flossflower
Ageratum houstonianum latin

Ageratum houstonianum is toxic to grazing animals, causing liver lesions.

The common garden ageratum is Ageratum houstonianum; the hardy coelestinum.

Ageratum houstonianum and Ageratum conyzoides cause liver lesions and are tumorigenic.

Larvae feed on various Asteraceae species, including Ageratum houstonianum, Bidens pilosa and Calendula officinalis.