Ann. Chemie 364: 299 (1909)

Basionym: Peltidea ulorrhiza var. praetextata Flörke ex Sommerf., Suppl. Fl. lapp. (Oslo): 123 (1826).

Note: There are different author citations:
Peltigera praetextata (Flörke ex Sommerf.) Zopf fide Jørgensen et al. (1994: 286)
... (Flörke ex Sommerf.) Vain. fide Wirth et al. (2011: 57)