Sideritis incana var. arairae SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Sideritis incana var. arairae (Maire) Socorro & al. in Lagascalia 16: 117. 1990≡Sideritis incana subvar. arairae Maire in Bol. Soc. Esp. Hist. Nat. 25: 463. 1925ContentDistribution Bibliography Distribution Hs Ma Euro+Med: Morocco nativeA; Spain, with Gibraltar and Andorra nativeA Bibliography A. Kew World Checklist of Selected Plant Families