Homotypic Synonyms See Note

Basionym Name:
Spiloma tumidulum Ach., [as 'tumidula'] Methodus, Sectio prior (Stockholmiæ): 11 (1803)

Homotypic synonyms:
Arthonia cinnabarina var. tumidula (Ach.) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 320 (1831)
Arthonia gregaria var. tumidula (Ach.) Vain., in Hiern, Cat. Afr. Pl. 2(2): 448 (1901)
Arthonia tumidula (Ach.) Ach., Neues J. Bot. 1(3. Stück): 11 (1806)
Arthonia tumidula f. tumidula (Ach.) Ach., Neues J. Bot. 1(3. Stück): 11 (1806)
Arthonia tumidula var. tumidula (Ach.) Ach., Neues J. Bot. 1(3. Stück): 11 (1806)
Lichen tumidulus (Ach.) DC., in Lamarck, Encycl. Méth. Bot., Suppl. (Paris) 3(1): 353 (1813)
Trachylia gregaria var. tumidula (Ach.) Vain., Bolm Soc. broteriana, Coimbra, sér. 2 6: 171 (1930)