Black Sedge Casey nigra (L.) Reich. Most common of many Casey species found in bluebeny fields. Spreading by rhizomes and often forming dense mats, especially in wet areas . A grass-like plant but with V-shaped leaves and triangular stems from 10 to 50 cm tall....

Black Sedge Casey nigra (L.) Reich. Most common of many Casey species found in bluebeny fields. Spreading by rhizomes and often forming dense mats, especially in wet areas . A grass-like plant but with V-shaped leaves and triangular stems from 10 to 50 cm tall....

Black Sedge Casey nigra (L.) Reich. Most common of many Casey species found in bluebeny fields. Spreading by rhizomes and often forming dense mats, especially in wet areas . A grass-like plant but with V-shaped leaves and triangular stems from 10 to 50 cm tall....

Black Bulrush Scirptis afrovirens Despite its name, Black bulrush is a large sedge growing up to 1.5 m tall. Stems are triangular and the leaves are V-shaped in cross section. The flowering head is once- but more often twice-branched with short cylindrical spikes born...

Black Bulrush Scirptis afrovirens Despite its name, Black bulrush is a large sedge growing up to 1.5 m tall. Stems are triangular and the leaves are V-shaped in cross section. The flowering head is once- but more often twice-branched with short cylindrical spikes born...

Black Bulrush Scirptis afrovirens Despite its name, Black bulrush is a large sedge growing up to 1.5 m tall. Stems are triangular and the leaves are V-shaped in cross section. The flowering head is once- but more often twice-branched with short cylindrical spikes born...

Black Bulrush Scirptis afrovirens Despite its name, Black bulrush is a large sedge growing up to 1.5 m tall. Stems are triangular and the leaves are V-shaped in cross section. The flowering head is once- but more often twice-branched with short cylindrical spikes born...