12-8-2006 Brown Moss,Shropshire  John Somerville
 pits in the flower sheath
 11-8-2003 Sandbach,Cheshire  John somerville
 yellow glands on the stem
Flowers index
 sheath not fringed
 10-8-2007  Chester,  Paul Shannon
 20-8-2005  Runcorn,Cheshire  John Somerville
 20-8-2005  Runcorn,Cheshire  John Somerville

 Persicaria hydropiper