Fimbristylis puberula, commonly called hairy fimbry, is a species of flowering plant in the sedge family (Cyperaceae). It is native to North America, where it has a widespread, but patchy, distribution. The largest populations are in the Southeastern Coastal Plain and the eastern Great Plains.[1] Its natural habitat is in prairies, savannas, and glades. It can be found on both basic and acidic soil.[2]
It is a perennial that produces fruits in late spring and early summer. It has historically been confused with the similar-looking Fimbristylis caroliniana, which is restricted to coastal areas.[3]
Two varieties are recognized. They are:[4]