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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3871 | Lecidea atrocinerea | Hook. (1833) | No | Rinodina atrocinerea | 1281 | LC | ||||
| 3872 | Lecidea atrofulva | Sommerf. | No | Miriquidica atrofulva | 700 | LC NS | ||||
| 3873 | Lecidea atrogrisea | (Delise) Linds. (1872) | No | Bacidia laurocerasi | 155 | LC | ||||
| 3874 | Lecidea atroides | Walt. Watson | No | Tephromela atra var. atra | 630 | LC | ||||
| 3875 | Lecidea atropurpurascens | Nyl. (1873) | No | Catinaria atropurpurea | 183 | LC L* | ||||
| 3876 | Lecidea atrorufa | (Dicks.) Ach. | No | Lecidoma demissum | 806 | LC NS | ||||
| 3877 | Lecidea aurantiaca | auct. | No | Gyalolechia flavorubescens | 254 | EN A NS P Eng Sc Wa | ||||
| 3878 | Lecidea auriculata | Th. Fr. (1861) | Yes | Lecidea auriculata | 701 | LC NS | Lecidea auriculata | |||
| 3879 | Lecidea auriculata subsp. brachyspora | Th. Fr. | No | Lecidea brachyspora | 704 | currently a synonym but may be adopted as the correct name in the future | LC NS | |||
| 3880 | Lecidea auriculata var. diducens | (Nyl.) Th. Fr. | No | Lecidea diducens | 715 | LC NS | ||||
| 3881 | Lecidea baliola | Nyl. (1876) | No | Catillaria baliola | 1863 | NE NS | ||||
| 3882 | Lecidea bauschiana | (Körb.) Lettau | No | Brianaria bauschiana | 873 | LC | ||||
| 3883 | Lecidea berengeriana | (A. Massal.) Nyl. (1866) | Yes | Lecidea berengeriana | Mycobilimbia berengeriana | 702 | DD NS | Lecidea berengeriana | ||
| 3884 | Lecidea berengeriana var. lecanodes | (Nyl.) Nyl. ex Cromb. (1893) | No | Lecidea berengeriana | 702 | DD NS | ||||
| 3885 | Lecidea berengeriana var. perileuciza | Nyl. ex Cromb. | No | Lecidea berengeriana | 702 | DD NS | ||||
| 3886 | Lecidea botryiza | Nyl. ex Stirt. (1873) | No | Brianaria lutulata | 882 | LC | ||||
| 3887 | Lecidea botryoides | (Nyl.) Zahlbr. | No | Micarea botryoides | 874 | LC | ||||
| 3888 | Lecidea botryosa | (Fr.) Th. Fr. | No | Hertelidea botryosa | 703 | NT NR Sc | ||||
| 3889 | Lecidea brachyspora | (Th. Fr.) Nyl. (1887) | Yes | Lecidea brachyspora | Lecidea auriculata subsp. brachyspora | 704 | LC NS | Lecidea brachyspora | ||
| 3890 | Lecidea breadalbanensis | Stirt. | No | Japewia tornoensis | 786 | VU D2 NR Sc | ||||
| 3891 | Lecidea brujeriana | (Schaer. ex Dietr.) Leight. | No | Ainoa mooreana | 1433 | LC NS | ||||
| 3892 | Lecidea brujeriana f. ochrodes | Nyl. in Stirt., nomen nudum | No | Ainoa mooreana | 1433 | LC NS | ||||
| 3893 | Lecidea bruyeriana | (Schaer. ex Dietr.) Leight. [orth. error] | No | Ainoa mooreana | 1433 | LC NS | ||||
| 3894 | Lecidea bruyeriana f. ochrodes | Nyl. in Stirt., nomen nudum [orth. error] | No | Ainoa mooreana | 1433 | LC NS | ||||
| 3895 | Lecidea byssoboliza | Nyl. (1879) | No | Aquacidia antricola | 139 | LC NS | ||||
| 3896 | Lecidea cadubriae | (A. Massal.) Th. Fr. | No | Lecanora cadubriae | 1626 | LC NS | ||||
| 3897 | Lecidea caesioatra | Schaer. | No | Frutidella caesioatra | 705 | LC NS | ||||
| 3898 | Lecidea calcivora | (Schaer.) A. Massal. (1853) | No | Clauzadea immersa | 734 | LC | ||||
| 3899 | Lecidea callicarpa | Larbal. ex Leight. | No | ? Brianaria bauschiana | ||||||
| 3900 | Lecidea callista | Stirt. | No | name of uncertain application (type lost) |