Fungal Planet description sheets: 1781-1866.

Novel species of fungi described in this study include those from various countries as follows: , on leaf spots of . , on mossy soil, among leaf litter, among leaf litter, in leaf litter, in leaf litter, on soil in mixed forest, in long decayed wood litter, as an endophyte from healthy leaves of , on culms of on leaves of , on leaves of on leaves of . , on living leaf of from soil, on living leaves of unidentified palm species, from stalks of , on living leaves of native bamboo, on living leaves of unidentified , on living leaves of unidentified , (incl. ) as endophytic from roots of , from healthy roots of coffee plant, as root endophyte of on living leaves of sp., from soil, from leaves inside a nest of the leaf-cutting ant , from soil. , on dead or effete stromata of cf. , in subalpine green alder stands, on dead twigs of , from bark humus, from fermentation residues from biogas plants, from softwood fibres, from bark humus, on calcareous to more acidic soil with conifers. , associated with . , on dead twigs. , on rotten leaf of , among , and , on moss with the presence of , and spp , on leaf spots of . , from fruit of cv. Hass. , , and on soil under . , on branch of . , on humus soil, on litter in conifer forest, on litter in broad-leaved subtropical forest. , from resin of ssp. isolated from sooty mould community on leaves. , (incl. ) on mossy slopes and under leaf litter, on sandy, granitic soil, under laurel forest, gregarious in laurel forest, on mossy areas of laurel forest areas, on sandy soil under , and , on leaf of from the gut of sp., on leaves of and on twigs of , on dead flower head of from soil. , on soil under and , among grass and fallen leaves of , in sandy soils under subsp. and on dead leaves of and , on clayey and loamy soil under and in laurel forest. , in a bog on very wet acidic soil with spp. and spp. , on scale insects (), on hymenopteran pupae in the nest (). , from office swab. , under , (incl. .) on leaf spots of sp., and on living leaves of , on thallus of terricolous . , (incl. ) on submerged wood in a freshwater stream, from utility room (settle plate), from air (settle plate), from mixed pine-hardwood forest, from bedroom, air, from lyse buffer. , on dry marine anchovy . Morphological and culture characteristics are supported by DNA barcodes. Crous PW, Catcheside DEA, Catcheside PS, Alfenas AC, Alfenas RF, Barreto RW, Lebel T, Balashov S, Broadbridge J, Jurjević Ž, De la Peña-Lastra S, Hoffmann R, Mateos A, Riebesehl J, Shivas RG, Soliz Santander FF, Tan YP, Altés A, Bandini D, Carriconde F, Cazabonne J, Czachura P, Gryta H, Eyssartier G, Larsson E, Pereira OL, Rigueiro-Rodríguez A, Wingfield MJ, Ahmad W, Bibi S, Denman S, Esteve-Raventós F, Hussain S, Illescas T, Luangsa-ard JJ, Möller L, Mombert A, Noisripoom W, Olariaga I, Pancorbo F, Paz A, Piątek M, Polman-Short C, Suárez E, Afshan NS, Ali H, Arzanlou M, Ayer F, Barratt J, Bellanger J-M, Bidaud A, Bishop-Hurley SL, Bohm M, Bose T, Campo E, Chau NB, Çolak ÖF, Cordeiro TRL, Cruz MO, Custódio FA, Couceiro A, Darmostuk V, Dearnaley JDW, de Azevedo Santiago ALCM, de Freitas LWS, de J Yáñez-Morales M, Domnauer C, Dentinger B, Dhileepan K, De Souza JT, Dovana F, Eberhardt U, Eisvand P, Erhard A, Fachada V, García-Martín A, Groenewald M, Hammerbacher A, Harms K, Haroon S, Haqnawaz M, Henriques S, Hernández AJ, Jacobus LM, Jaen-Contreras D, Jangsantear P, Kaygusuz O, Knoppersen R, Kumar TKA, Lynch MJ, Mahiques R, Maraia GL, Marbach PAS, Mehrabi-Koushki M, Miller PR, Mongkolsamrit S, Moreau P-A, Oberlies NH, Oliveira JA, Orlovich D, Pérez-Méndez AS, Pinto A, Raja HA, Ramírez GH, Raphael B, Rodrigues A, Rodrigues H, Ramos DO, Safi A, Sarwar S, Saar I, Sánchez RM, Santana JS, Scrace J, Sales LS, Silva LNP, Stryjak-Bogacka M, Tacconi A, Thanh VN, Thomas A, Thuy NT, Toome M, Valdez-Carrazco JM, van Vuuren NI, Vasey J, Vauras J, Vila-Viçosa C, Villarreal M, Visagie CM, Vizzini A, Whiteside EJ, Groenewald JZ. (2025). Fungal Planet description sheets: 1781-1866. : 327-587. doi: 10.3114/persoonia.2025.54.10.