New Charophyte (Stonewort) records
Chara vulgaris
TL(52)92 905,264 19
TQ(51)38 352,871 19
Chara globularis/virgata
TL(52)92 905.264 19
Aldham, nr. Colchester, small pond in north-east corner of Hoe Wood,
abundant and showing all three 'varietal' expressions. Peter & Pamela
Wilson. 19 May 2003. Det: KJA.
Walthamstow Marshes, drainage ditch along northern margin of the
marshes, plentiful and largely exhibiting the longibracteata expression.
August 2003. Same site as recorded in 1986. KJA.
Aldham, nr. Colchester, small pond in north east corner of Hoe Wood, in
small quantity with C vulgaris. Cortex with prominent primary rows giving
ribbed appearance to axes, spine cells not developed into spines, stipulodes
a single row of hemispherical bumps. Thus intermediate between C.
globularis and C. virgata but closer to C. globularis. 19 May 2003. Peter
and Pamela Wilson. Det. and described: KJA.
Chara globularis s.s.
TL(52)60 684,050 18
Hylands Park, Chelmsford, in the Swan Pond. July 2002. Collected Peter
and Pamela Wilson. Det: KJA.
References
ALLEN, GO. (1950) British Stoneworts. Hazsemere N.H.S. Haslemere.
GROVES, J. & BULLOCK-WEBSTER, GR. (1920 & 1924) British Charophyla. Vols. 1 & 2. Ray Society.
1971 Johnson Reprint. London.
WOOD, RD. & IMAHORI, K. (1965) A Revision of the Characeae. First part. Monograph of the
Characeae. Wcinheim.
44
Essex Naturalist (New Series) 21 (2004)