If you ever get ambitious and want to learn a little more about plant
ID methods, check out the World of Weeds EWIRM database with over 200
weed id references by state or province.

Several free online tools are listed that allow you to select various
plant features to quickly narrow down the choices to a small set. If
you think you're good, there are also several weed ID quizzes to see
how good you really are?

EWIRM: Nature makes plants, humans make weeds!