Clumped stems, about 50 cm tall, growing on the side of a path by a swamp. Leaves wiry, not septate.
Location: Europe > Portugal > Azores
Date Photo Taken: August 13, 2015
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This seems to be the "elusive" Juncus rugulosus.
Stems about 50cm tall, growing in sand on the edge of a road. About 1 m from a ditch with cattails.