Volker Wissemann, C. M. Ritz: The genus Rosa (Rosoideae, Rosaceae) revisited: molecular analysis of nrITS and atpB-rbcL intergenic spacer (IGS) versus conventional taxonomy.Botanical Journal of the Linnean Society, Band 147, 2005, S. 275–290. doi:10.1111/j.1095-8339.2005.00368.x
