alkali buttercup 
American vetch 
Canada thistle 
Carolina whitlow-grass 
common cattail 
common hops 
rough purple gerardia 
fragrant aster 
giant ragweed 
ground spurge 
hoary cress 
leafy spurge 
marijuana 
musk thistle 
nettle-leaved verbena 
pale umbrella wort 
prairie larkspur 
prostrate vervain 
purple loosestrife 
rough-leaved dogwood 
slender dalea 
virgin’s bower 
Virginia stickseed 
wahoo 
western rock jasmine 
white smartweed 
wild strawberry