bur reed(n = noun.plant) - marsh plant having elongated linear leaves and round prickly fruit;
is a kind of herb, herbaceous plant
is a member of genus sparganium, sparganium

australian reed grass, buffalo bur, bur, bur fish, bur grass, bur marigold, bur oak, cane reed, common reed, ditch reed, double reed, egyptian paper reed, feather reed grass, giant reed, john reed, reed, reed bunting, reed canary grass, reed grass, reed instrument, reed mace, reed meadow grass, reed organ, reed pipe, reed rhapis, reed section, reed stop, salt reed grass, sand reed, sea reed, trifid bur marigold, vibrating reed, walter reed