Classic texts: King's 1898.
Smallanthus uvedalius
Smallanthus uvedalius (L.) Mack. ex Small.
Engl.: American bearsfoot, hairy leafcup, bearsfoot, leaf cup, uvedalia, yellow bear's-foot, yellow leaf cup, yellow-flower leaf-cup.
Bot. syn.: Osteospermum uvedalia L., Polymnia uvedalia (L.) L.
The Medical Flora of Kansas: Parthenium - Pycnanthemum.
Classic texts: Journals: TNEMA 1882-1883.