[Sedges: The Genus Carex East of the Cascade Mountains of Oregon and Washington]

Brown Bog Sedge, Buxbaum's Sedge

Carex buxbaumii

Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama

Inflorescence of Brown Bog Sedge, Buxbaum's Sedge: Carex buxbaumii (Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama)

A close-up of the inflorescence of brown bog sedge as seen at a moist meadow at the site of an old (now largely drained) reservoir about one mile upstream from Olive Lake, Umatilla National Forest..........July 28, 2013. From the photos I've observed online of this species, the long bract subtending the inflorescence may or not be present on every specimen.

Perigynia of Brown Bog Sedge, Buxbaum's Sedge: Carex buxbaumii (Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama) - Lateral spike of Brown Bog Sedge, Buxbaum's Sedge: Carex buxbaumii (Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama) - Distinctive reddish-brown base of Brown Bog Sedge, Buxbaum's Sedge: Carex buxbaumii (Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama) - Inflorescence of Brown Bog Sedge, Buxbaum's Sedge: Carex buxbaumii (Synonyms: Carex buxbaumii var. anticostensis, Carex holmiana, Carex polygama)

Close-ups of the inflorescence, perigynia and distinctive reddish-brown base of stem of brown bog sedge as seen at a moist meadow at the site of an old (now largely drained) reservoir about one mile upstream from Olive Lake, Umatilla National Forest..........July 28, 2013. Note the long-awned tips to the pistillate scales.
Paul Slichter