Pau, ?Bull. Inst. Catal. Hist. Nat.  22: 33. 1922?.

Pau, ?Broteria, Ser. Bot. 1926, 22: 119; et in Le Monde des Plantes, 1926, xxvii.No. 163, 6, in obs.?, 1926.

Pau, ?Not. Bot. Fl. Espan. iii. (1889) 34, nomen.?.