United States, Minnesota, Scott, In the Louisville Swamp area. In a dry bedrock prairie/savanna habitat. NW of SW of section;;115N;23W;28
44.7388889 -93.5988889
44.7388889° N,93.5988889° W;collector
Stamens 7-10, anthers white; no compound thorns, short simple thorns present Open-grown, single-stemmed (forked above base) specimen; 3 m tall 10 cm dia; Fruit post-ripe, L=1.05-1.35 cm, W=0.95-1.25 cm, nutlets 2-3 Collected from same stem as WRS 26036 (flowering specimen)