Equisetum diffusum

{{Short description|Species of plant in the horsetail family}}

{{More footnotes|date=April 2015}}

{{Speciesbox

| name = Himalayan horsetail

| image =

| image_caption =

| parent = Equisetum subg. Equisetum

| genus = Equisetum

| species = diffusum

| authority = D.Don

}}

The Himalayan horsetail (Equisetum diffusum) is a perennial that averages at 10–25 inches. The Himalayas plant is silica rich and has a rhizomatous stem. This shiny brown stem can have many small hair-like roots and may also grow tubers.