World Distribution : Central Asia to Afghanistan, Europe, North and South America, India, Korea
Literature : Uniyal B.P., Sharma J.R., Choudhery U., Singh D.K. (2007). Flowering Plants of Uttarakhand: A Checklist. Bishen Singh Mahendra Pal Singh: 119; GRIERSON A.J.C. & LONG D.G. (1983). FLORA OF BHUTAN INCLUDING A RECORD OF PLANTS FROM SIKKIM Vol. 1: Part 3. ROYAL BOTANIC GARDEN, EDINBURGH: 604