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Discussion in 'Plants: Identification' started by coelacanth, Nov 28, 2012.
Wet area in Illinois.
#4 looks like Cardamine or a close relative.
Probably Cardamine hirsuta http://oregonstate.edu/dept/nursery-weeds/weedspeciespage/bittercress/bittercress_habit.html
#3 - some Artemisia ?
#4 - can be also Rorippa palustris (some examples here: http://www.butbn.cas.cz/budbank/pages/uk_fotogalerie.htm)
1. Looks like Nasturtium officinale to me, and it's naturalized in Illinois.