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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1351 | Calicium tympanellum | Ach. | No | Calicium inquinans | 474 | LC | ||||
| 1352 | Calicium victorianum | (F. Wilson) Tibell (1987) | Yes | Calicium victorianum | 2471 | DD NR | Calicium victorianum | |||
| 1353 | Calicium viride | Pers. (1794) | Yes | Calicium viride | Calicium hyperellum | 231 | LC | Calicium viride | ||
| 1354 | Calicium viride f. leprosa | Nádv. | No | ? Calicium viride | ||||||
| 1355 | Callome multipartita | (Sm.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Callome multipartita | Collema multipartitum | 452 | LC NS | Callome multipartita | ||
| 1356 | Callopisma aurantiacum | sensu auct. p.p. (corticolous) | No | Gyalolechia flavorubescens | 254 | EN A NS P Eng Sc Wa | ||||
| 1357 | Callopisma aurantiacum var. flavovirescens | (Wulfen) A. Massal. (1852) | No | Gyalolechia flavovirescens | 255 | LC | ||||
| 1358 | Callopisma aurantiacum var. inalpinum | (Ach.) Arnold (1861) | No | Gyalolechia flavovirescens | 255 | LC | ||||
| 1359 | Callopisma cerinellum | (Nyl.) Müll. Arg. (1885) | No | Athallia cerinella | 242 | LC | ||||
| 1360 | Callopisma cerinum | (Hedw.) De Not. (1847) | No | Caloplaca cerina | 241 | LC | ||||
| 1361 | Callopisma cerinum var. cyanoleprum | (DC.) A. Massal. (1856) | No | Caloplaca cerina | 241 | LC | ||||
| 1362 | Callopisma citrinum | (Hoffm.) A. Massal. (1852), sensu auct. brit. | No | Flavoplaca citrina s. lat. | 247 | LC | ||||
| 1363 | Callopisma epixanthum | (Ach.) Mudd | No | Candelariella aurella f. aurella | 291 | LC | ||||
| 1364 | Callopisma ferrugineum | auct. | No | Blastenia ferruginea s. lat. | 2280 | |||||
| 1365 | Callopisma ferrugineum var. festivum | (Ach.) Mudd (1861) | No | Blastenia crenularia | 253 | LC | ||||
| 1366 | Callopisma luteoalbum | (Turner) A. Massal. (1852) | No | Cerothallia luteoalba | 266 | EN A2, C1 NS P Eng Sc Wa S8 | ||||
| 1367 | Callopisma luteoalbum var. calcicola | auct. brit. p.max.p. | No | Xanthocarpia fulva | 264 | LC | ||||
| 1368 | Callopisma ochraceum | (Schaer.) A. Massal. (1852) | No | Xanthocarpia ochracea | 272 | LC NS Sc | ||||
| 1369 | Callopisma phloginum | (Ach.) Arnold (1871) | No | Scythioria phlogina | 2317 | NE ?NS | ||||
| 1370 | Callopisma pyraceum | auct. brit. p.p., non (Ach.) Arnold | No | Athallia holocarpa s. lat. | 261 | name or specific epithet valid but has been misused in the past | LC | |||
| 1371 | Callopisma pyraceum | auct. brit. p.p., non (Ach.) Arnold | No | Flavoplaca oasis | 2461 | name or specific epithet valid but has been misused in the past | LC | |||
| 1372 | Callopisma rupestre | (Scop.) Walt. Watson | No | Protoblastenia rupestris | 1189 | LC | ||||
| 1373 | Callopisma rupestre f. incrustans | (DC.) Walt. Watson | No | Protoblastenia incrustans | 1188 | LC | ||||
| 1374 | Callopisma rupestre var. calvum | (Dicks.) Walt. Watson | No | Protoblastenia calva | 1186 | LC | ||||
| 1375 | Callopisma tetrastichum | (Nyl.) Walt. Watson (1930) | No | Xanthocarpia ochracea | 272 | LC NS Sc | ||||
| 1376 | Callopisma vitellinulum | auct. brit. p.max.p. | No | Caloplaca | several Caloplaca spp. with a yellow thallus, name or specific epithet valid but has been misused in the past | |||||
| 1377 | Calogaya arnoldii | sensu auct. brit. | No | Caloplaca oblitterata | 236 | LC | ||||
| 1378 | Calogaya decipiens | (Arnold) Arup, Frödén & Søchting (2013) | Yes | Calogaya decipiens | Caloplaca decipiens | 250 | LC | Calogaya decipiens | ||
| 1379 | Calogaya oblitterata | (Pers.) P.F. Cannon & Coppins (2024) | Yes | Calogaya oblitterata | Caloplaca arnoldii auct. brit.; Caloplaca arnoldii subsp. oblitterata | 236 | LC | Calogaya oblitterata | ||
| 1380 | Calogaya pusilla | (A. Massal.) Arup, Frödén & Søchting (2013) | Yes | Calogaya pusilla | Caloplaca murorum auct. brit.; Caloplaca pusilla; Caloplaca saxicola auct. brit. | 277 | LC | Calogaya pusilla |