Potamogeton coloratus Hornem. Conservation status: N, >3 First record: Henslow, 1833; CM Lemann, 1833 23 In the Ruddry Brook near Ashwell; Fl. Hertf. Bab.1860,248. 29 Whittlesey, AF.cat. Yardy's Pit, Whittlesey, 253.978, JO Mountford, 29.4.1972; 16.6.1975; 31.7.1986. Stonald and Yardy's Pits, 251.978, NP Millar, 27.8.1997. Whittlesey, GMS Easy, 20.7.1975, conf. CD Preston, PVT. Station ground, Whittlesey, 281.962, JO Mountford, 31.7.1986. Whittlesey West Pit, 227.974–234.974, GMS Easy, 18.3.1985, PVT. Stanground, Whittlesey, stream in sand quarry, 219.975, JH Bratton, 26.3.1988, conf. CD Preston. Bassenhally Pit, 285.984,JO Mountford,28.5.1972; 3.6.1972. Bassenhally Pit, uncleared N compt. 25–98–, JO Mountford, 31.7.1986. Lattersey Hill, Whittlesey, 28–96–, JO Mountford, 31.7.1986, [R]. Lattersey Hill (Railway Lakes), 282.962, NP Millar, 3.9.1997. Submerged stands, Guildenberg Pits, 285.969, M. Wade, n.d., (as P. lucens), det CD Preston & NF Stewart UTLM. Drysides near Stanground, 219.975, JH Bratton, 26.3.1988, det. CD Preston, BRC. Print out. Drysides near Stanground, 220.975, P Hollingsworth & CD Preston, 6.2.1992, BRC Print out. Guildenburgh Water, (diving pit), 284.968, NP Millar, 2.9.1997. Saxon Brickworks, 256.973, NP Millar, 29.8.1997. King's Dyke Nature reserve, Whittlesey: central pool, 248.976, 250.975; nearby pool, 249.975, NP Millar, 20.8.1997. Scrambling area, King's Dyke N.R., 253.977, NP Millar, 27.7.1997. Central pit, S of main road, 249.970, 250.970, NP Millar, 29.8.1997. 35 Great Eversden; Newbould. Bab.1860,248. 38 Doddington Turf–fen. Bab.1860,248. Dykemoor, AF.cat. West Moor Chatteris, Bennett & Fryer, 23.7.1886,det Dandy & Taylor, BM. Near the Way Head, Chatteris, A Fryer, 14.1.1888, det Dandy & Taylor, BM. Turf Fen, CR Billups, 22.7.1892, det Dandy & Taylor, BM & AF.Flora. Chatteris, A Fryer, J.Bot.1899. 39 Benwick Fen Dyke, CR Billups, 28.7.1892, det Dandy & Taylor, LTR. Benwick, Turf Fen near Parsonware Drove, A Fryer, 3.9.1892, det Dandy & Taylor, CGE & AF.ann. & AF.cat. Turf Fen, Parsonware Drove, 6.10.1892, det Dandy & Taylor, BM. Parsonware Drove, Benwick, A Fryer, 31.8.1897, det. Dandy & Taylor BM. [not in BRC print out] Benwick, A Fryer, J.Bot,1899. 44 Melbourn Common. Bab.1860,248. Fowlmere RSPB Reserve, 408.457, JH Bratton, 28.6.1986, CGE. Watercress Beds, Fowlmere, 407.457, James Cadbury, 13.7.1991, conf. CD Preston, CGE. [not found in CGE.] Fowlmere Watercress Beds, PD Sell, 26.8.1996, [R]. ––––––––––––––––– Sawston Fen; WWN. Bab.MS.Fl.3:781. Sawston Moor; Newbould. Bab.1860,248. Sawston Fen, WP Hiern, 19.8.1863, det Dandy & Taylor, PVT. Abund. in ditch in Selinum field, Sawston Moor, grounds of Sawston Hall, SM Walters & FH Perring 13.9.1960, det. Dandy, CGE. Shallow ditch by Sawston Hall, 491.490, PD Sell 65/390, with G Crompton, 24.6.1965, det Dandy, CGE. BM. 45 Shelford Common, 12.6.1833, JS Henslow, det. Dandy & Taylor, CGE. Brick–pits by the Ely road. Bab.1860,248. Pond near Cambridge, RS Adamson, 8.8.1908, det Dandy & Taylor, BM. Pond, Barton Road & Grantchester Lane, deep water form, CE Moss, 6.10.1910, det Dandy, CGE. In a fairly fast running stream along the E boundary of Dernford Fen, nr Gt Shelford, 12.3.1946. With flowering spikes in bud–arrested growth of last season? Hb DEC/241–3. DE Coombe, Card Index. Ditch E of Dernford Fen, Gt Shelford, 12.3.1946, 3 sheets, DE Coombe Herbarium Nos. 241, 242, 243. Dernford Fen, SM Walters, M Proctor, PD Sell 53/04, KM Goodway, & R Parker, 2.3.1953, det Dandy & Taylor, CGE. BM. LTR. Gogmagog District, CE Moss, 3.1914, det Dandy & Taylor, BM. 47 Grunty Fen, Hb CM Lemann, 6.1833, det A Bennett 1894, CGE. Grunty Fen near Witchford, A Fryer, 4.1892 & 1.10.1892, det Dandy, CGE. Rive Moor, [?47] Sutton, A Fryer, 4.5.1888, det. Dandy & Taylor BM. [not in BRC printout] 48 By Langwood Fen Drove, A Fryer, 23.6.1881, det Dandy & Taylor, BM & AF.cat. [?48] Brokers Hall Farm, Chatteris, A Fryer, 23.8.1886. det Dandy & Taylor, LTR. Byal Fen, AF.Flora. Mepal, AF.cat. Welches Dam, 15.7.1883, A Fryer, det Dandy & Taylor, BM. Welch's Dam by Forty Foot Drain, A Fryer, 1.9.1887, det Dandy & Taylor, BM. Welch's Dam by Forteys Hall Farm, A Fryer, 12.8.1887, det Dandy & Taylor, BM. Ditch by the Old Bedford, Welches Dam, A Fryer, 10.1888, det Dandy & Taylor, CGE. Welch's Dam, Old Bedford Wash, A Fryer, 10.1.1888, det Dandy & Taylor, BM & AF.cat. Welches Dam, A Fryer, 13.9.1888, det Dandy & Taylor, CGE. Ditch by Kings Farm, Welch's Dam, A Fryer, 10.1.1888, det Dandy & Taylor, BM. Ditch by Bosworth's Land, Welches Dam, A Fryer, 23.1.1888, det Dandy, CGE. Welch's Dam, A Fryer, 31.8.1892, det Dandy & Taylor, BM. Counter Drain, Welches Dam, RCL Howitt, 6.9.1959, det Dandy, CGE. BM. Counter Drain, Welches Dam, 470.859, – 25.9.1969. Pool near King's Farm, JO Mountford, 6.8.1987, [R]. Manea, AF.cat. Manea Pit, with P. alpinus, RCL Howitt, 6.9.1959, det CD Preston, 1988, CGE. det Dandy & Taylor, BM. Pit at Manea, 482.891, RCL Howitt, 6.9.1959, det Dandy, CGE. Witcham, AF.cat. Turf Fen, AF.Flora. Sutton North Fen, AF.Flora., 49 Fire Lots, Wimblington, AF.cat. Dyke near Wimblington, GW Chapman, 1932. Horsemoor, March, AF.Flora. drain W of Latches Farm, 427.918, CD Preston, 19.7.1986. Pond in pit in gravel workings, W of Boot's Bridge, Wimblington, 437.912, in fairly shallow water with P. crispus, P. pectinatus & P. perfoliatus, CD Preston, 19.7.1986, CGE. 55 Ditch S of Fulbourn, W Hillhouse, 19.7.1878, det Dandy & Taylor, BIRM. Brook, Fulbourn, A Shrubbs, 28.6.1881, det Dandy & Taylor, CGE. Fulbourn, HG Carter & TG Tutin, 1932. Fulbourn Fen,TG Tutin, 9.7.1938, det Dandy & Taylor, BM. Ditch, Fulbourn, EA George, 1940. Ditch, Fulbourn Fen, very fine, EA George, 4.1949. Fulborne Fen, 9.5.1949 – but all dredged out by 30.6.1949. DE Coombe, Card Index. Fulbourn Fen, G Halliday, 5.8.1953, det Dandy & Taylor, LTR. Chalk stream, Fulbourn, several vigorous patches, CD Preston, 20.8.1988. ...Teversham Fen, 9.5.1949 – but all dredged out by 30.6.1949. DE Coombe, Card Index. Quy Water above the railway bridge, Fulbourn, 1878, abundantly, Bab.ann. Ditch, Short Drove, Lt Wilbraham Fen, 521.596, CD Preston & G Crompton, 22.6.1989, CGE. [ not found in CGE]. In a drain between arable fields, Fulbourn, c.527.582, M Gurney & C Turner, 25.9.1999, [R]. 56 Made an excursion into Bottisham Fen:... In the clay pits,... a Potamogeton that appeared to be new to me. Jenyns,JNH,26.6.1827. Potamogeton rufescens may supposed to be the red looking species in Bottisham fen – but whether the plant now called so I really don't know. Henslow,1859. Bottisham –fen, JS Henslow, 15.5.1828, det. Dandy & Taylor, CGE. P. plantagineus Bottisham Fen, 1829, Hb Dalton, HJW Cat.1283. P. plantagineus ... Bottisham Fens, 29.5.1829, J Dalton! Bennett,1899,246. P. plantagineus ... the writer... has also gathered it in the fens of Cambridgeshire (1830).... C.C.B. Suppl.Eng.Bot.3(1843):2848. Bottisham Fen, CC Babington, 5.1830, det Dandyr> Bottisham fen. 5.1830. Bab.MS.Fl.3:781. P. plantagineus... I possess a sample of it, gathered by myself in Bottisham fen, Cambridgeshire. C.C.B. Oct. 1838. Ann.Nat.Hist. (Jan.1839), 2:350. Bottisham... Fens. Bab.1860,248. Bottisham Fen, WP Hiern, 12.6.1875, PVT. Bottisham Fen,... 