Einar Eberhardt (2004)
Plant Life of the Karakorum: The Vegetation of the Upper Hunza Catchment (Northern Areas, Pakistan): Diversity, Syntaxonomy, Distribution
J. Cramer, Berlin, vol. Bd. 387(Bd. 387). Dissertationes botanicae. (ISBN: 3443643000).
Plants – Karakoram Range., Plants – Pakistan – Hunza.