Calflora, a 501c3 non-profit
Distribution by County   5371    
Marsilea oligospora  Goodd.
Nelson's pepperwort,   Pacific waterclover
Marsilea oligospora is a fern that is native to California, and also found elsewhere in western North America.
Record Count by County

Butte: 3 Nevada: 1 Sacramento: 1 Tehama: 4
Lassen: 9 Placer: 2 Shasta: 1
Modoc: 3 Plumas: 4 Sierra: 4

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/04/2024).