Juncus effusus
![](/Images/godic/202501/05/Juncus_effuses5236.jpg")
![Pupal cases of Coleophora caespitiella on J. effusus.](/Images/godic/202501/05/Soft_Rush_with_cocoons_of_Coleophora_caespitiella5236.JPG")
- "Common Rush" and "Soft Rush" redirect here. Another 'soft rush' species in North America is Juncus interior (interior rush).
Juncus effusus, with the common names Soft rush or common rush, is a perennial, herbaceous flowering plant species in the family Juncaceae.