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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5941 | Parmelia alpicola | Th. Fr. | No | Allantoparmelia alpicola | 43 | LC NS | ||||
| 5942 | Parmelia ambigua | (Wulfen) Ach. | No | Parmeliopsis ambigua | 1034 | LC | ||||
| 5943 | Parmelia aquila | (Ach.) Ach. (1803) | No | Anaptychia runcinata | 47 | LC | ||||
| 5944 | Parmelia arnoldii | Du Rietz | No | Parmotrema arnoldii | 984 | NT NS Sc | ||||
| 5945 | Parmelia aspera | A. Massal. | No | Melanohalea exasperata | 995 | LC | ||||
| 5946 | Parmelia borreri | Turner | No | Punctelia borreri | 985 | LC Sc | ||||
| 5947 | Parmelia britannica | D. Hawksw. & P. James | No | Hypotrachyna britannica | 986 | LC | ||||
| 5948 | Parmelia caperata | (L.) Ach. | No | Flavoparmelia caperata | 987 | LC | ||||
| 5949 | Parmelia carneolutea | Turner (1808) | No | Cryptolechia carneolutea | 473 | EN A2, C1+2, D NS P Eng IR | ||||
| 5950 | Parmelia carporrhizans | Taylor | No | Parmelina carporrhizans | 1010 | VU A, C1 NS P Eng Wa | ||||
| 5951 | Parmelia ceratophylla var. physodes | (L.) Schaer. (1840) | No | Hypogymnia physodes | 852 | LC | ||||
| 5952 | Parmelia cetrarioides | (Duby) Nyl. | No | Cetrelia olivetorum s. lat. | 339 | LC | ||||
| 5953 | Parmelia cetrata | auct. brit. | No | Parmotrema reticulatum | 1012 | LC | ||||
| 5954 | Parmelia chloroleuca | (Sm.) Winch & Thornhill (1807) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 5955 | Parmelia circinata | (Pers.) Ach. (1803) | No | Lobothallia radiosa | 124 | LC | ||||
| 5956 | Parmelia claudelii | (Harm.) Vain. | No | Parmotrema stuppeum | Parmotrema stuppeum (Taylor) Hale, incorrectly reported from the British Isles | |||||
| 5957 | Parmelia clementei | (Sm.) Turner | No | Physcia clementei | 1115 | NT NS Sc | ||||
| 5958 | Parmelia clementiana | Ach. | No | Physcia clementei | 1115 | NT NS Sc | ||||
| 5959 | Parmelia columnaris | Taylor | No | Physcia clementei | 1115 | NT NS Sc | ||||
| 5960 | Parmelia coniocarpa | Laurer | No | Parmotrema perlatum | 1008 | LC | ||||
| 5961 | Parmelia conspersa | (Ehrh. ex Ach.) Ach. | No | Xanthoparmelia conspersa | 988 | LC | ||||
| 5962 | Parmelia conspersa var. stenophylla | auct. brit. | No | Xanthoparmelia conspersa | 988 | LC | ||||
| 5963 | Parmelia corniculata | (Lightf.) A.L. Sm. | No | Cornicularia normoerica | 472 | LC | ||||
| 5964 | Parmelia corrugata | (Sm.) Ach. | No | Pleurosticta acetabulum | 982 | LC | ||||
| 5965 | Parmelia crinita | Ach. | No | Parmotrema crinitum | 989 | LC L | ||||
| 5966 | Parmelia cycloselis | (Ach.) Ach. | No | Phaeophyscia orbicularis | 1107 | LC | ||||
| 5967 | Parmelia delisei | (Duby) Nyl. | No | Xanthoparmelia delisei | 990 | LC NS | ||||
| 5968 | Parmelia delisei var. isidiascens | (Nyl. ex Cromb.) Zahlbr. | No | Xanthoparmelia delisei | 990 | LC NS | ||||
| 5969 | Parmelia dilatata | auct. brit. | No | Parmotrema robustum | 1014 | CR D NR P Eng Wa | ||||
| 5970 | Parmelia discordans | Nyl. (1886) | Yes | Parmelia discordans | Parmelia omphalodes subsp. discordans Parmelia omphalodes auct. p.p. |
991 | LC | Parmelia discordans |