Juncus acutiflorus Ehrh. ex Hoffm.
Conservation status: C
First record: Ray, 1660
Gramen junceum aquaticum magis sparsa panicula Water Rush-grasse with a sparsed panicle. Ray,1660,68(71).
Gramen junceum aquaticum magis sparsa panicula Water-Rush-grass, with a sparsed panicle, and joynted leaves the greatest. Ray,1670:150-1.
Juncus nemerosus folio articuloso Martyn,1727,112.
Juncus articulatus b Martyn,1763,8.
Juncus acutiflorus Sharp-flowered Jointed Rush. Relhan,1820.
'Growing amongst fen vegetation of generally higher botanical interest than in the surrounding Washes.' 1992 RSPB Survey Report. 25
Gamlingay. Bab.1860,239.
Gamlingay, HD.ann.
Gamlingay Cinques, (in flower), CE Moss, 31.7.1913, CGE.
A large patch in a damp pt of Gt Heath Wood, Gamlingay, 26.7.1952 at 226.512. DE Coombe, Card index.
Gamlingay, heavily grazed very wet meadow. [Trust meadow] ME Smith & J Greenall, det SM Walters, 4.12.1976.
In depression with a little stream, Gamlingay old park, 226.519, JCA Rathmell, 19.6.1996, [R].
Gamlingay old park, 226.519, DA Wells & G Crompton, 27.6.1996, [R]. 26
Graveley; Newbould. Bab.1860,239. 35
Eltisley. Wimpole. Kingston. Croxton; Newbould. Bab.1860,239. [unconfirmed] 38
Juncu acutiflorus Doddington, Fryer. Bennett,1899,246. 45
Wet meadow, near Hauxton, SM Walters, 19.9.1949, CGE.
At the west edge of old coprolite pools, west of A10 between Trumpington and Hauxton, 43-53-, G Crompton, 13.9.1964, seeds No.69/734 Quart.Res.Camb., CGE.
Madingley-Tetrad E, M Howe, 1989. [unconfirmed] 48
Welches Dam, 46-85-, FH Perring, 25.7.1967.
In species rich fields, Ouse Washes, 497.887, CJ Cadbury, 1992 Survey. 49
Pond near Stonea, JSL Gilmour, 1930. 56
Juncus sylvaticus, Bottisham Fen, L.J., 30.6.1831, BATHG.
Bottisham Fen. Bab.1860,239.
Juncu sp. Burwell, Hb JA Power, 15.6.1835, det as acutiformis by AJ Crosfield; not detable, DA Wells, 1998, RTE. 3332.
Quy Fen, ? SM Walters, n.d. 57
Balks on right hand side of the road from Streatham to Wilberton, CM Lemann, 7.1831, conf. PW Richards, CGE.
Wicken Fen. Bab.ann.Relhan,143.
Fodder Fen, 539.722, P Stebbings, 26.5.1992, [R].
Sedge meadow near Dimmock's Cote, east of river, south of road, 537.723, CD Preston with DA Wells et al., 17.6.1992, CGE.
Upware Pits, CE Moss, 1911.
South Pit, Upware, CEM.ann.
Wicken Fen. Bab.1860,239.
Wicken Fen, West ann.
Wicken, 539.722, P Stebbings, 26.5.1992. 59
Ouse Washes, Welney, V.c.29, 53-92-, FH Perring & BSBI Exc., 31.7.1993, [R].
In species rich fields, Ouse Washes. 518.912, 522.917, CJ Cadbury, 1992 Survey. 65
Wood Ditton. Bab.1860,239. 66
Chippenham Moor, AF.ann.
