Calflora
Taxon  Report   6828    
Potentilla anserina  L.  ssp. pacifica  (Howell) Rousi
Pacific potentilla,  Silverweed
Potentilla anserina ssp. pacifica
© 2007 Neal Kramer
Photos from
CalPhotos / Calflora
Potentilla anserina ssp. pacifica
© 2009 Keir Morse
Potentilla anserina ssp. pacifica
© 2006 Dr. Mark S. Brunell
Potentilla anserina ssp. pacifica, a dicot, is a perennial herb 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



Bloom Period
Potentilla anserina ssp. pacifica
© 2009 Dr. Mark S. Brunell
Communities: Coastal Strand, Coastal Salt Marsh, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: coastal, salt-marsh

Name Status:
Accepted by JEF

PLANTS accepted name:
Argentina egedii ssp. egedii

Alternate Names:
ICPN: Argentina egedei
ICPN: Argentina egedii ssp. egedii
ICPN: Argentina occidentalis
More information about  Potentilla anserina ssp. pacifica
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (AREGE)

Search the International Plants Names Index

Search efloras.org (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: http://www.calflora.org/   (Accessed: Oct 21, 2018).

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