Helianthemum apenninum subsp. violaceum (Cav.) O. Bolòs & Vigo in Butll. Inst. Catalana Hist. Nat. 38: 80. 1974
Helianthemum apenninum subsp. violaceum in Butll. Inst. Catalana Hist. Nat. 38: 80. 1974
is new combination for Cistus violaceus, Icon. 2: 38. 1793
Helianthemum apenninum subsp. violaceum in Butll. Inst. Catalana Hist. Nat. 38: 80. 1974