Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray
Asteraceae
Assumed to be collector (2017 (assumed))
N. H. Holmgren
16732
2017-07-23
23 Jul 2017
Patricia K. Holmgren
United States, Utah, Cache Co., Wellsville Mountains, Mount Pisgah Road, 1.3 km (0.8 mi) east of U. S. Highway 89 and 10.5 km (6.5 mi) west of State Route 165 (town of Paradise).