Grass-like annual forb, prostrate or 2-8cm tall. Leaves alternating along the stems, more or less sheathing at the base, 0.5-2.5cm long, to 1mm wide, linear, hairless to sparsely hairy. Flowers white with a yellow centre, and 0 petals. Flower heads compound, spherical or hemispherical, borne singly at the ends of the stems.
Superficially resembles Isoetopsis graminifolia . The flower heads of Myriocephalus pluriflorus are compound, composed of partial flower heads, while the flower heads of Isoetopsis graminifolia are simple, not composed of partial flower heads.
Description (as Myriocephalus rhizocephalus var. pluriflorus) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 673