Marsh Horsetail

Equisetum palustre, the marsh horsetail, [2] is a perennial herbaceous pteridophyte belonging to the subclass of horsetails (Equisetidae). It is widespread in cooler regions of Eurasia and North America.. Marsh horsetail is found on lake and stream shores, marshes, seeps and pools. It contains two chemicals that have been shown to be poisonous to horses: thiaminase, which breaks down vitamin. Jan 18, 2008 · There are widely scattered occurrences of marsh horsetail throughout the the state. Equisetum palustre is found across the northern tier of the United States, through most of Canada. It may be confused with Field Horsetail (Equisetum arvense) or Meadow Horsetail (E. pratense), both of which have 3 or 4 teeth on the branch sheath where E. palustre has 5 or 6, and solid branches. Equisetum palustre, the marsh horsetail or the humpback, is a plant species belonging to the division of horsetails (Equisetopsida). It is widespread in cooler regions of North America and Eurasia.

Sep 6, 2024 · Marsh horsetail is a perennial herbaceous plant that is predominantly found in wet, marshy areas, including edges of ponds, swamps, and wet meadows. It forms dense colonies and. Known as the "Marsh Horsetail," this plant is a living relic from the Carboniferous period, a time when its ancestors grew as tall as skyscrapers. While it might look like a miniature, prehistoric pine tree, it is. Marsh Horsetail is a characteristic rhizomatous perennial of wet to moist, moderately to slightly base-rich, often calcareous or dolomitic (ie magnesium rich limestone) habitats. Feb 14, 2025 · Habitats: Shallow wet areas with sandy soils, such as marshes and swamps. Edibility: Not edible, but not toxic to humans except in large quantities. However, it is toxic to horses, due to.