Ontario Grasses website

Rice Cut Grass
Leersia oryzoides

Other scientific names: Asprella oryzoides, Homalocenchrus oryzoides, Oryza oryzoides, Phalaris oryzoides

French names: Léersie faux-riz

Family: Grass Family (Poaceae)

Group: Grasses

Distinctive features: Tiny downard-pointing barbs that can cause serious cuts.

Leaves: Grass-like, lined with tiny barbs on the underside.

Native/Non-native: Native

Notes: Watch out for this plant if you are hiking along stream courses or in wet areas dressed in short pants! You can get cut up quite badly if you tangle with a patch of this.

Photographs: 59 photographs available, of which 7 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Rice Cut Grass (Leersia oryzoides)

Rice Cut Grass grows along shallow streams where the ground is always wet.

Rice Cut Grass (Leersia oryzoides)

It gets its name from the numerous tiny downward-pointing barbs that line its leaves and stem.

Rice Cut Grass (Leersia oryzoides)

Here is a closeup of these barbs.

Although the barbs are tiny they are very stiff and can deliver a very serious cut.

Rice Cut Grass (Leersia oryzoides)

Barbs along the stem.

Rice Cut Grass (Leersia oryzoides)

Rice Cut Grass (Leersia oryzoides)

Rice Cut Grass Flowers unfurling in August.

Rice Cut Grass (Leersia oryzoides)

A nice patch in the sunlight.

Range map for Rice Cut Grass (Leersia oryzoides)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)