Taxon  Report   7410 
Scleranthus annuus  L.  ssp. annuus 
German knotgrass,  Knawel, Scleranthus
Scleranthus annuus ssp. annuus
© 2005 Steve Matson
More photos from
CalPhotos / Calflora
Scleranthus annuus ssp. annuus
© 2014 Jean Pawek
Scleranthus annuus ssp. annuus
© 2014 John Doyen
Scleranthus annuus ssp. annuus, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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Plant Characteristics
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Bloom Period
Scleranthus annuus ssp. annuus
© 2008 Steve Matson
Genus: Scleranthus
Parent Record Scleranthus annuus
agricultural weed
Habitat: disturbed
Wetlands: Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Occurs in non wetlands
Distribution by County 

Add an Observation of  Scleranthus annuus ssp. annuus

Name Status:
Accepted by JEF + JM93
More information about  Scleranthus annuus ssp. annuus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

website references from Google

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 20, 2018).

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