in Webb & Berthelot, Hist. nat. Iles Canar. (Paris) 3(2): 130 (1840). Type locality: Spain, Canary Islands, Tenerife, Cumbre de Erjos, P. B. Webb (FI-WEBB). Lectotypification by Galloway & Jørgensen (1995: 231).
Type locality: Spain, Canary Islands, Tenerife, Cumbre de Erjos, P. B. Webb (FI-WEBB). Lectotypification by Galloway & Jørgensen (1995: 231).