Melandrium triflorum (R. Br.

J. VahlLychnis triflora R. Br.

ex Sommerf.Lychnis sorensenis Boivin Silene sorensenis, the three-flowered campion or Sorensen's catchfly, is a species of plant in the family Caryophyllaceae.

It is found in the tundra of the Canadian Arctic Archipelago, the Northern Russian Far East and Greenland.

[2][3] This species was named after Danish botanist Thorvald Sørensen (1902–1973).