[Members of the Sunflower Family with Button-like (Discoid) Flower Heads in the Mountains and Deserts of the American Southwest]

Chamomile and Pineapple Weeds of the Mountains and Deserts of the American Southwest

The Genus Matricaria

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

Western Chamomile: Matricaria occidentalis

Pineapple Weed, Rayless Chamomile: Matricaria discoidea (Synonyms: Chamomilla suaveolens; Santolina suaveolens) - Introduced annual of disturbed places.

Western Chamomile, Valley Mayweed, Western Pineappleweed: Matricaria occidentalis (Synonym: Chamomilla occidentalis) - Native annual of undisturbed moist places.

Paul Slichter E-mail