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 Sort ascending | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 631 | Trichothelium chloroticum | (Ach.) R.C. Harris | No | Porina chlorotica f. chlorotica | 1171 | LC | ||||
| 632 | Trichothelium aeneum | (Wallr.) R.C. Harris | No | Porina aenea | 1168 | LC | ||||
| 633 | Trichothecium roseum | (Pers.) Link (1809) | Yes | Trichothecium roseum | 2257 | NE ? | LF | |||
| 634 | Trichosphaeria lichenum | P. Karst. & Har. (1890) | Yes | Trichosphaeria lichenum | 2712 | lichenicolous on Peltigera; probably belongs in Niesslia | LF | |||
| 635 | Trichonectria rubefaciens | (Ellis & Everh.) Diederich & Schroers (1999) | No | Nectriopsis rubefaciens | 2126 | NE NR | LF | |||
| 636 | Trichonectria pertusariae | Etayo & van den Boom (2005) | Yes | Trichonectria pertusariae | 2699 | parasitic on Pertusaria (Lepra) spp. | NE NR | LF | ||
| 637 | Trichonectria hirta | (A. Bloxam) Petch (1937) | Yes | Trichonectria hirta | 2256 | NE NR | LF | Trichonectria hirta | ||
| 638 | Trichonectria anisospora | (Lowen) van den Boom & Diederich | No | Pronectria anisospora | 2171 | LC NS | LF | |||
| 639 | Trichonectria aculeata | Kirschst. | No | Trichonectria hirta | 2256 | NE NR | LF | |||
| 640 | Trichoconis lichenicola | D. Hawksw. (1980) | Yes | Trichoconis lichenicola | 2255 | LF | Trichoconis lichenicola | |||
| 641 | Trichia furfuracea | (L.) With. | No | Chaenotheca furfuracea | 466 | LC | ||||
| 642 | Tremolecia jurana | (Schaer.) Hertel | No | Farnoldia jurana | 863 | LC NS | ||||
| 643 | Tremolecia atrata | (Ach.) Hertel (1977) | Yes | Tremolecia atrata | Lecidea dicksonii | 1438 | LC | |||
| 644 | Tremella tuckerae | Diederich (2007) | Yes | Tremella tuckerae | 2478 | NE NR | LF | Tremella tuckerae | ||
| 645 | Tremella tubulosae | Diederich, Coppins, J.C. Zamora, Millanes & Wedin (2020) | Yes | Tremella tubulosae | 2785 | on Hypogymnia tubulosa | NE NR | LF | ||
| 646 | Tremella rhizocarpicola | Diederich, Millanes & Wedin (2014) | Yes | Tremella rhizocarpicola | 2684 | in hymenium of Rhizocarpon lavatum | NE NR | LF | ||
| 647 | Tremella ramalinae | Diederich (1996) | Yes | Tremella ramalinae | 2615 | NE | LF | Tremella ramalinae | ||
| 648 | Tremella protoparmeliae | Diederich & Coppins (1996) | Yes | Tremella protoparmeliae | 2254 | in hymenium of Protoparmelia badia | NE NR | LF | Tremella protoparmeliae | |
| 649 | Tremella phaeophysciae | Diederich & M.S. Christ. (1996) | Yes | Tremella phaeophysciae | 2253 | LC NR | LF | Tremella phaeophysciae | ||
| 650 | Tremella phaeographidis | Diederich, Coppins & Bandoni (1996) | Yes | Tremella phaeographidis | 2252 | NE NR | LF | Tremella phaeographidis | ||
| 651 | Tremella pertusariae | Diederich (1996) | Yes | Tremella pertusariae | 2251 | NE NR | LF | Tremella pertusariae | ||
| 652 | Tremella pertusae | Diederich, Millanes, Brackel & Etayo (2022) | Yes | Tremella pertusae | 2828 | on Pertusaria pertusa | NE NR | LF | Tremella pertusae | |
| 653 | Tremella parmeliarum | Diederich (1996) | Yes | Tremella parmeliarum | 2640 | lichenicolous on Parmotrema reticulatum | NE NR | LF | Tremella parmeliarum | |
| 654 | Tremella parietinae | Freire-Rallo, Diederich, Millanes & Wedin (2023) | Yes | Tremella parietinae | 2882 | on Xanthoria parietina | NE NR | LF | ||
| 655 | Tremella normandinae | Diederich (1996) | Yes | Tremella normandinae | 2250 | lichenicolous on Normandina pulchella | NE NR | LF | Tremella normandinae | |
| 656 | Tremella macrobasidiata | J.C. Zamora, Pérez-Ort. & V.J. Rico (2011) | Yes | Tremella macrobasidiata | 2762 | on Lecanora chlarotera | NE LC | LF | ||
| 657 | Tremella lobariacearum | Diederich & M.S. Christ. (1996) | Yes | Tremella lobariacearum | 2249 | NE NR | LF | Tremella lobariacearum | ||
| 658 | Tremella lichenoides | L. (1753) | No | Scytinium lichenoides | 839 | LC | ||||
| 659 | Tremella lichenicola | Diederich (1986) | Yes | Tremella lichenicola | 2248 | LC | LF | Tremella lichenicola | ||
| 660 | Tremella imshaugiae | Diederich, Coppins ,R.C. Harris, Millanes & Wedin (2020) | Yes | Tremella imshaugii | 2781 | on Imshaugia aleurites | NE NR | LF |