Taxa Count: 11

ASTERACEAE

Ambrosia acanthicarpa

Ambrosia artemisiifolia

Ambrosia artemisiifolia var. elatior

Ambrosia chamissonis

Ambrosia chamissonis var. bipinnatisecta

Ambrosia chamissonis var. chamissonis

Ambrosia grayi

Ambrosia psilostachya

Ambrosia trifida

Family Not Defined

Ambrosia salsola

Ambrosia eriocentra