[Chamomile and Pineapple Weeds: The Genus Matricaria in the Mountains and Deserts of the American Southwest]

Western Chamomile, Valley Mayweed, Western Pineappleweed

Matricaria occidentalis

Synonym: Chamomilla occidentalis

Western Chamomile, Valley Mayweed, Western Pineappleweed: Matricaria occidentalis (Synonym: Chamomilla occidentalis) - Western Chamomile, Valley Mayweed, Western Pineappleweed: Matricaria occidentalis (Synonym: Chamomilla occidentalis)

What appears to be western chamomile as seen in a sandy wash in Culp Valley, several miles southwest of Borrego Springs, CA........March 29, 2011.
Paul Slichter