Horsetail

Equisetum arvense, commonly known as field horsetail or common horsetail, is a species of vascular plant in the horsetail family Equisetaceae. Like all horsetails, it is a type of fern. It is native throughout the Arctic and temperate regions of the Northern Hemisphere. It has two distinct growth forms, a fertile spore--bearing stem and a sterile green stem.

Main Photo Credit: 
"Horsetail (Equisetum arvense), Yukon, Canada" by Stefan Huck, 2024. CC BY-NC 2.0.

Description: Wikipedia