Calflora, a 501c3 non-profit
Distribution by County   3971    
Guilleminea densa  (Willd.) Moq.  var. aggregata  Uline & Bray
Guilleminea,   Small matweed
Guilleminea densa var. aggregata is a perennial herb that is not native to California.
Record Count by County

Riverside: 2 Santa Barbara: 2

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: 03/25/2023).