討論:Echinacea
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Echinacea；Ill. Fl. N. U.S. (Britton & Brown), ed. 2. 3: 475, (1913).；https://www.biodiversitylibrary.org/page/812393#page/483/mode/1up
- Echinacea；Flora of North America @ efloras.org；http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=111203
