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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6901 | Porpidia crustulata | (Ach.) Hertel & Knoph (1984) | Yes | Porpidia crustulata | Huilia crustulata Lecidea crustulata |
564 | LC | Porpidia crustulata | ||
| 6902 | Porpidia flavicunda | auct. brit. p.max.p. | No | Porpidia flavocruenta | 2398 | name or specific epithet valid but has been misused in the past | LC NS | |||
| 6903 | Porpidia flavicunda | (Ach.) Gowan (1989) | Yes | Porpidia flavicunda | Huilia flavocaerulescens auct. p.p. Lecidea flavicunda Porpidia flavocaerulescens auct. p.p. |
1791 | LC NS | Porpidia flavicunda | ||
| 6904 | Porpidia flavocaerulescens | (Hornem.) Hertel & A.J. Schwab (1984), nom. rejic. | No | Porpidia flavicunda | 1791 | LC NS | ||||
| 6905 | Porpidia flavocaerulescens | auct. [sorediate taxon] | No | Porpidia melinodes | 565 | LC NS | ||||
| 6906 | Porpidia flavocruenta | Fryday & Buschbom (2005) | Yes | Porpidia flavocruenta | 2398 | LC NS | Porpidia flavocruenta | |||
| 6907 | Porpidia glaucophaea | (Körb.) Hertel & Knoph | No | Porpidia rugosa | 566 | LC | ||||
| 6908 | Porpidia grisea | Gowan | No | 118 | incorrectly reported from the British Isles, BLS number no longer used | |||||
| 6909 | Porpidia hydrophila | (Fr.) Hertel & A.J. Schwab (1984) | Yes | Porpidia hydrophila | Huilia hydrophila Lecidea hydrophila |
567 | LC | Porpidia hydrophila | ||
| 6910 | Porpidia irrigua | Orange (2014) | Yes | Porpidia irrigua | 2637 | NE NR | Porpidia irrigua | |||
| 6911 | Porpidia islandica | Fryday, Knoph & Hertel (2005) | Yes | Porpidia islandica | 2405 | DD NR | Porpidia islandica | |||
| 6912 | Porpidia lowiana | Gowan (1989) | Yes | Porpidia lowiana | 2403 | CR D NR | Porpidia lowiana | |||
| 6913 | Porpidia macrocarpa f. macrocarpa | Yes | Porpidia macrocarpa f. macrocarpa | Porpidia macrocarpa Huilia macrocarpa Lecidea macrocarpa |
568 | LC | Porpidia macrocarpa f. macrocarpa | |||
| 6914 | Porpidia macrocarpa f. nigrocruenta | (Anzi) Fryday (2005) | Yes | Porpidia macrocarpa f. nigrocruenta | Huilia nigrocruenta Lecidea nigrocruenta |
2399 | LC NR | |||
| 6915 | Porpidia melinodes | (Körb.) Gowan & Ahti (1993) | Yes | Porpidia melinodes | Huilia flavocaerulescens auct. p.p. Huilia melinodes Lecidea melinodes Porpidia flavocaerulescens auct. p.p. |
565 | LC NS | Porpidia melinodes | ||
| 6916 | Porpidia musiva | (Körb.) Hertel & Knoph | No | Porpidia cinereoatra | 562 | LC | ||||
| 6917 | Porpidia musiva | No | 1888 | BLS number no longer used | ||||||
| 6918 | Porpidia nadvornikiana | (Vězda) Hertel (1984) | Yes | Porpidia nadvornikiana | 2402 | NT NR Sc | Porpidia nadvornikiana | |||
| 6919 | Porpidia nigrocruenta | (Anzi) Diederich & Sérus. (1988) | No | Porpidia macrocarpa f. nigrocruenta | 2399 | LC NR | ||||
| 6920 | Porpidia ochrolemma | (Vain.) Brodo & R. Sant. (1995) | Yes | Porpidia ochrolemma | 76 | DD NR | Porpidia ochrolemma | |||
| 6921 | Porpidia pachythallina | Fryday (2005) | Yes | Porpidia pachythallina | 2400 | LC NR | Porpidia pachythallina | |||
| 6922 | Porpidia platycarpoides | (Bagl.) Hertel (1987) | Yes | Porpidia platycarpoides | Huilia platycarpoides Lecidea albocaerulescens auct. p.p. Lecidea percontigua |
571 | LC | Porpidia platycarpoides | ||
| 6923 | Porpidia rugosa | (Taylor) Coppins & Fryday (2005) | Yes | Porpidia rugosa | Huilia glaucophaea | 566 | LC | Porpidia rugosa | ||
| 6924 | Porpidia soredizodes | (Lamy ex Nyl.) J.R. Laundon (1989) | Yes | Porpidia soredizodes | Huilia soredizodes Lecidea soredizodes |
1690 | LC | Porpidia soredizodes | ||
| 6925 | Porpidia speirea | (Ach.) Kremp. (1861) | Yes | Porpidia speirea | Lecidea speirea Lecidea subumbonella |
774 | LC | Porpidia speirea | ||
| 6926 | Porpidia striata | Fryday (2005) | Yes | Porpidia striata | 586 | LC NS | Porpidia striata | |||
| 6927 | Porpidia superba f. sorediata | Fryday (2005) | Yes | Porpidia superba f. sorediata | 930 | sorediate morph | LC NR | Porpidia superba f. sorediata | ||
| 6928 | Porpidia superba f. superba | (Körb.) Hertel & Knoph (1984) | Yes | Porpidia superba f. superba | 1705 | LC NS | Porpidia superba f. superba | |||
| 6929 | Porpidia thomsonii | Gowan (1989) | Yes | Porpidia thomsonii | 2404 | NE NR | Porpidia thomsonii | |||
| 6930 | Porpidia tuberculosa | (Sm.) Hertel & Knoph (1984) | Yes | Porpidia tuberculosa | Huilia tuberculosa Lecidea tumida |
572 | LC | Porpidia tuberculosa |