Gymnadenia widderi SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Gymnadenia widderi (Teppner & E. Klein) Teppner & E. Klein in Phyton (Horn) 38: 222. 1998≡Nigritella widderi Teppner & E. Klein in Phyton (Horn) 25: 318. 1985≡Nigritella rubra subsp. widderi (Teppner & E. Klein) H. Baumann & R. Lorenz in J. Eur. Orch. 37: 718. 2005ContentDistribution Bibliography Distribution Au Ge It Euro+Med: Austria, with Liechtenstein nativeA; Germany nativeA; Italy, with San Marino and Vatican City nativeA Bibliography A. Kew World Checklist of Selected Plant Families