Bromeliaceae family accepted

Eriocaulaceae family accepted

Flagellariaceae family provisionally accepted

Poaceae family accepted

Joinvilleaceae family accepted

Juncaceae Juss. family accepted

Cyperaceae family accepted

Rapateaceae family accepted

Restionaceae family accepted

Thurniaceae family accepted

Typhaceae family accepted

Xyridaceae family accepted

Ecdeiocoleaceae family accepted

Mayacaceae family accepted