Calflora, a 501c3 non-profit
Distribution by County   4918    
Listera cordata  (L.) R. Br.
Heart leaved twayblade,   Heartleaf twayblade
Listera cordata is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
Record Count by County

Del Norte: 9 Mendocino: 13 Trinity: 1
Humboldt: 84 Siskiyou: 3

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 09/28/2022).