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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8521 | Tremella tubulosae | Diederich, Coppins, J.C. Zamora, Millanes & Wedin (2020) | Yes | Tremella tubulosae | 2785 | on Hypogymnia tubulosa | NE NR | LF | Tremella tubulosae | |
| 8522 | Tremella tuckerae | Diederich (2007) | Yes | Tremella tuckerae | 2478 | NE NR | LF | Tremella tuckerae | ||
| 8523 | Tremolecia atrata | (Ach.) Hertel (1977) | Yes | Tremolecia atrata | Lecidea dicksonii | 1438 | LC | Tremolecia atrata | ||
| 8524 | Tremolecia jurana | (Schaer.) Hertel | No | Farnoldia jurana | 863 | LC NS | ||||
| 8525 | Trichia furfuracea | (L.) With. (1801) | No | Coniocybe furfuracea | 466 | LC | ||||
| 8526 | Trichoconis lichenicola | D. Hawksw. (1980) | Yes | Trichoconis lichenicola | 2255 | LF | Trichoconis lichenicola | |||
| 8527 | Trichonectria aculeata | Kirschst. | No | Trichonectria hirta | 2256 | NE NR | LF | |||
| 8528 | Trichonectria anisospora | (Lowen) van den Boom & Diederich (2003) | No | Trichonectriella anisospora | 2171 | LC NS | LF | |||
| 8529 | Trichonectria hirta | (A. Bloxam) Petch (1937) | Yes | Trichonectria hirta | 2256 | NE NR | LF | Trichonectria hirta | ||
| 8530 | Trichonectria pertusariae | Etayo & van den Boom (2005) | No | Trichonectriella pertusariae | 2699 | NE NR | LF | Trichonectria pertusariae | ||
| 8531 | Trichonectria rubefaciens | (Ellis & Everh.) Diederich & Schroers (1999) | No | Trichonectriella rubefaciens | 2126 | NE NR | LF | |||
| 8532 | Trichonectriella anisospora | (Lowen) Darmostuk (2026) | Yes | Trichonectriella anisospora | Acremonium pedatum (anamorph); Nectriella anisospora; Pronectria anisospora; Trichonectria anisospora | 2171 | on parmelioid lichens | LC NS | LF | |
| 8533 | Trichonectriella lichenicola | (W. Gams) Darmostuk (2026) | Yes | Trichonectriella lichenicola | Acremonium lichenicola; Cylindromium lichenicola | 2374 | NE NR | LF | ||
| 8534 | Trichonectriella pertusariae | (Etayo & van den Boom) Darmostuk (2026) | Yes | Trichonectriella pertusariae | Trichonectria pertusariae | 2699 | parasitic on Pertusaria (Lepra) spp. | NE NR | LF | |
| 8535 | Trichonectriella rhabdospora | (W. Gams) Darmostuk (2026) | Yes | Trichonectriella rhabdospora | Acremonium rhabdosporum | 2387 | NE NR | LF | ||
| 8536 | Trichonectriella rubefaciens | (Ellis & Everh.) Darmostuk (2026) | Yes | Trichonectriella rubefaciens | Nectria rubefaciens; Nectriopsis rubefaciens; Trichonectria rubefaciens | 2126 | on parmelioid lichens | NE NR | LF | |
| 8537 | Trichosphaeria lichenum | P. Karst. & Har. (1890) | Yes | Trichosphaeria lichenum | 2712 | lichenicolous on Peltigera; probably belongs in Niesslia | LF | Trichosphaeria lichenum | ||
| 8538 | Trichothecium roseum | (Pers.) Link (1809) | Yes | Trichothecium roseum | 2257 | NE ? | LF | Trichothecium roseum | ||
| 8539 | Trichothelium aeneum | (Wallr.) R.C. Harris | No | Porina aenea | 1168 | LC | ||||
| 8540 | Trichothelium chloroticum | (Ach.) R.C. Harris | No | Porina chlorotica f. chlorotica | 1171 | LC | ||||
| 8541 | Trichothelium guentheri | (Flot.) R.C. Harris | No | Porina guentheri var. guentheri | 1174 | LC NS | ||||
| 8542 | Trichothelium lineare | (Leight.) R.C. Harris | No | Porina linearis | 1182 | LC | ||||
| 8543 | Trichothyrina cetrariicola | (Nyl.) D. Hawksw. | No | Lichenopeltella cetrariicola | 2098 | NE NR | LF | |||
| 8544 | Trimmatostroma vandenboomii | Diederich (2024) | Yes | Trimmatostroma vandenboomii | 2903 | NE NR | LF | Trimmatostroma vandenboomii | ||
| 8545 | Trimmatothele perquisita | (Norman) Norman ex Zahlbr. (1903) | Yes | Trimmatothele perquisita | Verrucaria perquisita | 1439 | DD NR Sc | Trimmatothele perquisita | ||
| 8546 | Trimmatothelopsis benedarensis | (M. Knowles) K. Knudsen & Kocourk. (2021) | Yes | Trimmatothelopsis benedarensis | Acarospora benedarensis; Myriospora benedarenis | 7 | DD NR Sc | Trimmatothelopsis benedarensis | ||
| 8547 | Trimmatothelopsis rhizobola | (Nyl.) K. Knudsen & Lendemer (2016) | Yes | Trimmatothelopsis rhizobola | Acarospora rhizobola, Lecidea rhizobola, Psora rhizobola | 767 | VU D2 NR Sc | Trimmatothelopsis rhizobola | ||
| 8548 | Trimmatothelopsis smaragdula | (Wahlenb.) Cl. Roux & Nav.-Ros. (2011) | No | Acarospora smaragdula | 25 | LC | ||||
| 8549 | Tromera difformis | (Fr.) Arnold (1874) | No | Sarea difformis | ||||||
| 8550 | Tromera resinae | (Fr.) Körb. (1865) | No | Sarea resinae |