Native : Temperate Old World to Tropical Mountains, Aleutian Islands
Exotic/Native : Native
World Distribution : Temperate Old World to Tropical Mountains, Aleutian Islands and Alabama, Illinois, New Mexico, New York, Tennessee, Vermont
Literature : Uniyal B.P., Sharma J.R., Choudhery U., Singh D.K. (2007). Flowering Plants of Uttarakhand: A Checklist. Bishen Singh Mahendra Pal Singh: 130; GRIERSON A.J.C. & LONG D.G. (1983). FLORA OF BHUTAN INCLUDING A RECORD OF PLANTS FROM SIKKIM Vol. 2: Part 1. ROYAL BOTANIC GARDEN, EDINBURGH: 326