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
6601 Placodium aurantiacum subsp. irrubescens (Nyl. ex Arnold) A.L. Sm. (1918) No Squamulea subsoluta 262 DD NR Sc
6602 Placodium aurantiacum var. flavovirescens (Wulfen) Nägeli ex Hepp (1853) No Gyalolechia flavovirescens 255 LC
6603 Placodium aurantiacum var. inalpinum (Ach.) Hepp (1857) No Gyalolechia flavovirescens 255 LC
6604 Placodium caesiorufum auct. No Kuettlingeria ceracea 1644 LC
6605 Placodium callopismum (Ach.) Mérat (1821) No Variospora aurantia 239 LC
6606 Placodium callopismum f. thallincolum (Wedd.) Walt. Watson (1930) No Variospora thallincola 282 LC
6607 Placodium callopismum var. brevilobatum (Nyl.) A.L. Sm. (1918) No Variospora flavescens 259 LC
6608 Placodium callopismum var. plicatum (Wedd.) Leight. (1871) No Variospora flavescens 259 LC
6609 Placodium canescens (Dicks.) DC. (1805) Diploicia canescens 491 LC
6610 Placodium cerinellum (Nyl.) Vain. (1899) No Athallia cerinella 242 LC
6611 Placodium cerinum (Hedw.) Nägeli ex Hepp (1853) No Caloplaca cerina 241 LC
6612 Placodium cerinum f. cyanopolium (Nyl.) A.L. Sm. No Caloplaca chlorina 263 LC
6613 Placodium cerinum var. chlorina (Flot.) Körb. No Caloplaca chlorina 263 LC
6614 Placodium cerinum var. stilicidiorum (Vahl) Hepp [orth. error] No Caloplaca stillicidiorum 1991 LC NS
6615 Placodium cerinum var. stillicidiorum (Vahl) Hepp (1857) No Caloplaca stillicidiorum 1991 LC NS
6616 Placodium chalybaeum (Fr.) Nägeli ex Hepp (1853) No Pyrenodesmia chalybaea 243 LC NS
6617 Placodium cirrochroum (Ach.) Rabenh. (1856) No Leproplaca cirrochroa 246 LC
6618 Placodium cirrochroum var. obliterans (Nyl.) A.L. Sm. (1918) No Leproplaca obliterans 270 LC NS
6619 Placodium citrinum (Hoffm.) Hepp (1857), sensu auct. brit. No Flavoplaca citrina s. lat. 247 LC
6620 Placodium concilians (Nyl.) A.L. Sm. No Caloplaca concilians 248 DD NR Sc
6621 Placodium crenulatellum (Nyl.) A.L. Sm. (1918) No Xanthocarpia crenulatella 249 LC
6622 Placodium daedaleum (Sm.) Hook. No Pyxine sorediata Pyxine sorediata (Ach.) Mont., incorrectly reported from the British Isles
6623 Placodium decipiens (Arnold) Leight. (1871) No Calogaya decipiens 250 LC
6624 Placodium dissidens Nyl. (1875) No Rusavskia elegans 1528 LC
6625 Placodium elegans (Link) DC. (1805) No Rusavskia elegans 1528 LC
6626 Placodium erythrocarpum auct. brit. No Kuettlingeria teicholyta 281 LC
6627 Placodium ferrugineum auct. p.p. (saxicolous) No Bastenia crenularia 253 LC
6628 Placodium ferrugineum (Huds.) Hepp (1870) No Blastenia ferruginea s. lat. 2280
6629 Placodium ferrugineum f. ferruginascens (Nyl.) A.L. Sm. (1918) No Rufoplaca arenaria 235 LC NS
6630 Placodium ferrugineum var. festivum (Ach.) A.L. Sm. (1918) No Blastenia crenularia 253 LC