Lichen Taxon Dictionary

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
6631 Placodium aurantiacum subsp. irrubescens (Nyl. ex Arnold) A.L. Sm. (1918) No Squamulea subsoluta 262 DD NR Sc
6632 Placodium aurantiacum var. flavovirescens (Wulfen) Nägeli ex Hepp (1853) No Gyalolechia flavovirescens 255 LC
6633 Placodium aurantiacum var. inalpinum (Ach.) Hepp (1857) No Gyalolechia flavovirescens 255 LC
6634 Placodium caesiorufum auct. No Kuettlingeria ceracea 1644 LC
6635 Placodium callopismum (Ach.) Mérat (1821) No Variospora aurantia 239 LC
6636 Placodium callopismum f. thallincolum (Wedd.) Walt. Watson (1930) No Variospora thallincola 282 LC
6637 Placodium callopismum var. brevilobatum (Nyl.) A.L. Sm. (1918) No Variospora flavescens 259 LC
6638 Placodium callopismum var. plicatum (Wedd.) Leight. (1871) No Variospora flavescens 259 LC
6639 Placodium canescens (Dicks.) DC. (1805) Diploicia canescens 491 LC
6640 Placodium cerinellum (Nyl.) Vain. (1899) No Athallia cerinella 242 LC
6641 Placodium cerinum (Hedw.) Nägeli ex Hepp (1853) No Caloplaca cerina 241 LC
6642 Placodium cerinum f. cyanopolium (Nyl.) A.L. Sm. No Caloplaca chlorina 263 LC
6643 Placodium cerinum var. chlorina (Flot.) Körb. No Caloplaca chlorina 263 LC
6644 Placodium cerinum var. stilicidiorum (Vahl) Hepp [orth. error] No Caloplaca stillicidiorum 1991 LC NS
6645 Placodium cerinum var. stillicidiorum (Vahl) Hepp (1857) No Caloplaca stillicidiorum 1991 LC NS
6646 Placodium chalybaeum (Fr.) Nägeli ex Hepp (1853) No Pyrenodesmia chalybaea 243 LC NS
6647 Placodium cirrochroum (Ach.) Rabenh. (1856) No Leproplaca cirrochroa 246 LC
6648 Placodium cirrochroum var. obliterans (Nyl.) A.L. Sm. (1918) No Leproplaca obliterans 270 LC NS
6649 Placodium citrinum (Hoffm.) Hepp (1857), sensu auct. brit. No Flavoplaca citrina s. lat. 247 LC
6650 Placodium concilians (Nyl.) A.L. Sm. No Caloplaca concilians 248 DD NR Sc
6651 Placodium crenulatellum (Nyl.) A.L. Sm. (1918) No Xanthocarpia crenulatella 249 LC
6652 Placodium daedaleum (Sm.) Hook. No Pyxine sorediata Pyxine sorediata (Ach.) Mont., incorrectly reported from the British Isles
6653 Placodium decipiens (Arnold) Leight. (1871) No Calogaya decipiens 250 LC
6654 Placodium dissidens Nyl. (1875) No Rusavskia elegans 1528 LC
6655 Placodium elegans (Link) DC. (1805) No Rusavskia elegans 1528 LC
6656 Placodium erythrocarpum auct. brit. No Kuettlingeria teicholyta 281 LC
6657 Placodium ferrugineum auct. p.p. (saxicolous) No Bastenia crenularia 253 LC
6658 Placodium ferrugineum (Huds.) Hepp (1870) No Blastenia ferruginea s. lat. 2280
6659 Placodium ferrugineum f. ferruginascens (Nyl.) A.L. Sm. (1918) No Rufoplaca arenaria 235 LC NS
6660 Placodium ferrugineum var. festivum (Ach.) A.L. Sm. (1918) No Blastenia crenularia 253 LC