Image | Name | Taxon Author | Year |
| Inosperma acutofulvum | (Bizio & Castellan) Bizio, A. Castellan & Cervini | 2020 |
 | Inosperma adaequatum | (Britzelm.) Matheny & Esteve-Rav. | 2019 |
 | Inosperma africanum | Aïgnon, Yorou & Ryberg | 2021 |
| Inosperma afromelliolens | Eyssart. & Buyck | 2021 |
| Inosperma akirnum | (K.P.D. Latha & Manim.) Matheny & Esteve-Rav. | 2019 |
 | Inosperma apiosmotum | (Grund & D.E. Stuntz) Matheny & Esteve-Rav. | 2019 |
| Inosperma armoricanum | (R. Heim) Matheny & Esteve-Rav. | 2019 |
| Inosperma aureostipes | (Kobayasi) Matheny & Esteve-Rav. | 2019 |
| Inosperma bicoloratum | (E. Horak, Matheny & Desjardin) Matheny & Esteve-Rav. | 2019 |
| Inosperma boeticum | Eyssart. & Buyck | 2021 |
 | Inosperma bongardii | (Weinm.) Matheny & Esteve-Rav. | 2019 |
 | Inosperma bulbomarginatum | Aïgnon, Yorou & Ryberg | 2021 |
| Inosperma calamistratoides | (E. Horak) Matheny & Esteve-Rav. | 2019 |
 | Inosperma calamistratum | (Fr.) Matheny & Esteve-Rav. | 2019 |
| Inosperma carnosibulbosum | (C.K. Pradeep & Matheny) Matheny & Esteve-Rav. | 2019 |
 | Inosperma cervicolor | (Pers.) Matheny & Esteve-Rav. | 2019 |
| Inosperma changbaiense | (T. Bau & Y.G. Fan) Matheny & Esteve-Rav. | 2019 |
| Inosperma chlorochroum | (Corriol & Guinb.) Matheny & Esteve-Rav. | 2019 |
 | Inosperma cookei | (Bres.) Matheny & Esteve-Rav. | 2019 |
| Inosperma cyanotrichium | (Matheny, Bougher & G.M. Gates) Matheny & Esteve-Rav. | 2019 |
| Inosperma dodonae | Bandini & B. Oertel | 2021 |
 | Inosperma erubescens | (A. Blytt) Matheny & Esteve-Rav. | 2019 |
 | Inosperma fastigiellum | (G.F. Atk.) Matheny & Esteve-Rav. | 2019 |
 | Inosperma flavobrunneum | Aïgnon, Yorou & Ryberg | 2021 |
| Inosperma fulvoumbrinum | (Bres.) Matheny & Esteve-Rav. | 2019 |
| Inosperma fulvum | (Bon) Matheny & Esteve-Rav. | 2019 |
| Inosperma fuscospinulosum | (Corner & E. Horak) Matheny & Esteve-Rav. | 2019 |
| Inosperma geraniodorum | (J. Favre) Matheny & Esteve-Rav. | 2019 |
| Inosperma gregarium | (K.P.D. Latha & Manim.) Matheny & Esteve-Rav. | 2019 |
| Inosperma griseolum | (Takah. Kobay.) Matheny & Esteve-Rav. | 2019 |
| Inosperma hainanense | Y.G. Fan, L.S. Deng, W.J. Yu & N.K. Zeng | 2021 |
| Inosperma hirsutum | (Lasch) Matheny & Esteve-Rav. | 2019 |
| Inosperma insignissimum | (Romagn.) Matheny & Esteve-Rav. | 2019 |
| Inosperma ionides | (Corner & E. Horak) Matheny & Esteve-Rav. | 2019 |
| Inosperma ismeneanum | Bandini & B. Oertel | 2021 |
| Inosperma kuthanii | (Stangl & J. Veselský) Matheny & Esteve-Rav. | 2019 |
