Poa physoclina N.G.Walsh

Caespitose perennial. Culms 15–40 cm high, but weak and readily laid flat. Mid-culm internodes glabrous; nodes usually absent above basal sheaths. Young shoots intravaginal. Leaves: basal sheaths with margins free, not or rarely reddish-pigmented, glabrous or with scattered microscopic hairs; ligule c. 0.3 mm long, truncate, abaxially minutely and sparsely hairy; blade conduplicate, biconvex to nearly terete, 10–20 (–25) cm, long, 0.2–04 mm wide, pointed but not pungent, indistinctly nerved, adaxially minutely pilose, abaxially glabrous or more commonly with minute (

Forming a distinct zonesurrounding salt lakes and saline marshes.