ANGE 817); F stipitipellis from the mid-stipe, showing caulocystidia (ANGE 817); G subcutis (ANGE 826); H stipititrama (ANGE 817). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
64C4FB6C4AAE5F90AC512BD638862F2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731788	https://doi.org/10.3897/imafungus.17.195850.figure1	Figure 1. Phylogenetic tree generated by maximum likelihood analysis using the concatenated nrITS and nrLSU sequences of the genus Hygrocybe subgenus Hygrocybe. Hygroaster albellus and H. nodulisporus were used as outgroup taxa. Values above or below the branches indicate SH-aLRT support ≥ 80 % / UFB ≥ 95 % / BPP ≥ 0.95. Newly generated sequences are highlighted in bold. D. C. = Dominican Republic.	Figure 1. Phylogenetic tree generated by maximum likelihood analysis using the concatenated nrITS and nrLSU sequences of the genus Hygrocybe subgenus Hygrocybe. Hygroaster albellus and H. nodulisporus were used as outgroup taxa. Values above or below the branches indicate SH-aLRT support ≥ 80 % / UFB ≥ 95 % / BPP ≥ 0.95. Newly generated sequences are highlighted in bold. D. C. = Dominican Republic.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
CBC59BC3165E590BA8F3B425A42B55E0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731792	https://doi.org/10.3897/imafungus.17.195850.figure5	Figure 5. Hygrocybe jarabacoensis. A – C Fresh basidiomata (ANGE 888, JBSD 141872, holotype, ANGE 1940); D – E pileipellis (JBSD 141872, holotype, ANGE 1940); F elements of the hymenophoral trama (JBSD 141872, holotype); G – H microbasidia (JBSD 141872, holotype, ANGE 1940); I macrobasidia and microbasidia (JBSD 141872, holotype); J macrobasidia with macrospores and a microbasidium (ANGE 1940). D – E, G – J in ammoniacal Congo red; F in phloxine. Photos by C. Angelini (A – C) and M. Marchetti (D – J). Scale bars: 10 μm.	Figure 5. Hygrocybe jarabacoensis. A – C Fresh basidiomata (ANGE 888, JBSD 141872, holotype, ANGE 1940); D – E pileipellis (JBSD 141872, holotype, ANGE 1940); F elements of the hymenophoral trama (JBSD 141872, holotype); G – H microbasidia (JBSD 141872, holotype, ANGE 1940); I macrobasidia and microbasidia (JBSD 141872, holotype); J macrobasidia with macrospores and a microbasidium (ANGE 1940). D – E, G – J in ammoniacal Congo red; F in phloxine. Photos by C. Angelini (A – C) and M. Marchetti (D – J). Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
CBC59BC3165E590BA8F3B425A42B55E0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731793	https://doi.org/10.3897/imafungus.17.195850.figure6	Figure 6. Hygrocybe jarabacoensis, microscopic features. A – C Macrospores (left) and microspores (right) (ANGE 888, JBSD 141872, holotype, ANGE 1940); D pseudocystidia (JBSD 141872, holotype); E – F cheilocystidia (JBSD 141872, holotype, ANGE 888); G stipititrama (JBSD 141872, holotype); H caulocystidia (JBSD 141872, holotype). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 6. Hygrocybe jarabacoensis, microscopic features. A – C Macrospores (left) and microspores (right) (ANGE 888, JBSD 141872, holotype, ANGE 1940); D pseudocystidia (JBSD 141872, holotype); E – F cheilocystidia (JBSD 141872, holotype, ANGE 888); G stipititrama (JBSD 141872, holotype); H caulocystidia (JBSD 141872, holotype). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
845456034B25565DAC2B73293C27131A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731794	https://doi.org/10.3897/imafungus.17.195850.figure7	Figure 7. Hygrocybe parabolica (JBSD 141877, holotype). A Fresh basidiomata; B pileipellis; C elements of the hymenophoral trama; D hymenium (macrobasidia, microbasidia, and basidiola); E macrobasidia (left) and microbasidia (right); F basidiospores (macrospores and microspores at the bottom right). B – F in ammoniacal Congo red. Photos by C. Angelini (A) and M. Marchetti (B – F). Scale bars: 10 μm.	Figure 7. Hygrocybe parabolica (JBSD 141877, holotype). A Fresh basidiomata; B pileipellis; C elements of the hymenophoral trama; D hymenium (macrobasidia, microbasidia, and basidiola); E macrobasidia (left) and microbasidia (right); F basidiospores (macrospores and microspores at the bottom right). B – F in ammoniacal Congo red. Photos by C. Angelini (A) and M. Marchetti (B – F). Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
