Noun: arrow-grass family
- A family of monocotyledonous bog herbs of order Naiadales
"The arrow-grass family includes several species adapted to marshy conditions";
- Scheuchzeriaceae, family Scheuchzeriaceae, Juncaginaceae, family Juncaginaceae
Derived forms: arrow-grass families
Type of: liliopsid family, monocot family
Part of: Alismales, Naiadales, order Alismales, order Naiadales