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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7171 | Pycnora xanthococca | (Sommerf.) Hafellner (2001) | Yes | Pycnora xanthococca | Hypocenomyce xanthococca Lecidea xanthococca |
579 | VU D2 NR Sc | Pycnora xanthococca | ||
| 7172 | Pycnothelia papillaria | Dufour (1821) | Yes | Pycnothelia papillaria | Cladonia papillaria Cladonia papillaria f. molariformis |
1211 | LC | Pycnothelia papillaria | ||
| 7173 | Pyrenidium actinellum | Nyl. (1865) | Yes | Pyrenidium actinellum | Dacampiosphaeria rivana | 2179 | LC NS | LF | Pyrenidium actinellum | |
| 7174 | Pyrenidium hetairizans | (Leight.) D. Hawksw. (1986) | Yes | Pyrenidium hetairizans | Phaeospora hetairizans | 2180 | NE NR | LF | Pyrenidium hetairizans | |
| 7175 | Pyreniococcus exoriens | (Stirt.) Wheldon & A. Wilson | No | Phaeospora exoriens | 2140 | NE NR | LF | |||
| 7176 | Pyrenocarpon flotowianum | (Hepp) Trevis. | No | Pyrenocarpon thelostomum | 1813 | DD NR | ||||
| 7177 | Pyrenocarpon thelostomum | (Ach. ex J. Harriman) Coppins & Aptroot (2008) | Yes | Pyrenocarpon thelostomum | Thrombium thelostomum Pyrenocarpon flotowianum |
1813 | DD NR | Pyrenocarpon thelostomum | ||
| 7178 | Pyrenochaeta xanthoriae | Diederich (1990) | Yes | Pyrenochaeta xanthoriae | 2672 | parasitic on Xanthoria parietina | NE NR | LF | Pyrenochaeta xanthoriae | |
| 7179 | Pyrenocollema arenisedum | (A.L. Sm.) Coppins | No | Collemopsidium arenisedum | 1889 | NT NR IR | ||||
| 7180 | Pyrenocollema argilospilum | (Nyl.) Coppins | No | Collemopsidium argilospilum | 77 | DD NR IR | ||||
| 7181 | Pyrenocollema bryospilum | (Nyl.) Coppins ex H.F. Fox | No | Frigidopyrenia bryospila | 78 | DD NR | ||||
| 7182 | Pyrenocollema caesium | (Nyl.) R.C. Harris | No | Collemopsidium caesium | 79 | NT NR Sc | ||||
| 7183 | Pyrenocollema elegans | R. Sant. | No | Collemopsidium elegans | 83 | LC NS | ||||
| 7184 | Pyrenocollema halodytes | sensu Coppins in Purvis et al. (1992) | No | Collemopsidium foveolatum | 85 | LC | ||||
| 7185 | Pyrenocollema monense | (Wheldon) Coppins | No | Collemopsidium monense | 86 | LC NS | ||||
| 7186 | Pyrenocollema orustense | (Erichsen) A. Fletcher | No | Collemopsidium halodytes | 87 | LC NS | ||||
| 7187 | Pyrenocollema pelvetiae | (G.K. Sutherl.) D. Hawksw. | No | Collemopsidium pelvetiae | 88 | DD NR | ||||
| 7188 | Pyrenocollema saxicola | (A. Massal.) Coppins (1992) | No | Naetrocymbe saxicola | 90 | LC NS | ||||
| 7189 | Pyrenocollema strontianense | (Swinscow) R.C. Harris | No | Collemopsidium angermannicum | 1890 | NT NS | ||||
| 7190 | Pyrenocollema subarenisedum | (G. Salisb.) Coppins | No | Collemopsidium subarenisedum | 92 | DD NR IR | ||||
| 7191 | Pyrenocollema sublitorale | (Leight.) R.C. Harris | No | Collemopsidium sublitorale | 93 | LC NS | ||||
| 7192 | Pyrenodesmia albolutescens | (Nyl.) S.Y. Kondr. (2020) | No | Kuettlingeria albolutescens | 2503 | LC NS | ||||
| 7193 | Pyrenodesmia alociza | (A. Massal.) Arnold (1884) | Yes | Pyrenodesmia alociza | Caloplaca alociza; Caloplaca variabilis f. acrustacea | 233 | LC NS | Pyrenodesmia alociza | ||
| 7194 | Pyrenodesmia aractina | (Fr.) S.Y. Kondr. (2020) | No | Sanguineodiscus aractinus | 234 | VU D2 NR P Eng | ||||
| 7195 | Pyrenodesmia atroflava | (Turner) S.Y. Kondr. (2020) | No | Kuettlingeria atroflava | 237 | CR D NR P Wa | ||||
| 7196 | Pyrenodesmia chalybaea | (Fr.) A. Massal. (1853) | Yes | Pyrenodesmia chalybaea | Caloplaca chalybaea | 243 | LC NS | Pyrenodesmia chalybaea | ||
| 7197 | Pyrenodesmia neotaurica | (Vondrák, Khodosovtsev, Arup & Søchting) S.Y. Kondr. (2020) | No | Kuettlingeria neotaurica | 2595 | NE | ||||
| 7198 | Pyrenodesmia variabilis | (Pers.) A. Massal. (1853) | Yes | Pyrenodesmia variabilis | Caloplaca variabiis | 284 | LC | Pyrenodesmia variabilis | ||
| 7199 | Pyrenodesmia variabilis var. ecrustacea | (Nyl.) Croz, (1914) | No | Pyrenodesmia alociza | 233 | LC NS | ||||
| 7200 | Pyrenopeziza lettaui | Grummann | No | Unguiculariopsis lettaui | 2258 | LC NS | LF |