Taxon  Report   4382 
Isoetes occidentalis  L. F. Hend.
Western quillwort
Isoetes occidentalis
© © 2015 Steve Matson
More photos from
CalPhotos / Calflora
Isoetes occidentalis
© 2015 Steve Matson
Isoetes occidentalis, a pteridophyte, is a fern that is native to California.

Interactive Distribution Map

Observation Hotline
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Plant Characteristics
and Associations
Isoetes occidentalis
© 2015 Steve Matson
Genus: Isoetes
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Isoetes occidentalis

Name Status:
Accepted by JEF + PLANTS + JM93
Alternate Names:
(according to)

ICPN: Isoetes lacustris
PLANTS: Isoetes flettii
PLANTS: Isoetes lacustris ssp. paupercula
PLANTS: Isoetes lacustris var. paupercula
PLANTS: Isoetes paupercula
PLANTS: Isoetes piperi
More information about  Isoetes occidentalis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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: Jun 24, 2018).

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