Plantago subulata subsp. insularis Nyman, Consp. Fl. Eur.: 618. 1881
Plantago subulata subsp. insularis, Consp. Fl. Eur.: 618. 1881
is basionym for Plantago insularis in Annuaire Conserv. Jard. Bot. Genève 5: 112. 1901
is basionym for Plantago humilis subsp. insularis in Lejeunia, nov. ser., 120: 141. 1987
Plantago subulata subsp. insularis, Consp. Fl. Eur.: 618. 1881