USA, Colorado, Jefferson, Golden, Ranson/Edwards Homestead Open Space Park. Wet alluvial slope above Coal Creek, Stevens parcel immediately south of Ranson/Edwards parcel, 3.55 km west southwest of the GNIS location of Rocky Flats
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)