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

Columbia Sedge, Columbian Sedge

Carex aperta

Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula

Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula) - Perigynia of Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula) - Inflorescence of Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula)

Columbian sedge as seen on the northwestern shoreline of Junction Lake, Indian Heaven Wilderness........August 25, 2017. This sedge has 2 stigmas, the perigynia is glabrous and somewhat, thinly inflated with male spikes above the lateral female spike(s).

Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula) - Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula) - Columbia Sedge, Columbian Sedge: Carex aperta (Synonyms: Carex accedens, Carex acutina var. tenuior, Carex stylosa var. virens, Carex turgidula)

Columbian sedge as seen on the northwestern shoreline of Junction Lake, Indian Heaven Wilderness........August 24, 2019. This sedge has 2 stigmas, the perigynia is glabrous and somewhat, thinly inflated with male spikes above the lateral female spike(s).
Paul Slichter