Puccinellia macra

Puccinellia macra is a perennial grass which grows on the coasts of south-eastern Canada. Its specific epithet "macra" means large, referring to its tall stature.
Description.
"Puccinellia macra" is cespitose and grows tall. It has cauline leaves with thin, flat blades wide and long, with upper leaves typically longer than lower leaves. Its basal sheaths are somewhat purple. Its linear to cylindrical panicle is long, with appressed and very scabrous floral branches. Its purplish spikelets are long and bear four to six flowers. The first glume is long, hyaline, acute, and has one nerve,
and its second glume is long, narrowly ovate, obtuse, and has three nerves. The oblanceolate palea is long and ciliate on its nerves, with lower cilia longer. The grass flowers in August.
"P. macra" is somewhat unique morphologically in its genus, resembling "Puccinellia nutkaensis" but differing in its softer and more pubescent lemmas.
Habitat and distribution.
"Puccinellia macra" grows on sea cliffs and in coastal sands in eastern Gaspé County in Quebec.