Galinsoga parviflora

An introduced annual widespread in the United States, with few, small, white ray florets. Galinsoga quadriradiata is similar, but does not extend into the southwestern United States.

Inflorescences & leaves, near Head of the Ditch Campground in Catron Co., NM, 28 Sep 2006.

Pseudanthia, Head of the Ditch Campground, 28 Sep 2006.