Hydrangea sargentiana SynonymySource: Marhold, K. (2011+): Hydrangeaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Hydrangea sargentiana Rehder in Sargent, Pl. Wilson. 1: 29. 1911ContentDistribution Bibliography Distribution [Hb] Euro+Med not endemicA: Ireland, with N Ireland introducedA Bibliography A. 2003: Personal Communication (K.Marhold)