| Isoetaceae | |
|---|---|
| Isoetes lacustris | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Lycopodiophyta |
| Class: | Lycopodiopsida |
| Order: | Isoetales |
| Family: |
Isoetaceae Rchb. |
| Genera | |
Isoetaceae is a family including living quillworts (Isoetes) and comparable extinct herbaceous lycopsids (Tomiostrobus).