Rumex hydrolapathum (N)
 20-8-2005 River Thames, Peter Wakeham
 20-8-2005 River Thames, Peter Wakeham
 30-8-2006 West Kirby,Wirral  John Somerville
 26-7-2007 Runnymede,Surrey  Paul Shannon
 28-6-2008  Wicken Fen,   Paul Shannon
 12-7-2008  Audlem,Chesh   John Somerville
 21-7-2008  Willington,Derbys   Paul Shannon
Flowers index
 10-6-2004 Gawsworth,Chesire  John Somerville