Calflora, a 501c3 non-profit
Distribution by County   230    
Allium sanbornii  Alph. Wood  var. congdonii  Jeps.
Congdon's onion
Allium sanbornii var. congdonii is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).   CNDDB
Record Count by County

El Dorado: 4 Nevada: 13 Tuolumne: 5
Mariposa: 6 Placer: 6

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: 12/06/2022).