Taxon Report

Equisetum palustre L.

marsh horsetail

Print Report

Classification


Scientific Name:	Equisetum palustre L.
Common Name:	marsh horsetail
Family:	Equisetaceae
Element Code:	PPEQU01050
USDA Plants Symbol:	EQPA
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Unk	Unk
Elevation:	45-1000 (150-3280)
General Habitats:	Marshes and swamps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	3
Global Rank:	G5
State Rank:	S1S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Napa (NAP), San Francisco (SFO)
Quads: Name (Quad Code)
Jericho Valley (3812274), San Francisco North (3712274)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



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.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 January 2025].