[Sedges: The Genus Carex in Mt. Adams Country]

Ross' Sedge

Carex rossii

Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii

Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

The photo above shows a close-up of two female spikes of Ross' sedge as seen along the South Climb Trail on Mt. Adams about one quarter mile north of the Cold Springs Trailhead........July 19, 2009.

Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

The photo above shows Ross' sedge as seen in sandy soils along the South Climb Trail on Mt. Adams about one quarter mile north of the Cold Springs Trailhead..........July 19, 2009.

Perigynia of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii) - Perigynia of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

These 2 photos show close-ups of the pubescent perigynia and a subtending brown-striped scale of Ross' sedge as seen along the Pacific Crest Trail about one mile east of Timberline Lodge on Mt. Hood..........August 29, 2008. Note the long, pointed beak at the distal end of the perigynia.

Inflorescences amongst the lower leaves of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

Although out of focus, the photo above shows a close-up of one of the inflorescences of Ross' sedge that can be found amongst the basal leaf tufts (an identifying characteristic) as seen along the South Climb Trail on Mt. Adams about one quarter mile north of the Cold Springs Trailhead.........July 19, 2009.

Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii) - Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

Ross' sedge observed along the Shorthorn Trail #12, Mt. Adams Wilderness.......July 10, 2020.

Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii) - Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

Ross' sedge beginning to bloom along the Willard Springs Trail just north of the headquarters compound, Conboy Lake National Wildlife Refuge.....May 16, 2022.

Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

The photo above shows Ross' sedge as seen in open coniferous forest near 1900' east of the Road K1000 on the southeast side of Mt. Adams.........June 3, 2007. The stiff leaves are 2-4 mm wide and up to 40 cm long.

Inflorescence of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii) - Inflorescence of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

The photo at left shows a close-up of the inflorescence of Ross' sedge as seen along open forest slopes along the Pacific Crest Trail within the mile west of the junction with the Stagman Ridge Trail #12 in the Mt. Adams Wilderness............September 13, 2008. The photo at right shows a close-up of the inflorescence or spike of Ross' sedge as seen in open coniferous forest near 1900' east of the Road K1000 on the southeast side of Mt. Adams.........June 3, 2007. The spikes of this species are androgynous with 1-3 flattened perigynia, each narrow towards the base and widest toward the top.

Inflorescence of Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)i - Ross' Sedge: Carex rossii (Synonyms: Carex deflexa ssp. media, Carex deflexa var. farwellii, Carex deflexa var. rossii, Carex diversistylis, Carex farwellii, Carex novae-angliae var. rossii)

Two additional close-up photographs of Ross' Sedge as seen along the South Climb Trail on Mt. Adams about one quarter mile north of the Cold Springs Trailhead........July 19, 2009.

Paul Slichter