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 albolutescens (Nyl.) A.L. Sm. (1918) No Kuettlingeria albolutescens 2503 LC NS
6602 Placodium atroflavum (Turner) A.L. Sm. (1918) No Kuettlingeria atroflava 237 CR D NR P Wa
6603 Placodium aurantiacum auct. p.p. No Gyalolechia flavorubescens 254 EN A NS P Eng Sc Wa
6604 Placodium aurantiacum auct. p.p. No Gyalolechia flavovirescens 255 LC
6605 Placodium aurantiacum subsp. irrubescens (Nyl. ex Arnold) A.L. Sm. (1918) No Squamulea subsoluta 262 DD NR Sc
6606 Placodium aurantiacum var. flavovirescens (Wulfen) Nägeli ex Hepp (1853) No Gyalolechia flavovirescens 255 LC
6607 Placodium aurantiacum var. inalpinum (Ach.) Hepp (1857) No Gyalolechia flavovirescens 255 LC
6608 Placodium caesiorufum auct. No Kuettlingeria ceracea 1644 LC
6609 Placodium callopismum (Ach.) Mérat (1821) No Variospora aurantia 239 LC
6610 Placodium callopismum f. thallincolum (Wedd.) Walt. Watson (1930) No Variospora thallincola 282 LC
6611 Placodium callopismum var. brevilobatum (Nyl.) A.L. Sm. (1918) No Variospora flavescens 259 LC
6612 Placodium callopismum var. plicatum (Wedd.) Leight. (1871) No Variospora flavescens 259 LC
6613 Placodium canescens (Dicks.) DC. (1805) Diploicia canescens 491 LC
6614 Placodium cerinellum (Nyl.) Vain. (1899) No Athallia cerinella 242 LC
6615 Placodium cerinum (Hedw.) Nägeli ex Hepp (1853) No Caloplaca cerina 241 LC
6616 Placodium cerinum f. cyanopolium (Nyl.) A.L. Sm. No Caloplaca chlorina 263 LC
6617 Placodium cerinum var. chlorina (Flot.) Körb. No Caloplaca chlorina 263 LC
6618 Placodium cerinum var. stilicidiorum (Vahl) Hepp [orth. error] No Caloplaca stillicidiorum 1991 LC NS
6619 Placodium cerinum var. stillicidiorum (Vahl) Hepp (1857) No Caloplaca stillicidiorum 1991 LC NS
6620 Placodium chalybaeum (Fr.) Nägeli ex Hepp (1853) No Pyrenodesmia chalybaea 243 LC NS
6621 Placodium cirrochroum (Ach.) Rabenh. (1856) No Leproplaca cirrochroa 246 LC
6622 Placodium cirrochroum var. obliterans (Nyl.) A.L. Sm. (1918) No Leproplaca obliterans 270 LC NS
6623 Placodium citrinum (Hoffm.) Hepp (1857), sensu auct. brit. No Flavoplaca citrina s. lat. 247 LC
6624 Placodium concilians (Nyl.) A.L. Sm. No Caloplaca concilians 248 DD NR Sc
6625 Placodium crenulatellum (Nyl.) A.L. Sm. (1918) No Xanthocarpia crenulatella 249 LC
6626 Placodium daedaleum (Sm.) Hook. No Pyxine sorediata Pyxine sorediata (Ach.) Mont., incorrectly reported from the British Isles
6627 Placodium decipiens (Arnold) Leight. (1871) No Calogaya decipiens 250 LC
6628 Placodium dissidens Nyl. (1875) No Rusavskia elegans 1528 LC
6629 Placodium elegans (Link) DC. (1805) No Rusavskia elegans 1528 LC
6630 Placodium erythrocarpum auct. brit. No Kuettlingeria teicholyta 281 LC
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