Taxon Report

Equisetum palustre L.

marsh horsetail

Print Report


Taxon Summary

Equisetum palustre, commonly known as marsh horsetail, is a perennial rhizomatous herb in the Equisetaceae that is found in California and elsewhere. It occurs within Marshes and swamps, growing at elevations from 45 to 1000 meters. Equisetum palustre is ranked 3, Plants About Which We Need More Information, A Review List.


  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:

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
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)

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:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 March 2025].