bunchgrass

 

English Wikipedia has an article on:

Tussock (grass)

Wikipedia

From bunch +‎ grass.

bunchgrass (countable and uncountable, plural bunchgrasses)

1. Any of various grasses of the family Poaceae that grow in clumps rather than forming a sod or mat.
   • 2017, Hernan Diaz, In the Distance, Daunt Books (2018), page 135:

     With every day, as he kept moving north, bunchgrass became more abundant, and eventually the land turned yellow.

• (clumping grasses): tussock grass

• (clumping grasses): Brachypodium, Calamagrostis, Chionochloa, Deschampsia, Festuca, Heteropogon, Leymus, Melica, Muhlenbergia, Nassella, Stipa - selected genera

• Goldman's bunchgrass lizard