Sideritis incana var. robusta SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Sideritis incana var. robusta Font Quer in Bol. Soc. Esp. Hist. Nat. 25: 464. 1925≡Sideritis robusta (Font Quer) Peris & al. in Bot. J. Linn. Soc. 103: 35. 1990ContentDistribution Bibliography Distribution Ag Hs Ma Euro+Med: Algeria nativeA; Morocco nativeA; Spain, with Gibraltar and Andorra nativeA Bibliography A. Kew World Checklist of Selected Plant Families