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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8401 | Tornabea scutellifera | (With.) J.R. Laundon (1984) | Yes | Tornabea scutellifera | Tornabenia atlantica | 1430 | Ex | Tornabea scutellifera | ||
| 8402 | Tornabenia atlantica | (Ach.) Kurok. | No | Tornabea scutellifera | 1430 | Ex | ||||
| 8403 | Torula cyanescens | Kalchbr. | No | Kalchbrenneriella cyanescens | 2329 | LC | LF | |||
| 8404 | Trachylia stigonella | auct. brit., non (Ach.) Fr. | No | Acolium sessile | 1545 | LC NS | LF | |||
| 8405 | Trachylia tigillaris | (Ach.) Fr. | No | Calicium tigillare | 476 | NT NR Sc | ||||
| 8406 | Trachylia tympanella | (Ach.) Fr. | No | Calicium inquinans | 474 | LC | ||||
| 8407 | Trapejamesia corticola | (Coppins & P.James) S.Y. Kondr. (2022) | No | Trapelia corticola | 1581 | LC | ||||
| 8408 | Trapelia coarctata | (Sm.) M. Choisy (1932) | Yes | Trapelia coarctata | Lecidea coarctata | 1431 | LC | Trapelia coarctata | ||
| 8409 | Trapelia collaris | Orange (2018) | Yes | Trapelia collaris | 2709 | NE | Trapelia collaris | |||
| 8410 | Trapelia corticola | Coppins & P. James (1984) | Yes | Trapelia corticola | 1581 | LC | Trapelia corticola | |||
| 8411 | Trapelia elacista | (Ach.) Orange (2018) | Yes | Trapelia elacista | 2710 | NE | Trapelia elacista | |||
| 8412 | Trapelia glebulosa | sensu auct. brit. p.p. | No | Trapelia involuta s. str. | 2711 | LC | ||||
| 8413 | Trapelia glebulosa s. lat. | Yes | Trapelia glebulosa s. lat. | 1432 | LC | Trapelia glebulosa s. lat. | ||||
| 8414 | Trapelia glebulosa s. str. | (Sm.) J.R. Laundon (2005) | Yes | Trapelia glebulosa s. str. | Lecidea coarctata f. glebulosa | 2713 | LC | Trapelia glebulosa s. str. | ||
| 8415 | Trapelia involuta | sensu auct. brit. p.p. | No | Trapelia glebulosa s. lat. | 1432 | LC | ||||
| 8416 | Trapelia involuta s. str. | (Taylor) Hertel (1973) | Yes | Trapelia involuta s. str. | Lecidea coarctata var. ornata, Trapelia ornata | 2711 | LC | Trapelia involuta s. str. | ||
| 8417 | Trapelia mooreana | (Carroll) P. James | No | Ainoa mooreana | 1433 | LC NS | ||||
| 8418 | Trapelia obtegens | (Th. Fr.) Hertel (1970) | Yes | Trapelia obtegens | 1434 | LC | Trapelia obtegens | |||
| 8419 | Trapelia ornata | (Sommerf.) Hertel (1970) | No | Trapelia involuta s. str. | 2711 | LC | ||||
| 8420 | Trapelia placodioides | Coppins & P. James (1984) | Yes | Trapelia placodioides | 1595 | LC | Trapelia placodioides | |||
| 8421 | Trapelia sitiens | Orange (2018) | Yes | Trapelia sitiens | 2728 | NE NR | Trapelia sitiens | |||
| 8422 | Trapelia vezdaeoides | Coppins in sched. | No | Coppinsia minutissima | 1977 | LC NS | ||||
| 8423 | Trapeliopsis aeneofusca | (Flörke ex Flot.) S.Y. Kondr. & L. Lőkös (2022) | No | Trapeliopsis aeneofusca | 1815 | DD NR | ||||
| 8424 | Trapeliopsis aeneofusca | (Flörke ex Flot.) Coppins & P. James (1984) | Yes | Trapeliopsis aeneofusca | 1815 | DD NR | Trapeliopsis aeneofusca | |||
| 8425 | Trapeliopsis flexuosa | (Fr.) Coppins & P. James (1984) | Yes | Trapeliopsis flexuosa | Lecidea aeruginosa Lecidea flexuosa Lecidea granulosa auct. p.p. |
692 | LC | Trapeliopsis flexuosa | ||
| 8426 | Trapeliopsis gelatinosa | (Flörke) Coppins & P. James (1984) | Yes | Trapeliopsis gelatinosa | Lecidea gelatinosa | 726 | LC | Trapeliopsis gelatinosa | ||
| 8427 | Trapeliopsis glaucolepidea | (Nyl.) Gotth. Schneid. (1980) [1979] | Yes | Trapeliopsis glaucolepidea | Lecidea glaucolepidea | 1435 | LC NS | Trapeliopsis glaucolepidea | ||
| 8428 | Trapeliopsis granulosa | (Hoffm.) Lumbsch (1983) | Yes | Trapeliopsis granulosa | Lecidea granulosa Lecidea quadricolor |
727 | Pre-1984 records often refer to T. flexuosa or T. pseudogranulosa | LC | Trapeliopsis granulosa | |
| 8429 | Trapeliopsis percrenata | (Nyl.) Gotth. Schneid. (1980) [1979] | Yes | Trapeliopsis percrenata | 1436 | LC NS | Trapeliopsis percrenata | |||
| 8430 | Trapeliopsis pseudogranulosa | Coppins & P. James (1984) | Yes | Trapeliopsis pseudogranulosa | Lecidea granulosa auct. p.p. | 1582 | LC | Trapeliopsis pseudogranulosa |