wood-rush or grass?

wood-rush or grass?

Observation - wood-rush or grass?. Description: no flower stalk on this one, tufted growth in woodland, deep grove in center of leaf-blade, lower stem appears triangular due to shape of leaf-blades.

no flower stalk on this one, tufted growth in woodland, deep grove in center of leaf-blade, lower stem appears triangular due to shape of leaf-blades.