 | Inosperma lanatodiscum | (Kauffman) Matheny & Esteve-Rav. | 2019 |
| Inosperma latericium | (E. Horak) Matheny & Esteve-Rav. | 2019 |
| Inosperma lilofastigiatum | (Stangl & J. Veselský) Matheny & Esteve-Rav. | 2019 |
 | Inosperma maculatum | (Boud.) Matheny & Esteve-Rav. | 2019 |
| Inosperma maximum | (A.H. Sm.) Matheny & Esteve-Rav. | 2019 |
| Inosperma misakaense | (Matheny & Watling) Matheny & Esteve-Rav. | 2019 |
| Inosperma monastichum | Bandini & B. Oertel | 2021 |
| Inosperma mucidiolens | (Grund & D.E. Stuntz) Matheny & Esteve-Rav. | 2019 |
| Inosperma muscarium | Y.G. Fan, L.S. Deng, W.J. Yu & N.K. Zeng | 2021 |
| Inosperma mutatum | (Peck) Matheny & Esteve-Rav. | 2019 |
| Inosperma neobrunnescens | (Grund & D.E. Stuntz) Matheny & Esteve-Rav. | 2019 |
| Inosperma pallidifolium | (Murrill) Matheny & Esteve-Rav. | 2019 |
| Inosperma pisciodorum | (Donadini & Riousset) Matheny & Esteve-Rav. | 2019 |
| Inosperma proximum | (E. Horak, Matheny & Desjardin) Matheny & Esteve-Rav. | 2019 |
| Inosperma quercinum | (Hongo) Matheny & Esteve-Rav. | 2019 |
| Inosperma quietiodor | (Bon) Matheny & Esteve-Rav. | 2019 |
| Inosperma reisneri | (Velen.) Matheny & Esteve-Rav. | 2019 |
| Inosperma rhodiolum | (Bres.) Matheny & Esteve-Rav. | 2019 |
| Inosperma rimosoides | (Peck) Matheny & Esteve-Rav. | 2019 |
| Inosperma rosellicaulare | (Grund & D.E. Stuntz) Matheny & Esteve-Rav. | 2019 |
| Inosperma rubricosum | (Matheny & Bougher) Matheny & Esteve-Rav. | 2019 |
| Inosperma saragum | (K.P.D. Latha & Manim.) Matheny & Esteve-Rav. | 2019 |
| Inosperma shawarense | (Naseer & Khalid) Aïgnon & Naseer | 2021 |
| Inosperma subhirsutum | (Kühner) Matheny & Esteve-Rav. | 2019 |
| Inosperma submaculatum | Eyssart. & Buyck | 2021 |
| Inosperma subrubescens | (G.F. Atk.) Matheny & Esteve-Rav. | 2019 |
| Inosperma subsphaerosporum | Y.G. Fan, L.S. Deng, W.J. Yu & L.Y. Liu | 2021 |
| Inosperma sulcatum | (Moënne-Locc., Poirier & Reumaux) Matheny & Esteve-Rav. | 2019 |
| Inosperma tenerrimum | (G.F. Atk.) Matheny & Esteve-Rav. | 2019 |
| Inosperma umbrinovirens | (E. Horak) Matheny & Esteve-Rav. | 2019 |
| Inosperma veliferum | (Kühner) Matheny & Esteve-Rav. | 2019 |
| Inosperma vinaceobrunneum | (Matheny, Ovrebo & Kudzma) Haelew. | 2020 |
| Inosperma vinaceum | Cervini, M. Carbone & Bizio | 2021 |
| Inosperma viridipes | (Matheny, Bougher & G.M. Gates) Matheny & Esteve-Rav. | 2019 |
| Inosperma virosum | (K.B. Vrinda, C.K. Pradeep, A.V. Joseph & T.K. Abraham ex C.K. Pradeep, K.B. Vrinda & Matheny) Matheny & Esteve-Rav. | 2019 |