Equisetaceae
| Equisetaceae Temporal range:  | |
|---|---|
| Field horsetail (Equisetum arvense) | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Division: | Polypodiophyta | 
| Class: | Polypodiopsida | 
| Subclass: | Equisetidae | 
| Order: | Equisetales | 
| Family: | Equisetaceae Michx. ex DC. | 
| Genera | |
Equisetaceae, also known as the horsetail family, is a family of ferns and the only surviving family of the order Equisetales, with one surviving genus, Equisetum, comprising about twenty species.