J. flavidus flavidusJ. flavidus
Stomata on culms deeply sunken. Capsule usually shorter than or sometimes as long as the perianth segments. Culms 1–3 mm wide, yellowish-green with 38–90 longitudinal striations. Leaf sheaths golden-brown and glossy at the base. Tufted rhizomatous herb up to 60 cm high. Widespread but uncommon in the area