Native, alien, or invasive?


1) Garlic Mustard (Alliaria petiolata)




2) Black Eyed Susan (Rudbeckia hirta)




3) Sugar Maple (Acer saccharum)




4) Dandelion (Taraxacum officinale)



Photo by Greg Hume

5) Norway Maple (Acer platinoides)




6) Orange Day Lily (Hemerocallis fulva)




7) Japanese Barberry (Berberis thunbergii)




8) Swamp Milkweed (Asclepias incarnata)



Hint



9) Japanese Stiltgrass (Microstegium vimineum)




10) Chicory (Cichorium intybus)



Photo by Joaquim Alves Gaspar