Taxon  Report   9902    
Equisetum telmateia  Ehrh.
Giant horsetail
Equisetum telmateia
© 2008 Neal Kramer
Photos from
CalPhotos / Calflora
Equisetum telmateia
© 2011 Phil Pullen
Equisetum telmateia
© 2008 Neal Kramer
Equisetum telmateia, a pteridophyte, is a fern that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations
Equisetum telmateia
© 2007 Dr. Amadej Trnkoczy
Genus: Equisetum
Subspecies and Varieties:
Communities: Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities), wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: streambanks

Name Status:
Accepted by ICPN + PLANTS

More information about  Equisetum telmateia
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
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: Nov 14, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.