1. Species Buellia antarctica A. Massal., 1861
2. Species Buellia chujana Xin Y. Wang, S.Y. Kondr., Lőkös & Hur, 2016
3. Species Buellia evanescens Darb., 1923
4. Species Buellia filsonii C.W. Dodge, 1973
5. Species Buellia frigida Darb., 1910
6. Species Buellia grisea C.W. Dodge & G.E. Baker, 1938
7. Species Buellia haliotrepha Kohlm. & E. Kohlm., 1965
8. Species Buellia illaetabilis I.M. Lamb, 1968
9. Species Buellia lignoides Filson, 1966
10. Species Buellia lisbonensis Werner, 1976
11. Species Buellia melanostola (Hue) Darb., 1923
12. Species Buellia minispora Elix, 2019
13. Species Buellia pallida C.W. Dodge & G.E. Baker, 1938
14. Species Buellia parasema De Not., 1846
15. Species Buellia perlata Darb., 1923
16. Species Buellia pycnogonoides Darb., 1923
17. Species Buellia rodseppelti Elix, 2019
18. Species Buellia russa (Hue) Darb., 1923
19. Species Buellia servilosina Elix & Kantvilas, 2017
20. Species Buellia soredians Filson, 1974
21. Species Buellia subdisciformis (Leight.) Vain., 1890
22. Species Buellia subfrigida Mas. Inoue, 1993
23. Species Buellia subtegens Js. Murray, 1963
24. Species Buellia vilis Th. Fr., 1867
25. Species Buellia anisomera Vain., 1903 accepted as Tetramelas anisomerus (Vain.) Elix, 2018 (unaccepted > junior objective synonym)
26. Species Buellia augusta Vain., 1903 accepted as Amandinea augusta (Vain.) Søchting & Øvstedal, 2004 (unaccepted > junior objective synonym)
27. Species Buellia austropapillata Øvstedal, 2004 accepted as Tetramelas austropapillatus (Øvstedal) Elix, 2017 (unaccepted > junior objective synonym)
28. Species Buellia cladocarpiza I.M. Lamb, 1968 accepted as Tetramelas cladocarpizus (I.M. Lamb) Elix, 2018 (unaccepted > junior objective synonym)
29. Species Buellia copelandii Körb., 1874 accepted as Rhizocarpon copelandii (Körb.) Th. Fr., 1874 (unaccepted > junior objective synonym)
30. Species Buellia darbishirei I.M. Lamb, 1968 accepted as Tetramelas darbishirei (I.M. Lamb) Elix, 2018 (unaccepted > junior objective synonym)
31. Species Buellia falklandica Darb., 1912 accepted as Amandinea falklandica (Darb.) Elix & Kantvilas, 2013 (unaccepted > junior objective synonym)
32. Species Buellia graminicola Øvstedal, in Øvstedal & Lewis Smith, 2001 accepted as Tetramelas graminicola (Øvstedal) Kalb, 2004 (unaccepted > junior objective synonym)
33. Species Buellia grimmiae Filson, 1966 accepted as Tetramelas grimmiae (Filson) Elix, 2018 (unaccepted > junior objective synonym)
34. Species Buellia latemarginata Darb., 1912 accepted as Amandinea latemarginata (Darb.) Søchting & Øvstedal, 2004 (unaccepted > junior objective synonym)
35. Species Buellia nelsonii Darb., 1912 accepted as Tetramelas nelsonii (Darb.) Elix, 2018 (unaccepted > junior objective synonym)
36. Species Buellia occulta Körb., 1860 accepted as Rinodina occulta (Körb.) Sheard, 1967 (unaccepted > junior objective synonym)

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