Equisetum and Horsetail

Equisetum noun - Horsetails; coextensive with the family Equisetaceae.

Horsetail and equisetum are semantically related. In some cases you can use "Horsetail" instead a noun "Equisetum".

Horsetail noun - Perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America.

Equisetum and horsetail are semantically related. You can use "Equisetum" instead a noun "Horsetail".