United States, Arkansas, Marion, NPS Rush-Buffalo River Main Campsite (name unk.), at edge of woods. From parking area, hard right towards treeline, approx. halfway to river bank. Presence marked by many thorns.
36.1228333333 -92.5508333333
36.1228333333, -92.5508333333
Edge of hardwood forest opening into a campsite clearing.
Celtis laevigata
Large tree greater than 15 meters tall liberally covered with thorns. Differentiated from other thorny trees by presence of hesperidia and trifoliate leaves.