14.4.1949. DE Coombe, Card Index. –––––––––––––––––––––––––––––––––––––––––––––– Burwell Fen 1829, Hb Dalton, HJW Cat.1283. P. plantagineus Burwell Fen, 29.5.1829, J Dalton! Bennett,1899,246. Burwell Fen, W Borrer, 9.1838, det. Dandy & Taylor, K. Burwell Fen, A Bennett, 4.8.1880, det Dandy & Taylor, BM. Burwell Fen, H & J Groves, 6.7.1887, det Dandy & Taylor, BM. Burwell Fen, RS Adamson, 7.10.1909, det Dandy & Taylor, BM. Burwell fen, AH Evans, 7.10.1909, Hb A Fryer, det Dandy & Taylor, CGE. Cow Bridge, Swaffham Bulbeck,1829, WA Trevelyan, det. Dandy & Taylor, NCE. Ditch near Swaffham Prior, H Gilbert–Carter, 14.8.1942, det. Dandy, CGE. Stow cum Quy Fen, RS Adamson, 25.7.1909, det Dandy & Taylor, BM. Quy Fen, 14.4.1949. DE Coombe, Card Index. Stow cum Quy Fen, DM Griffin, 14.7.1952, det. Dandy, CGE. Stow cum Quy Fen, SM Walters, 10.8.1963. Ditch S end of Howe's Dyke, Wicken Fen, 544.697, CD Preston, 2.7.1988. 57 Wicken Fen, n.c., 27.6.1859, det. Dandy & Taylor, NCE. ... Wicken Fen. Bab.1860,248. Wicken Fen, WP Hiern, 10.6.1863, det. Dandy & Taylor, PVT. Wicken Fen, RS Adamson, 14.7.1909, det. Dandy & Taylor BM. Wicken Fen, EF Warburg, c.1937. Wicken Fen, SA Taylor, 5.8.1938, det. Dandy & Taylor, LIV. Wicken Fen, E end, 560.703, JO Mountford & GMB Smith, 27.5.1969. Wicken Fen, by windmill, JO Mountford, 6.11.1982. Abund. Monk's Lode, St Edmund's Fen, 56–70–, JM Lock, 8.1972, det. Dandy,? CGE. [not found in CGE.] NE side, St Edmund's Fen, 56–70–, abundant, JM Lock, 8.1972, det. Dandy & Taylor, CGE. [not found in CGE.] In small fenland dyke, N end of Sedge Fen Drove, Wicken Fen, 561.705, in water 35cm deep, JM Croft & CD Preston 87/26, (specimen for illustration),1.7.1987, CGE. Dyke, S of windpump, N edge of Sedge Fen Drove, Wicken Fen, 561.705, CD Preston 88/1 (same population as Preston 87/26), CGE. Wicken Fen, 56–70–, PH Oswald & U3A group, 10.7.1995, [R]. 58 Sandy's Cut; Newbould. Bab.1860,248. West Fen, Ely. Bab.1860,248 & AF.ann. Near Ely, H & J Groves, 2.6.1884, det. Dandy & Taylor BM. Dyke near Ely by–pass, 554.847, GMS Easy, 20.7.1986. Pit near old Bedford river, A Fryer, 25.9.1884, det. Dandy & Taylor BM. 66 Chippenham Fen, [?A Fryer], 26.7.1884, det. Dandy & Taylor BM. Chippenham Fen, A Fryer, 15.6.1886, det Dandy, CGE. det. Dandy & Taylor BM. Chippenham Fen, ditches, CEM ann. Near Poor's Fen, Chippenham, ND Simpson, 10.8.1947, det. Dandy & Taylor BM. Chippenham Fen, ditch between Compartments 10 & 12, 649.690, CJ Cadbury, 13.8.1986. Chippenham Fen, dyke at N end of Boundary Ride, 643.694, CD Preston et al, 19.6.1986. Chippenham Fen, small new pond (dug 9.1985), 643.695, CD Preston, 19.6.1987. Chippenham Fen, W side of Main Ride, 650.692, CD Preston, 19.6.1987. Chippenham Fen, E side of Pigeon's Ride, 651.694, in water 60cm deep in clear spring–fed dyke 2.5m wide, growing under a dense raft of P. natans, CD Preston 87/16, 19.6.1987, CGE. Chippenham Fen, E side of Pigeon's Ride, 651.694, in water 65cm deep in clear spring–fed dyke 2.5m. wide, leaves floating on or just under the water surface, some green but most reddish brown,CD Preston 87/17, 19.6.1987, CGE. Chippenham Fen, 66P, DA Wells, PH Oswald & U3A group, 17.6.1996, [R]. Parish dyke, Snailwell Poor's Fen, 643.692, DA Wells, PH Oswald & U3A group, 17.6.1995, [R].
