Basionym Name:Ramalina farinacea var. reagens B. de Lesd., Bull. Soc. bot. Fr. 67: 217 (1920)
Homotypic synonyms:Ramalina farinacea subsp. reagens (B. de Lesd.) Werner, Rev. Bryol. Lichénol. 23: 207 (1954)Ramalina reagens (B. de Lesd.) W.L. Culb., Rev. Bryol. Lichénol. 34: 847 (1967)Ramalina subfarinacea var. reagens (B. de Lesd.) D. Hawksw., Bot. Notiser 121: 318 (1968)