Homotypic Synonyms See Note

Basionym Name:
Lecidea exigua Chaub., in Saint-Amans, Fl. agen.: 478 (1821)

Homotypic synonyms:
Biatora exigua (Chaub.) Fr., Lich. eur. reform. (Lund): 278 (1831)
Biatora exigua var. exigua (Chaub.) Fr., Lich. eur. reform. (Lund): 278 (1831)
Lecidea elaeochroma var. exigua (Chaub.) H. Olivier, Fl. Lich. Orne 2: 211 (1884)
Lecidea parasema subsp. exigua (Chaub.) Nyl., Flora, Regensburg 56(5): 72 (1873)
Lecidea parasema var. exigua (Chaub.) Nyl., Act. Soc. linn. Bordeaux 21(4): 370 (1857)
Xanthosyne varians subsp. exigua (Chaub.) Brodo, López de Silanes, Lendemer, R.C. Harris & McMullin, in Brodo, Lendemer, Harris, McMullin, López de Silanes, van Miltenburg, Bull, Paradis & Ginter, Bryologist 127(2): 202 (2024)