United States, Pennsylvania, Centre, University Park
in field
original seed source Williamsburg, AZ, P. Grun, 1961-09-29, no voucher
this specimen was originally park of H. A. Wahl's unfinished massive study of Chenopodiaceae taxonomy- see his paper: A preliminary study of the genus Chenopodium in North America, Bartonia (1954) 27:1-46. Wahl was curator of PAC.