Nick Upton / Common yellow sedge (Carex viridula subsp. oedocarpa) in damp culm grassland, Devon. UK, June.
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Nick Upton / Yellow flag iris (Iris pseudacorus) and Common cottongrass (Eriophorum angustifolium) flowering in a damp meadow bordering Kenfig Pool, Kenfig National Nature Reserve, Glamorgan, Wales, UK, June.
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Linda Pitkin / Common yellow-sedge (Carex demissa) in flower, Chiddingstone Nature Reserve, Kent, England, June.