]> GH barcode-02212530 United States of America Arizona Maxwell Tank South, 3.4 miles west of the junction of U.S. 180 along U.S.F.S. Road 222, just north of Wing Mountain. Southern most tank next to Maxwell Spring. Ca. 11 miles west of Flagstaff.; Wing Mtn. Quad. R6E T22N S18 Callitriche palustris Linnaeus Linnaeus 2021-10-29 10:51:38 J. M. Ricketson