Taxon  Report   3023 
Equisetum hyemale  L.  ssp. affine  (Engelm.) Calder & Roy L. Taylor
Giant scouring rush
Equisetum hyemale ssp. affine
© 2012 Neal Kramer
More photos from
CalPhotos / Calflora
Equisetum hyemale ssp. affine
© 2008 Neal Kramer
Equisetum hyemale ssp. affine
© 2008 Neal Kramer
Equisetum hyemale ssp. affine, a pteridophyte, is a fern that is native to California, is also found elsewhere in North America and beyond.

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Plant Characteristics
and Associations
Equisetum hyemale ssp. affine
© 2008 Keir Morse
Genus: Equisetum
Parent Record Equisetum hyemale
Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities), wetland-riparian
Habitat: streambanks
Wetlands: Occurs usually in wetlands, occasionally in non wetlands
Distribution by County 

Add an Observation of  Equisetum hyemale ssp. affine

Name Status:
Accepted by JEF + JM93
PLANTS accepted name: Equisetum hyemale var. affine
Alternate Names:
(according to)

ICPN: Equisetum hyemale var. affine
More information about  Equisetum hyemale ssp. affine
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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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 17, 2018).

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