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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2491 | Diploschistes caesioplumbeus | (Nyl.) Vain. (1921) | Yes | Diploschistes caesioplumbeus | 492 | LC NS | Diploschistes caesioplumbeus | |||
| 2492 | Diploschistes gypsaceus | (Ach.) Zahlbr. (1892) | Yes | Diploschistes gypsaceus | 493 | LC NS | Diploschistes gypsaceus | |||
| 2493 | Diploschistes lichenicola | (Mont.) Vain. | No | Diploschistes muscorum | 494 | LC | ||||
| 2494 | Diploschistes muscorum | (Scop.) R. Sant. (1980) | Yes | Diploschistes muscorum | Diploschistes bryophilus Diploschistes scruposus var. bryophilus |
494 | LC | Diploschistes muscorum | ||
| 2495 | Diploschistes scruposus | (Schreb.) Norman (1853) | Yes | Diploschistes scruposus | 495 | LC | Diploschistes scruposus | |||
| 2496 | Diploschistes scruposus var. bryophilus | (Ach.) Müll. Arg. | No | Diploschistes muscorum | 494 | LC | ||||
| 2497 | Diploschistes scruposus var. parasiticus | (Sommerf.) Zahlbr. | No | Diploschistes muscorum | 494 | LC | ||||
| 2498 | Diplotomma alboatrum | (Hoffm.) Flot. (1849) | Yes | Diplotomma alboatrum | Buellia alboatra | 496 | LC | Diplotomma alboatrum | ||
| 2499 | Diplotomma alboatrum var. venustum | sensu auct. brit. p.max.p. | No | Diplotomma alboatrum | 496 | LC | ||||
| 2500 | Diplotomma calcareum | (Ach.) Flot. (1849) | No | Rhizocarpon umbilicatum | 1279 | LC | ||||
| 2501 | Diplotomma chlorophaeum | (Hepp ex Leight.) Kr. P. Singh & S.R. Singh (1985) | Yes | Diplotomma chlorophaeum | Buellia chlorophaea | 497 | LC | Diplotomma chlorophaeum | ||
| 2502 | Diplotomma epipolium | auct. brit. | No | Diplotomma hedinii | 498 | LC NS | ||||
| 2503 | Diplotomma hedinianum | (H. Magn.) P. Clerc & Cl. Roux (2004) [orth. error] | No | Diplotomma hedinii | 498 | LC NS | ||||
| 2504 | Diplotomma hedinii | (H. Magn.) P. Clerc & Cl. Roux (2004) | Yes | Diplotomma hedinii | Buellia epipolia auct. brit. Buellia venusta auct. brit. Diplotomma epipolium auct. brit. |
498 | LC NS | Diplotomma hedinii | ||
| 2505 | Diplotomma murorum | (A. Massal.) Coppins (1980) | Yes | Diplotomma murorum | 317 | Lichenicolous lichen on Kuettlingeria teicholyta (Caloplaca teicholyta) | NE NR | Diplotomma murorum | ||
| 2506 | Diplotomma parasiticum | (B. de Lesd.) Diederich, Cl. Roux & Van Haluwyn (2014) | Yes | Diplotomma parasiticum | 2673 | lichenicolous lichen on Lecanora dispersa agg. | NE NR | Diplotomma parasiticum | ||
| 2507 | Diplotomma pharcidium | (Ach.) M. Choisy (1950) | Yes | Diplotomma pharcidium | Buellia geophila auct. brit. Buellia pharcidia |
2316 | DD NR P Sc | Diplotomma pharcidium | ||
| 2508 | Diplotomma pulverulentum | (Anzi) D. Hawksw. (2002) | No | Tetramelas pulverulentus | 1855 | NE NR Sc | ||||
| 2509 | Diplotomma venustum | auct. brit. | No | Diplotomma hedinii | 498 | LC NS | ||||
| 2510 | Diplotomma vezdanum | (P. Scholz & Knoph) Coppins (2002) | Yes | Diplotomma vezdanum | Buellia vezdana | 2339 | lichenicolous lichen on Caloplaca verruculifera | NE NR | Diplotomma vezdanum | |
| 2511 | Diplotomma weisii | sensu auct. brit. | No | Rhizocarpon umbilicatum | 1279 | LC | ||||
| 2512 | Dirina fallax | De Not. (1846) | Yes | Dirina fallax | Dirina massiliensis auct. p.p. | 2622 | No name available for the sorediate morph | NE | Dirina fallax | |
| 2513 | Dirina massiliensis f. massiliensis | Durieu & Mont. (1847) | Yes | Dirina massiliensis f. massiliensis | Dirina repanda | 499 | NT NS | Dirina massiliensis f. massiliensis | ||
| 2514 | Dirina massiliensis f. sorediata | auct. brit. | Yes | Dirina massiliensis f. sorediata | Dirina repanda f. stenhammarii; Dirina stenhammarii; Lecanactis stenhammarii | 500 | sorediate morph | LC | Dirina massiliensis f. sorediata | |
| 2515 | Dirina repanda | auct. brit. | No | Dirina massiliensis f. massiliensis | 499 | NT NS | ||||
| 2516 | Dirina repanda f. stenhammarii | (Fr. ex Stenh.) Clauzade & Cl. Roux | No | Dirina massiliensis f. sorediata | 500 | LC | ||||
| 2517 | Dirina stenhammarii | (Fr. ex Stenh.) Poelt & Follmann | No | Dirina massiliensis f. sorediata | 500 | LC | ||||
| 2518 | Discocera lichenicola | A.L. Sm. & Ramsb. (1918) | No | Trapelia glebulosa s. str. | 2713 | LC | ||||
| 2519 | Discothecium acervatum | (Stirt.) A.L. Sm. | No | Polycoccum trypethelioides | 2169 | NT NR | LF | |||
| 2520 | Discothecium calcaricola | (Mudd) Vouaux (1913) | No | Endococcus rugulosus | 2061 | NE NR | LF |