Xanthium strumarium L.
Determiner: Ian Shackleford (20 September 2011)
Ian Shackleford 774
Verbatim Date: 2019-9-20
United States, Wisconsin, Iorn, North side of the Iorn Horse Trail, used by off-road vehicles and snowmobiles.
Disturbed, flat, open ground. Full sun.
This is the first time I've seen this species in northern Wisconsin or the Upper Peninsula of Michigan.
Record Id: 4f23dac5-be1e-4aa1-a587-6adac68e91af
Occurrence ID (GUID):