Mat-grass or mat grass may refer to the following plant species:
* ''
Nardus stricta
''Nardus'' is a genus of plants belonging to the grass family, containing the single species ''Nardus stricta'', known as matgrass. It is placed in its own tribe Nardeae within the subfamily Pooideae. The name derives from ancient Greek ' () fro ...
'', native to the Northern Hemisphere
* ''
Axonopus fissifolius
''Axonopus fissifolius'' is a Poaceae, grass species which is often used as permanent pasture.
Common names include common carpetgrass, caratao grass, and Louisiana grass in the United States, and mat grass, narrow-leaved carpet grass, and Durri ...
'', native to the Americas, introduced elsewhere
* ''
Phyla canescens
''Phyla canescens'' is a species of Perennial plant, perennial herbaceous plant in the family Verbenaceae, native to South America. It has been introduced to Australia as an ornamental plant and low-maintenance lawn, but has become naturalised an ...
'', native to South America, introduced elsewhere
{{Plant common name