A native of Eurasia, with more rotund lvs cleft only to about the middle, the segments shallowly lobed about the rounded or truncate summit, and with smaller fls, the sep at anthesis 4-5.5 mm, blunt or shortly subulate-tipped, the fr 15-20 mm, is rarely adventive in our range. It might sometimes key to G. molle, but has the mature carpel-bodies hirsute and not wrinkled.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.