Equisetum

Etymology
From +.

Hyponyms

 * , - subgenera
 * (field horsetail, common horsetail) - type species; (scouring rush, rough horsetail),  (variegated horsetail),  (meadow horsetail, shade horsetail, ), ,  (dwarf horsetail),  (great horsetail),  (water horsetail),  (wood horsetail) - selected other species