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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6451 | Physcia pulverulenta subsp. venusta | auct. brit., non (Ach.) Nyl. | No | Physconia distorta | 1130 | LC | ||||
| 6452 | Physcia pulverulenta var. angustata | (Hoffm.) Schaer. | No | Physconia distorta | 1130 | LC | ||||
| 6453 | Physcia pulverulenta var. muscigena | (Ach.) Nyl. | No | Physconia muscigena | Physconia muscigena (Ach.) Poelt, incorrectly reported from the British Isles | |||||
| 6454 | Physcia pulverulenta var. venusta | auct. brit., non (Ach.) Nyl. | No | Physconia distorta | 1130 | LC | ||||
| 6455 | Physcia retrogressa | Stirt. | No | Physcia stellaris | 1119 | LC | ||||
| 6456 | Physcia sciastra | (Ach.) Du Rietz | No | Phaeophyscia sciastra | 1108 | LC NS | ||||
| 6457 | Physcia sciastrella | (Nyl.) Harm. | No | Phaeophyscia nigricans | 1106 | LC | ||||
| 6458 | Physcia scopularis | (Nyl.) Arnold | No | Caloplaca scopularis | 278 | NT NS | ||||
| 6459 | Physcia semipinnata | (J.F. Gmel.) Moberg | No | Physcia leptalea | 1118 | LC | ||||
| 6460 | Physcia speciosa | auct. brit. p.max.p. | No | Heterodermia obscurata | 560 | name or specific epithet valid but has been misused in the past | ||||
| 6461 | Physcia speciosa var. hypoleuca | auct. brit. | No | Heterodermia obscurata | 560 | |||||
| 6462 | Physcia stellaris | (L.) Nyl. (1856) | Yes | Physcia stellaris | 1119 | LC | Physcia stellaris | |||
| 6463 | Physcia stellaris var. aipolia | (Ehrh. ex Humb.) Tuck. (1860) | No | Physcia aipolia | 1113 | LC | ||||
| 6464 | Physcia stellaris var. cercidia | (Ach.) Th. Fr. | No | Physcia aipolia | 1113 | LC | ||||
| 6465 | Physcia subalbinea | Nyl. | No | Physcia caesia | 1114 | LC | ||||
| 6466 | Physcia subdetersa | Nyl. | No | Physconia enteroxantha | 1126 | LC | ||||
| 6467 | Physcia subobscura | (Nyl.) Nyl. | No | Physcia tenella | 1120 | LC | ||||
| 6468 | Physcia tenella | (Scop.) DC. (1805) | Yes | Physcia tenella | Physcia subobscuraPhyscia tenella subsp. marina | 1120 | LC | Physcia tenella | ||
| 6469 | Physcia tenella f. fimbriatula | Stirt. | No | Physcia tenella | 1120 | LC | ||||
| 6470 | Physcia tenella subsp. marina | (A. Nyl.) D. Hawksw. (1980) | No | Physcia tenella | Physcia subobscura | 1120 | not recognized as a distinct taxon by many authors | LC | ||
| 6471 | Physcia tenella subsp. tenella | (Scop.) DC. (1805) | No | Physcia tenella | 1120 | LC | ||||
| 6472 | Physcia teretiuscula | (Ach.) Lynge | No | Physcia dubia | 1116 | LC | ||||
| 6473 | Physcia tremulicola | Nyl. | No | Phaeophyscia nigricans | 1106 | LC | ||||
| 6474 | Physcia tribacia | (Ach.) Nyl. (1874) | Yes | Physcia tribacia | 1122 | LC | Physcia tribacia | |||
| 6475 | Physcia tribacioides | Nyl. (1874) | Yes | Physcia tribacioides | 1123 | VU C1, D1 NS P Eng Wa S8 | Physcia tribacioides | |||
| 6476 | Physcia ulothrix | auct. brit. | No | Phaeophyscia orbicularis | 1107 | LC | ||||
| 6477 | Physcia ulothrix var. virella | (Ach.) Cromb. | No | Phaeophyscia orbicularis | 1107 | LC | ||||
| 6478 | Physcia villosa var. dickieana | Linds. (1859) | No | Teloschistes chrysophthalmos | 1380 | CR B, C2, D NR P | ||||
| 6479 | Physcia virella | (Ach.) Flagey | No | Phaeophyscia orbicularis | 1107 | LC | ||||
| 6480 | Physcia wainioi | Räsänen | No | Physcia caesia | 1114 | LC |