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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8491 | Tremella aspiciliae | Diederich, Coppins & A. Fletcher (2022) | Yes | Tremella aspiciliae | 2826 | on Aspicilia caesiocinerea | NE NR | LF | Tremella aspiciliae | |
| 8492 | Tremella caloplacae | (Zahlbr.) Diederich (2003) | Yes | Tremella caloplacae | 2389 | NE NR | LF | Tremella caloplacae | ||
| 8493 | Tremella candelariellae | Diederich & Etayo (1996) | Yes | Tremella candelariellae | 2602 | NE | LF | Tremella candelariellae | ||
| 8494 | Tremella cetrariicola | Diederich & Coppins (1996) | Yes | Tremella cetrariicola | 2246 | NE NR | LF | Tremella cetrariicola | ||
| 8495 | Tremella cladoniae | Diederich & M.S. Christ. (1996) | Yes | Tremella cladoniae | 2395 | NE NR | LF | Tremella cladoniae | ||
| 8496 | Tremella conidiopunctelia | Yes | Tremella conidiopunctelia | 2827 | on Punctelia subrudecta | NE NR | LF | Tremella conidiopunctelia | ||
| 8497 | Tremella coppinsii | Diederich & G. Marson (1988) | Yes | Tremella coppinsii | 1917 | LC NS | LF | Tremella coppinsii | ||
| 8498 | Tremella corniculata | With. (1776) | No | Scytinium palmatum | 842 | NT NS Sc | ||||
| 8499 | Tremella dichotoma | With. (1776) | No | Lathagrium dichotomum | 446 | VU B NS P Eng Sc Wa S8 | ||||
| 8500 | Tremella hypogymniae | Diederich & M.S. Christ. (1996) | Yes | Tremella hypogymniae | 2247 | LC NR | LF | Tremella hypogymniae | ||
| 8501 | Tremella imshaugiae | Diederich, Coppins ,R.C. Harris, Millanes & Wedin (2020) | Yes | Tremella imshaugii | 2781 | on Imshaugia aleurites | NE NR | LF | Tremella imshaugiae | |
| 8502 | Tremella lichenicola | Diederich (1986) | Yes | Tremella lichenicola | 2248 | LC | LF | Tremella lichenicola | ||
| 8503 | Tremella lichenoides | L. (1753) | No | Scytinium lichenoides | 839 | LC | ||||
| 8504 | Tremella lobariacearum | Diederich & M.S. Christ. (1996) | Yes | Tremella lobariacearum | 2249 | NE NR | LF | Tremella lobariacearum | ||
| 8505 | Tremella macrobasidiata | J.C. Zamora, Pérez-Ort. & V.J. Rico (2011) | No | Tremella macrobasidiata | Incorrectly reported from GB&I; records refer to Lichenostella griseofusca | LF | ||||
| 8506 | Tremella nimisiana | Freire-Rallo, Diederich, Millanes & Wedin (2023) | Yes | Tremella nimisiana | 2918 | on Xanthocarpia fulva | NE NR | LF | ||
| 8507 | Tremella normandinae | Diederich (1996) | Yes | Tremella normandinae | 2250 | lichenicolous on Normandina pulchella | NE NR | LF | Tremella normandinae | |
| 8508 | Tremella occultixanthoriae | Diederich, Geyselings & Millanes (2022) | Yes | Tremella occultixanthoriae | 2887 | on underside of Xanthoria parietina | NE NR | LF | Tremella occultixanthoriae | |
| 8509 | Tremella parietinae | Freire-Rallo, Diederich, Millanes & Wedin (2023) | Yes | Tremella parietinae | 2896 | on Xanthoria parietina | NE NR | LF | Tremella parietinae | |
| 8510 | Tremella parmeliarum | Diederich (1996) | Yes | Tremella parmeliarum | 2640 | lichenicolous on Parmotrema reticulatum | NE NR | LF | Tremella parmeliarum | |
| 8511 | Tremella pertusae | Diederich, Millanes, Brackel & Etayo (2022) | Yes | Tremella pertusae | 2828 | on Pertusaria pertusa | NE NR | LF | Tremella pertusae | |
| 8512 | Tremella pertusariae | Diederich (1996) | Yes | Tremella pertusariae | 2251 | NE NR | LF | Tremella pertusariae | ||
| 8513 | Tremella phaeographidis | Diederich, Coppins & Bandoni (1996) | Yes | Tremella phaeographidis | 2252 | NE NR | LF | Tremella phaeographidis | ||
| 8514 | Tremella phaeophysciae | Diederich & M.S. Christ. (1996) | Yes | Tremella phaeophysciae | 2253 | LC NR | LF | Tremella phaeophysciae | ||
| 8515 | Tremella protoparmeliae | Diederich & Coppins (1996) | Yes | Tremella protoparmeliae | 2254 | in hymenium of Protoparmelia badia | NE NR | LF | Tremella protoparmeliae | |
| 8516 | Tremella pusillae | Freire-Rallo, Diederich, Millanes & Wedin (2023) | Yes | Tremella pusillae | 2919 | on Calogaya pusilla | NE NR | |||
| 8517 | Tremella ramalinae | Diederich (1996) | Yes | Tremella ramalinae | 2615 | NE | LF | Tremella ramalinae | ||
| 8518 | Tremella rhizocarpicola | Diederich, Millanes & Wedin (2014) | Yes | Tremella rhizocarpicola | 2684 | in hymenium of Rhizocarpon lavatum | NE NR | LF | Tremella rhizocarpicola | |
| 8519 | Tremella tubulosae | Diederich, Coppins, J.C. Zamora, Millanes & Wedin (2020) | Yes | Tremella tubulosae | 2785 | on Hypogymnia tubulosa | NE NR | LF | Tremella tubulosae | |
| 8520 | Tremella tuckerae | Diederich (2007) | Yes | Tremella tuckerae | 2478 | NE NR | LF | Tremella tuckerae |