For more information see the Supplementary Notes for the Taxon Dictionary, which explains the names and synonyms, and these Instructions on how to use the online Taxon Dictionary which includes details of the Conservation Evaluation codes.
| Count | Name | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 3091 | Imbricaria fuliginosa | (Fr. ex Duby) Arnold | No | Melanelixia fuliginosa | 998 | LC | ||||
| 3092 | Imbricaria fuliginosa subsp. glabratula | (Lamy) Arnold | No | Melanelixia glabratula | 997 | LC | ||||
| 3093 | Imbricaria lanata | (L.) Arnold (1875) | No | Ephebe lanata | 509 | LC | ||||
| 3094 | Immersaria athroocarpa | (Ach.) Rambold & Pietschm. (1989) | Yes | Immersaria athroocarpa | Lecidea athroocarpa Porpidia arthroocarpa |
699 | LC NS | Immersaria athroocarpa | ||
| 3095 | Imshaugia aleurites | (Ach.) S.L.F. Mey. (1985) | Yes | Imshaugia aleurites | Parmeliopsis aleurites | 1033 | LC | Imshaugia aleurites | ||
| 3096 | Ingaderia sorediata | (Sparrius, P. James & M.A. Allen) Ertz (2023) | Yes | Ingaderia sorediata | Fulvophyton sorediatum; Peterjamesia sorediata; Roccellographa sorediata; Sclerophytomyces circumscriptus var. sorediatus | 2439 | LC NR | Ingaderia sorediata | ||
| 3097 | Ingaderia vandenboomii | Ertz (2023) | Yes | Ingaderia vandenboomii | Llimonaea sorediata | 2466 | LC NS | Ingaderia vandenboomii | ||
| 3098 | Inoderma byssaceum | (Weigel) Gray (1821) | Yes | Inoderma byssaceum | Arthonia byssacea | 2604 | VU DI NR | Inoderma byssaceum | ||
| 3099 | Inoderma epigaea | (Pers.) Gray | No | Thrombium epigaeum | 1414 | LC NS | ||||
| 3100 | Inoderma subabietinum | (Coppins & P. James) Ertz & Frisch (2015) | Yes | Inoderma subabietinum | Lecanactis subabietina | 606 | LC Sc IR | Inoderma subabietinum | ||
| 3101 | Intralichen baccisporus | D. Hawksw. & M.S. Cole (2002) | Yes | Intralichen baccisporus | 2424 | NE NR | LF | Intralichen baccisporus | ||
| 3102 | Intralichen christiansenii | (D. Hawksw.) D. Hawksw. & M.S. Cole (2001) | Yes | Intralichen christiansenii | Bispora christiansenii | 2019 | LC NS | LF | Intralichen christiansenii | |
| 3103 | Intralichen lichenicola | (M.S. Christ. & D. Hawksw.) D. Hawksw. & M.S. Cole (2002) | Yes | Intralichen lichenicola | 2448 | NE NR | LF | Intralichen lichenicola | ||
| 3104 | Intralichen lichenum | (Diederich) D. Hawksw. & M.S. Cole (2002) | Yes | Intralichen lichenum | Bispora lichenum | 2020 | NE NR | LF | Intralichen lichenum | |
| 3105 | Involucropyrenium romeanum | (B. de Lesd.) Breuss (2016) | No | Verrucaria romeana | 2621 | NE NR | ||||
| 3106 | Involucropyrenium waltheri | (Kremp.) Breuss (1996) | Yes | Involucropyrenium waltheri | Catapyrenium waltheri | 1862 | CR B2, C2,D NR Sc | Involucropyrenium waltheri | ||
| 3107 | Ionaspis chrysophana | (Körb.) Stein | No | Ionaspis suaveolens | 590 | DD NS | ||||
| 3108 | Ionaspis cyanocarpa | (Anzi) Jatta | No | Hymenelia cyanocarpa | 1706 | LC NS | ||||
| 3109 | Ionaspis epulotica | (Ach.) Arnold | No | Hymenelia epulotica | 585 | LC NS | ||||
| 3110 | Ionaspis epulotica var. crustosa | H. Magn. (1933) | No | Hymenelia rhodopis | 595 | DD NR Sc | ||||
| 3111 | Ionaspis heteromorpha | (Kremp.) Arnold | No | Hymenelia heteromorpha | 587 | VU D2 NR Sc | ||||
| 3112 | Ionaspis lacustris | (With.) Lutzoni (1995) | Yes | Ionaspis lacustris | Aspicilia lacustris Hymenelia lacustris Lecanora lacustris |
573 | LC | Ionaspis lacustris | ||
| 3113 | Ionaspis melanocarpa | (Kremp.) Arnold | No | Hymenelia melanocarpa | 588 | VU D2 NR Sc | ||||
| 3114 | Ionaspis obtecta | (Vain.) R. Sant. (2004) | Yes | Ionaspis obtecta | Hymenelia obtecta | 1987 | NT NR Sc | Ionaspis obtecta | ||
| 3115 | Ionaspis odora | (Ach.) Th. Fr. (1871) | Yes | Ionaspis odora | 589 | LC NS | Ionaspis odora | |||
| 3116 | Ionaspis rhodopis | (Sommerf.) Blomb. & Forssell (1871) | No | Hymenelia rhodopis | 595 | DD NR Sc | ||||
| 3117 | Ionaspis rhodopsis | auct. [orth. error] | No | Hymenelia rhodopis | 595 | DD NR Sc | ||||
| 3118 | Ionaspis suaveolens | (Fr.) Th. Fr. ex Stein (1879) | Yes | Ionaspis suaveolens | Ionaspis chrysophana | 590 | DD NS | Ionaspis suaveolens | ||
| 3119 | Isidium coccodes | (Ach.) Ach. | No | Pertusaria coccodes | 1064 | LC | ||||
| 3120 | Isidium corallinum | (L.) Ach. (1803) | No | Lepra corallina | 1066 | LC |