Carex viridula


Carex viridula, known as little green sedge, green sedge, or greenish sedge, is a small flowering plant native to North America, Europe, Asia, and Morocco.

Taxonomy

Carex viridula is in the section Carex sect. Ceratocystis, a circumboreal group with around six other species, although the taxonomy of this group is controversial, and up to 19 species have been recognized.
Flora of North America accepts the following three subspecies and two varieties of Carex viridula:
  • Carex viridula subsp. brachyrrhyncha
  • *Carex viridula var. elatior
  • *Carex viridula var. saxilittoralis
  • Carex viridula subsp. oedocarpa
  • Carex viridula subsp. viridula
There is also variety Carex viridula var. bergrothii .
Kew's Plants of the World Online considers Carex viridula a synonym of Carex oederi, and accepts two varieties:
  • Carex oederi var. bergrothii
  • Carex oederi var. ''oederi''

Conservation status

It is listed as endangered in Connecticut and Pennsylvania. It is listed as threatened in Illinois.