CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record equisetum_palustre - Sat, Dec. 4, 2021, 05:48 ET b
Equisetum palustre
common namemarsh horsetail
CalPhotos image
more photos
© 2007 Dr. Amadej Trnkoczy  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 3
LIST 3: We need more information about this plant (Review List).
state rank
S1S3      ranking system key
global rank
G5     G5: demonstrably secure to ineradicable
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (2):
San Francisco South (448B) 3712264, Jericho Valley (532C) 3812274
quad data info

Counties, states, regions:
Lake (LAK), Napa (NAP), San Francisco (SFO), San Mateo (SMT), Alaska (AK), Conneticut (CT), Idaho (ID), Massachusetts (MA), Maine (ME), Michigan (MI), Minnesota (MN), Montana (MT), North Dakota (ND), New Hampshire (NH), New York (NY), Ohio (OH), Oregon (OR), South Dakota (SD), Vermont (VT), Washington (WA), Wisconsin (WI)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)
blooming period unk  
elevation range45 - 1000 meters
Move to List 2? Location, rarity, and endangerment information needed; need quads for LAK and SMT counties. Scarcity poorly understood. NAP Co. occurrence (532C) located in 1994 is perhaps only the second confirmed in CA.
full nameEquisetum palustre L.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  EQPA Element Code  PPEQU01050
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sat, Dec. 4, 2021 from

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