Oenothera perennis (weed)
From Pestinfo-Wiki
Oenothera perennis (weed) L. - (perennial sundrops)
This species is native to temperate parts of North America, but has been introduced into other regions like eastern Asia.
Publications covering Oenothera perennis (weed)
Weed Research (2005) 45, 303-315
A. Légère, F.C. Stevenson and D.L. Benoit (2005)
Diversity and assembly of weed communities: contrasting responses across cropping systems