Taxonomy and phylogenetic analysis reveal one new genus and three new species in Inonotus s. l. (Hymenochaetaceae) from Brazil Author X, Vitor Author Lima, avier de Author T, Virton Rodrigo Author Oliveira, argino de Author C, Nelson Author Lima-Júnior, orreia de Author C., José Ribamar Departamento de Micologia, Centro de Biociências, Universidade Av. da Engenharia s / n, Recife, Pernambuco Author Oliveira-Filho Federal de Pernambuco, 50740 - 570 (Brazil) Author Santos, Carla Author Lima, Nelson CEB-Centre of Biological Engineering, Micoteca da Universidade do Minho (MUM), University of Minho, Braga (Portugal) Author Gibertoni, Tatiana Baptista Departamento de Micologia, Centro de Biociências, Universidade Federal de Pernambuco, Av. da Engenharia s / n, Recife, Pernambuco 50740 - 570 (Brazil) text Cryptogamie, Mycologie 2022 2022-01-21 20 1 1 21 journal article 255186 10.5252/cryptogamie-mycologie2022v43a1 402fdfbb-d515-491a-923b-eb2726c3722a 1776-100X 7828806 KEY TO THE NEOTROPICAL SPECIES OF TROPICOPORUS 1. Basidioma resupinate................................................................................................................................... 2 — Basidioma pileate ........................................................................................................................................ 3 2. Basidioma, thick, stratified; pores 5-7/mm; basidiospores 4-5 Μm long .......................................................... ............................................................................................................. T. stratificans G.Coelho & Yurchenko — Basidioma thin, effused; pores 7-10/mm; basidiospores 3-4 Μm long ............................................................. .......................................................................... T. tropicalis (M.J.Larsen & Lombard) L.W.Zhou & Y.C.Dai 3. Hymenial setae absent .............................. T. nullisetus Xavier de Lima, V.R.T. Oliveira & Gibertoni , sp. nov. — Hymenial setae present, scanty to abundant ................................................................................................ 4 4. Biding-like hyphae present in the context and tube trama ........................................................................... 5 — Biding-like hyphae absent ........................................................................................................................... 6 5. Basidiospores 4-5 Μm long; pores 5-7/mm .................... T. dependens (Murrill) L.W.Zhou, Y.C.Dai & Vlasák — Basidiospores 6-7 Μm long; pores 2-3/mm ..................................................................................................... ................................................................ T. sideroxylicola (Vlasák & Y.C.Dai) L.W.Zhou, Y.C.Dai & Vlasák 6. Pores 7-9/mm; setae 10-25 Μm long............................................................................................................ 7 — Pores ≤ 7/mm; setae 16-43 Μm long, mostly> 20 Μm long.......................................................................... 8 7. Basidiomata up to 4 cm thick at base, forming a dark crust on the pileus ....................................................... ............................................................................................ T. guanacastensis L.W. Zhou, Y.C. Dai & Vlasák — Basidiomata thin, up to 0.9 cm thick at base, not forming a dark crust .......................................................... ............................. T. flabellatus V.R.T. Oliveira, J.R.C. Oliveira-Filho, Xavier de Lima & Gibertoni , sp. nov. 8. In seasonally dry subtropical forest; on Cordia americana ................ T. drechsleri Salvador-Montoya & Popoff — Tropical and subtropical; host various.......................................................................................................... 9 9. Pores 4-5/mm ...................................... T. pseudolinteus (Vlasák & Y.C. Dai) L.W. Zhou, Y.C. Dai & Vlasák — Pores 5-7/mm ........................................................................................................................................... 10 10. Black line absent in the context; setae 27-43 long........................................................................................... ................................................................ T. cubensis (Y.C.Dai, Decock & L.W.Zhou) L.W.Zhou & Y.C.Dai — Black line present in the context; setae 22-30 long ..... T. linteus (Berk. & M.A.Curtis) L.W.Zhou & Y.C.Dai