matgrass

noun

1

a

: matweed sense 1

b

: a low tufted European grass (Nardus stricta) with one-flowered spikelets

c

: spiny rolling grass

2

: knotgrass sense 1

3

: a prostrate perennial herb (Lippia nodiflora) of riverbanks in the southwestern U.S. that is used as a soil binder compare fogfruit

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