Polygonum aviculare subsp. robertii (Loisel.) O. Bolòs & Vigo in Butl. Inst. Catalana Hist. Nat., Secc. Bot. 38: 86. 1974
Polygonum aviculare subsp. robertii in Butl. Inst. Catalana Hist. Nat., Secc. Bot. 38: 86. 1974
is new combination for Polygonum robertii in Mém. Soc. Linn. Paris 6: 409. 1827
Polygonum aviculare subsp. robertii in Butl. Inst. Catalana Hist. Nat., Secc. Bot. 38: 86. 1974