stiff

Tufted hair grass Deschampsia caespitosa with ligule, spikelet, lemma, and leaf cross section showing how each blade is rolled up

Stiff sedge Carex biglowii with rhizome and vegetative tufts, two stigmasm ligule, fruit and glume

Common sedge carex nigra showing root, glume, fruit, ligule detail, stem cross section, and two stigmas