Species who’s seed only contains one seed leaf and includes the grasses and grass like flowering plants.

Arum maculatum – Lords-and-Ladies – Order: Alismatles – Family: Araceae
Lemna minor – Duckweed – Order: Alismatles – Family: Araceae
Hyacinthoides non-scripta – Bluebell – Order: Asparagales – Family: Asparagaceae
Crocosmia sp – Order: Asparagales – Family: Iridaceae
Iris pseudacorus – Yellow Iris – Order: Asparagales – Family: Iridaceae
Carex pendula – Pendulous sedge – Order: Poales – Family: Cyperaceae
Arrhenatherum elatius – False Oat-grass – Order: Poales – Family: Poaceae
Cynosurus cristatus – Crested Dog’s-tail – Order: Poales – Family: Poaceae
Festuca perennis – Italian Rye-grass – Order: Poales – Family: Poaceae
Holcus lanatus – Yorkshire Fog – Order: Poales – Family: Poaceae
Poa pratensis – Smooth Meadow Grass – Order: Poales – Family: Poaceae
Poa trivialis – Rough Meadow Grass – Order: Poales – Family: Poaceae