Similar species: Black Locust (Robinia pseudoacacia) - Has larger seed pods; stubby thorns. Honey Locust (Gleditsia triacanthos) - Has very large seed pods; large wicked thorns.
PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.
(Range map provided courtesy of the USDA website
and is displayed here in accordance with their
Policies)