First record: RS Adamson, 1910
24
TL 24, R Payne, 19.7.1991, [R].
25
Gamlingay tip edge, 1 flowering plant, AC Leslie, 1977.
26
Papworth Everard, V Morgan, 5.1989, [R].
29
Whittlesey, TCE & SE Wells, 2.8.1998, [R].
35
By FB over stream, bordering new golf course, Toft–Bourn, 338.558, JCA Rathmell, 14.7.1993.
Kingston, Bourn Brook, 340.559, 3 plants, J & P Reynolds, 1992, [R].
Bourn, R Payn, 17.6.1993, [R]; 50-100 plants along Bourn Brook, 324.568, spreading, H Dean, 24.7.1993.
Bourn Brook, 359.556, close to FB, at edge of stream, 1–2m wide with sandy banks and gravel bed, 3 clumps, 2 with pale pink flowers and 1 with dark flowers and seed pods, H Belcher & E Swale, 8.10.1994.
Little Eversden, 35S, C Turner & M Field, 10.7.1995, [R].
Toft, 35M & 35S, C Turner & C Sinclair, 28.7.1999, [R].
37
37Z, GMS Easy, 1974.
44
Ickleton, FH Perring et al., 6.1964.
R. Cam, Ickleton–Whittlesford, 475.494, GMS Easy, 1974.
Stream by Spillers, Whittlesford, JCA Rathmell in litt. to DE Coombe, 26.8.1987.
R. Granta, Whittlesford, 477.485, plentiful along river bank, PD Sell & CD Preston, 16.6.1987.
Near railway, Earls Hook, Whittlesford, 480.483, DE Coombe, 8.9.1997, annot. 2
" OS map.R. Granta at Hinxton, n.c., 1964.
Hinxton ford, of R. Cam, 492.453, SM Walters, 9.7.1968.
R. Granta at Hinxton, 495.448-498.443, GMS Easy, 1979.
R. Granta between Hinxton & Duxford, 492.454, PD Sell & JG Murrell, 17.6.1987.
R. Cam, Hinxton & Ickleton, 494.445, CD Preston & SE Yeats, 1992, [R].
45
Escaping from the Master's garden St John's College, DA Hopwood, 1953.
Near the Vicars Brook, Trumpington, SM Walters, 1953.
Vicars Brook on Coe Fen, J Stirland, 1964.
var. pallidiflora Hook.f., From the Old Abbey House, Cambridge, Miss Hoather, 7.9.1954, det. DE Coombe, CGE.
Paradise, Cambridge, 44-57-, C Newell, 1993-2000, [R].
Barton Road ditch, J Stirland, 1964.
Barton, J Benfield, 1995, [R].
Great Shelford, WH Palmer et al., 1964; Recreation ground, L Bacon, 18.7.1994, [R].
Little Shelford Recreation ground, 456.515, M Powell, 1991, [R].
Grantchester, J Stirland, 1964.
R. Cam, Hauxton, SM Walters, 1968.
Beside R. Cam, Grantchester, 437.559, c. 8 plants, C Turner, 17.7.1969.
R. Cam Whittlesford – Grantchester, 430.531-(500.429), GMS Easy, 1974.
Coton, RH Richens, 10.8.1995, [R].
Haslingfield Countryside Recreation Trust, 45C, J Benfield, 9.8.1996, [R].
Hauxton, 43-52-, G Crompton, PH Oswald et al., 26.6.1995, [R]; 432.527, JCA Rathmell, 8.6.1997, [R].
46
Milton gravel pit, 478.632, GMS Easy, 1970; 479.619, GMS Easy, 1973.
47
Aldreth, R Payne, 24.8.1993, [R].
48
Chatteris, 405.855, GMS Easy, 1971.
49
West End, March, 40-97-, old abandoned garden, MP Hast, 1966.
Waste ground, dump, Hundred Road, March, 409.986, casual fairly well established, GMB Smith, 19.7.1970.
March, GMS Easy, 1970.
54
Apparently well established on the left bank of the Granta just below Chesterford station and therefore just in Cambs, DE Coombe, July-Sept. 1960.
R. Granta, 500.429, GMS Easy, 1974.
56
Ditch by track from Lode Mill to Quy Fen, 522.627, one or two plants, G Crompton & DA Wells, 2.9.1993.
57
Garden escape on the river bank at Ely, RS Adamson, 1910, BM.
Commisioner's Pit, Upware, 539.708, P Stebbings, 1991, [R].
64
Rsv with Urtica, Streetley End, (S side of road near T–junction), c. 615.480, 2 large plants, 1 pink, 1 purple, G Crompton, 13.8.1994.
65
Stetchworth, 639.589, GMS Easy, 1971.
Brinkley, 608.555, GMS Easy, 1972.
30
Parson Drove village, R Payne, 11.7.1990, [R].
40
Elm filled canal, 475.070, GMS Easy, 1972.