93232BE2CBDF5B41B7809652FF32116B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731795	https://doi.org/10.3897/imafungus.17.195850.figure8	Figure 8. Hygrocybe perdomoi, fresh basidiomata. A JBSD 141873; B ANGE 815; C ANGE 816; D ANGE 818; E 15 December 2019; F 21 January 2010. Photos by C. Angelini.	Figure 8. Hygrocybe perdomoi, fresh basidiomata. A JBSD 141873; B ANGE 815; C ANGE 816; D ANGE 818; E 15 December 2019; F 21 January 2010. Photos by C. Angelini.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
93232BE2CBDF5B41B7809652FF32116B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731796	https://doi.org/10.3897/imafungus.17.195850.figure9	Figure 9. Hygrocybe perdomoi, microscopic features. A – B Pileipellis (ANGE 816, JBSD 141873, holotype); C subcutis (JBSD 141873, holotype); D microscopic section of a lamella (JBSD 141873, holotype); E elements of the hymenophoral trama (JBSD 141873, holotype); F – H basidia and basidiola (JBSD 141873, holotype). A – C, G – H in ammoniacal Congo red; D – F in cotton blue. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 9. Hygrocybe perdomoi, microscopic features. A – B Pileipellis (ANGE 816, JBSD 141873, holotype); C subcutis (JBSD 141873, holotype); D microscopic section of a lamella (JBSD 141873, holotype); E elements of the hymenophoral trama (JBSD 141873, holotype); F – H basidia and basidiola (JBSD 141873, holotype). A – C, G – H in ammoniacal Congo red; D – F in cotton blue. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
93232BE2CBDF5B41B7809652FF32116B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731797	https://doi.org/10.3897/imafungus.17.195850.figure10	Figure 10. Hygrocybe perdomoi, microscopic features. A Macrospores (JBSD 141873, holotype); B microspores (JBSD 141873, holotype); C macrospores (ANGE 815); D microspores (ANGE 815); E pseudocystidia and basidiola (JBSD 141873, holotype); F pseudocystidia (ANGE 816); G stipititrama with thromboplerous hyphae (JBSD 141873, holotype); H stipitipellis with caulocystidia-like hyphae (JBSD 141873, holotype). A – B in cotton blue; C – D, F – H in ammoniacal Congo red; E in phloxine. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 10. Hygrocybe perdomoi, microscopic features. A Macrospores (JBSD 141873, holotype); B microspores (JBSD 141873, holotype); C macrospores (ANGE 815); D microspores (ANGE 815); E pseudocystidia and basidiola (JBSD 141873, holotype); F pseudocystidia (ANGE 816); G stipititrama with thromboplerous hyphae (JBSD 141873, holotype); H stipitipellis with caulocystidia-like hyphae (JBSD 141873, holotype). A – B in cotton blue; C – D, F – H in ammoniacal Congo red; E in phloxine. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
222FD2BE5AF1539EB010AEDACF013958.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731798	https://doi.org/10.3897/imafungus.17.195850.figure11	Figure 11. Hygrocybe sp. (ANGE 436). A Fresh basidiomata. Hygrocybe pseudohypohaemacta. B – F Fresh basidiomata (JBSD 141878, holotype, ANGE 822, ANGE 823, ANGE 824, ANGE 825). Photos by C. Angelini.	Figure 11. Hygrocybe sp. (ANGE 436). A Fresh basidiomata. Hygrocybe pseudohypohaemacta. B – F Fresh basidiomata (JBSD 141878, holotype, ANGE 822, ANGE 823, ANGE 824, ANGE 825). Photos by C. Angelini.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
