Summary[edit] Description: English: Swertia perennis at Clinton Gulch Dam Reservoir, Colorado, USA. Date: 7 September 2016, 00:15:14. Source: Own work. Author: Kenraiz.
Summary[edit] Description: Čeština: Kropenáč vytrvalý. Date: 2 August 2008, 13:19:52 (according to Exif data). Source: Own work. Author: Martin Vavřík.