| Site | Gridref | TenKm | Quantity | Date | Recorder | More Info | 
              
              
                | Usk (Plas Newydd) | SO376011 | SO30 |  | 30/07/1966 | G.A.N. Horton |  | 
              
              
                | Piercefield Park | ST5294 | ST59 |  | 18/07/1973 | G.A.N. Horton |  | 
              
              
                | Cwmtillery | SO2207 | SO20 |  | 29/07/1974 | G.A.N. Horton |  | 
              
              
                | Hendre Wood | SO4612 | SO41 |  | 20/07/1979 | G.A.N. Horton |  | 
              
              
                | Slade Wood | ST4589 | ST48 |  | 28/07/1980 | G.A.N. Horton |  | 
              
              
                | Hael Wood | SO5207 | SO50 |  | 02/08/1986 | G.A.N. Horton |  | 
              
              
                | Llansoy | SO4402 | SO40 |  | 17/08/1986 | G.A.N. Horton |  | 
              
              
                | Redding's Inclosure | SO5313 | SO51 |  | 02/08/1990 | G.A.N. Horton |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 1 | 10/07/1995 | Sam Bosanquet |  | 
              
              
                | Penyclawdd Wood east | SO441080 | SO40 | 1 | 08/08/1998 | Sam Bosanquet |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 1 | 09/08/1998 | Sam Bosanquet |  | 
              
              
                | Trellech Hill | SO5007 | SO50 | 2 | 17/08/1998 | Sam Bosanquet |  | 
              
              
                | Newport Wetlands Reserve (Uskmouth) | ST333827 | ST38 | 1 | 31/07/2000 | Kevin Dupé |  | 
              
              
                | Marigold Cottage, Llandogo, Gwent | SO52300421 | SO50 | 1 | 07/07/2001 | Simon M Phipps |  | 
              
              
                | Penyclawdd (Dyffryn Wood) | SO459084 | SO40 | 1 | 08/07/2001 | Sam Bosanquet |  | 
              
              
                | Newport Docks | ST332853 | ST38 | 5 | 13/07/2001 | GMRG |  | 
              
              
                | Newport (Marshalls Dredging) | ST327853 | ST38 | 5 | 14/07/2001 | MMBG/GMRG |  | 
              
              
                | Newport Wetlands Reserve (Uskmouth) | ST333827 | ST38 | 1 | 24/07/2001 | Kevin Dupé |  | 
              
              
                | Newport (Gaer Park Lane) | ST290871 | ST28 | 1 | 17/08/2001 | Kevin Dupé |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 1 | 18/08/2002 | Sam Bosanquet |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 1 | 04/07/2003 | Sam Bosanquet |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 2 | 13/07/2003 | Sam Bosanquet |  | 
              
              
                | Newport (Gaer Park Lane) | ST290871 | ST28 | 1 | 22/07/2003 | Kevin Dupé |  | 
              
              
                | Lower Ochrwyth | ST245894 | ST28 | 2 | 08/07/2005 | Richard Clarke |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 1 | 17/07/2005 | Sam Bosanquet |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 2 | 12/07/2006 | Sam Bosanquet |  | 
              
              
                | Dingestow Court garden | SO450096 | SO40 | 2 | 03/08/2007 | Sam Bosanquet |  | 
              
              
                | Marigold Cottage, Llandogo, Gwent | SO52300421 | SO50 | 1 | 22/08/2010 | Simon M Phipps |  | 
              
              
                | Newport Wetlands Reserve (Redhouse Farm) | ST333827 | ST38 |  | 19/07/2011 | Kevin Dupé |  | 
              
              
                | Newport Wetlands Reserve (Redhouse Farm) | ST333827 | ST38 |  | 01/08/2011 | Kevin Dupé |  | 
              
              
                | Undy | ST438871 | ST48 | 1 | 12/07/2012 | Keith Jones |  | 
              
              
                | Llandogo (Elmsfield) | SO531045 | SO50 | Present | 13/07/2012 | Gail Reynolds |  | 
              
              
                | Glyn Road, Penallt | SO527100 | SO51 |  | 18/07/2012 | Ian Rabjohns |  | 
              
              
                | Ochrwyth | ST245884 | ST28 | 1 | 11/08/2012 | Richard Clarke |  | 
              
              
                | Llandogo (Elmsfield) | SO531045 | SO50 |  | 21/07/2013 | Gail Reynolds |  | 
              
              
                | Newport Wetlands Reserve (Redhouse Farm) | ST357834 | ST38 |  | 23/07/2013 | Kevin Dupé |  | 
              
              
                | Hughes Crescent, Chepstow | ST534932 | ST59 | 1 | 25/07/2013 | Nick Felstead |  | 
              
              
                | Hughes Crescent, Chepstow | ST534932 | ST59 | 1 | 25/07/2013 | Nick Felstead |  | 
              
              
                | Lower Ochrwyth | ST244894 | ST28 | 1 | 15/08/2013 | Richard Clarke |  | 
              
              
                | Lower Ochrwyth | ST244894 | ST28 | 1 | 15/08/2013 | Richard M.Clarke |  | 
              
              
                | Newport Wetlands Reserve (Redhouse Farm) | ST32908276 | ST38 | 1 | 03/07/2014 | Kevin Dupé |  | 
              
              
                | Undy | ST438871 | ST48 | 1 | 03/07/2014 | Keith Jones |  | 
              
              
                | Blackwood (Gordon Road) | ST171966 | ST19 | 1 | 13/07/2014 | Kevin Hewitt |  | 
              
              
                | Chepstow (Hughes Crescent) | ST534932 | ST59 |  | 23/07/2014 | Nick Felstead |  | 
              
              
                | Undy | ST438871 | ST48 | 1 | 26/07/2014 | Keith Jones |  | 
              
              
                | Marigold Cottage, Llandogo, Gwent | SO52300421 | SO50 | 1 | 27/08/2014 | Simon M Phipps |  | 
              
              
                | Lighthouse Park | ST299815 | ST28 | 1 | 21/07/2015 | Mel Oxford |  | 
              
              
                | No. 1 reedbed, TATA Steel, Llanwern (sample E1) | ST3585 | ST38 |  | 23/07/2015 | D.J.Gibbs |  | 
              
              
                | Cleddon Bog, Llandogo | SO506039 | SO50 | 1 | 25/07/2015 | Nick Felstead |  | 
              
              
                | Hughes Crescent, Chepstow | ST534932 | ST59 | 1 | 25/07/2015 | Nick Felstead |  |