222FD2BE5AF1539EB010AEDACF013958.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731799	https://doi.org/10.3897/imafungus.17.195850.figure12	Figure 12. Hygrocybe pseudohypohaemacta, microscopic features. A – B Pileipellis (JBSD 141878, holotype); C subcutis (ANGE 822); D hymenophoral trama (JBSD 141878, holotype); E dimorphic basidia (JBSD 141878, holotype); F – H macrobasidia (left) and microbasidia (right) (JBSD 141878, holotype, ANGE 823, ANGE 822). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 12. Hygrocybe pseudohypohaemacta, microscopic features. A – B Pileipellis (JBSD 141878, holotype); C subcutis (ANGE 822); D hymenophoral trama (JBSD 141878, holotype); E dimorphic basidia (JBSD 141878, holotype); F – H macrobasidia (left) and microbasidia (right) (JBSD 141878, holotype, ANGE 823, ANGE 822). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
222FD2BE5AF1539EB010AEDACF013958.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731800	https://doi.org/10.3897/imafungus.17.195850.figure13	Figure 13. Hygrocybe pseudohypohaemacta, microscopic features. A Macrospores (JBSD 141878, holotype); B microspores (JBSD 141878, holotype); C macrospores (ANGE 823); D microspores (ANGE 823); E macrospores (left) and microspores (right) (ANGE 824); F – G pseudocystidia (JBSD 141878, holotype, ANGE 825); H stipitipellis (JBSD 141878, holotype). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	Figure 13. Hygrocybe pseudohypohaemacta, microscopic features. A Macrospores (JBSD 141878, holotype); B microspores (JBSD 141878, holotype); C macrospores (ANGE 823); D microspores (ANGE 823); E macrospores (left) and microspores (right) (ANGE 824); F – G pseudocystidia (JBSD 141878, holotype, ANGE 825); H stipitipellis (JBSD 141878, holotype). A – H in ammoniacal Congo red. Photos by M. Marchetti. Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
AF95F79A83BD5775B78DCEA5CACF94A4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731801	https://doi.org/10.3897/imafungus.17.195850.figure14	Figure 14. Hygrocybe variecolor (JBSD 141875, holotype). A – B Fresh basidiomata; C pileipellis; D subcutis; E hyphae of the stipititrama with minute extracellular crystals; F macrobasidia and basidiola; G microbasidia and basidiola; H basidiospores (macrospores, left; microspores, right); I stipitipellis. C – I in ammoniacal Congo red. Photos by C. Angelini (A – B) and M. Marchetti (C – I). Scale bars: 10 μm.	Figure 14. Hygrocybe variecolor (JBSD 141875, holotype). A – B Fresh basidiomata; C pileipellis; D subcutis; E hyphae of the stipititrama with minute extracellular crystals; F macrobasidia and basidiola; G microbasidia and basidiola; H basidiospores (macrospores, left; microspores, right); I stipitipellis. C – I in ammoniacal Congo red. Photos by C. Angelini (A – B) and M. Marchetti (C – I). Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
864F2CF21BAB5DCBBCD636BA407C26C2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1731802	https://doi.org/10.3897/imafungus.17.195850.figure15	Figure 15. Hygrocybe xerophila var. xerophila (JBSD 141876, holotype). A Fresh basidiomata; B pileipellis; C subcutis; D basidia and basidiola; E – F basidiospores; G – H pseudocystidia; I – K stipitipellis; J stipititrama. B – K in ammoniacal Congo red. Photos by C. Angelini (A) and M. Marchetti (B – K). Scale bars: 10 μm.	Figure 15. Hygrocybe xerophila var. xerophila (JBSD 141876, holotype). A Fresh basidiomata; B pileipellis; C subcutis; D basidia and basidiola; E – F basidiospores; G – H pseudocystidia; I – K stipitipellis; J stipititrama. B – K in ammoniacal Congo red. Photos by C. Angelini (A) and M. Marchetti (B – K). Scale bars: 10 μm.	2026-07-31	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo		Zenodo	biologists	Dovana, Francesco;Angelini, Claudio;Lodge, D. Jean;Marchetti, Mauro;Vizzini, Alfredo			
