Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray
Asteraceae
N. H. Holmgren
12176
1994-09-03 - 1994-01-24
03 Sep 1994
United States of America, Nevada, Churchill Co., Lahontan Valley, Carson Lake Marsh, Beach Road, 14.5 km (9 mi) air distance southeast of downtown Fallon