Sideritis dubia SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Sideritis dubia Coulomb, Étude Sideritis Français 1: 88. 1999ContentDistribution Bibliography Distribution Ga Ge He Euro+Med: France, with Channel is. and Monaco nativeA; Germany nativeA; Switzerland nativeA Bibliography A. Kew World Checklist of Selected Plant Families