⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-229933, with some changes.

Carex praecox var. polyrrhiza (Wallr.) Boott is a synonym of Carex umbrosa subsp. umbrosa

This name is a synonym of Carex umbrosa subsp. umbrosa .

The record derives from WCSP which reports it as a synonym (record 229933) with original publication details: Ill. Carex 4: 216 1867.