Chenopodium album

This is a highly variable, widely-distributed species. Leaf shape and degree of white-scurfiness are particularly vary, and the plants photographed are on the wide-leafed, nearly glabrous extreme of that variation.

Plant habit, Alamosa Creek, 8/26/06.

Flowers, Alamosa Creek, 8/26/06.

A cauline leaf, Alamosa Creek, 8/26/06.