Dwarf Horsetail (Equisetum scirpoides var. striatum)
Actually in the ancient fern family.Dwarf Horsetail has a grass like appearance and is the least invasive species of Scouring Rush. The slender evergreen stems are hollow and jointed. Thick clumps of stems are topped with captivating spore-bearing caps. We have grown fond of this horsetail for bog and water garden combinations. Unlike it's big brothers it's 4-6" always likes to stand tall and and not bend over as much.