Calflora, a 501c3 non-profit
Distribution by County   7410    
Scleranthus annuus  L.  ssp. annuus 
German knotgrass,   Knawel,   Scleranthus
Scleranthus annuus ssp. annuus is an annual herb that is not native to California.
Record Count by County

Amador: 1 Madera: 5 Plumas: 1 Tehama: 20
Butte: 29 Marin: 5 Riverside: 1 Trinity: 1
Calaveras: 1 Mariposa: 4 Sacramento: 2 Tulare: 1
Colusa: 2 Mendocino: 5 San Benito: 1 Tuolumne: 2
El Dorado: 29 Monterey: 2 San Diego: 9 Yuba: 1
Fresno: 2 Napa: 6 Shasta: 25
Humboldt: 3 Nevada: 15 Siskiyou: 3
Lake: 3 Placer: 3 Sonoma: 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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/16/2024).