Helianthemum canum subsp. levigatum SynonymySource: Raab-Straube, E. von (2018+): Cistaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Helianthemum canum subsp. levigatum M. Proctor in Watsonia 4: 38. 1957≡Helianthemum oelandicum subsp. levigatum (M. Proctor) D. H. Kent, List Vasc. Pl. Brit. Isles Supp. 1: 36. 1997ContentDistribution Bibliography Distribution ● Br Euro+Med endemic: Great Britain nativeA,B Bibliography A. Stace, C. 2010: New Flora of the British Isles, ed. 3 B. Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press
