2797414 Floating Isolepis, Bristle Stalked Mud Rush, Savi\'s Mud Rush, Round Clustered Headed Mud Rush ? (colour litho) by English School, (19th century); Private Collection; (add.info.: Floating Isolepis, Bristle Stalked Mud Rush, Savi\'s Mud Rush, Round Clustered Headed Mud Rush, Lake Club Rush, Glaucous Club Rush, Triangular Club Rush, Sharp Club Rush. Illustration for The Flowering Plants, Grasses, Sedges and Ferns of Great Britain by Anne Pratt (new edn, Frederick Warne, 1905).); 穢 Look and Learn.