Calflora, a 501c3 non-profit
Distribution by County   7987    
Tiarella trifoliata  L.  var. trifoliata 
Threeleaf foamflower,   Trifoliate laceflower
Tiarella trifoliata var. trifoliata is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
California Rare Plant Rank: 3.2 (review list).
Record Count by County

Del Norte: 1 Humboldt: 14 Mendocino: 3 Sonoma: 1

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 12/05/2023).