Houttuynia cordata Thunb. (Native to: Assam, Bangladesh, Cambodia, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, Japan, Korea, Myanmar, Nepal, New York, Ogasawara-shoto, Taiwan, Thailand, Tibet, Vietnam, West Himalaya; Introduced into: Alabama, Austria, Costa Rica, Czechoslovakia as per POWO)
Houttuynia cordata Thunb. (1300-2500 m; Himalaya (Punjab to NEFA), S. Tibet, Assam, Thailand, east to China and Japan)
Species with description & keys in Flora of China (Distribution other than China):
Houttuynia cordata Thunberg [Bhutan, India, Indonesia (?Java), Japan (including Ryukyu Islands), Korea, Myanmar, Nepal, Sikkim, Thailand].