Contents of Vol. 23 of Watsonia. Papers only, excluding notes, Plant Records and Obituaries. Papers are provided here free for personal use, but remain copyright of the BSBI and may not be reproduced or sold without permission.

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Preston, C.D. 2000. Engulfed by suburbia or destroyed by the plough: the ecology of extinction in Middlesex and Cambridgeshire. Watsonia 23, 59-81; pdf 1.63Mb.

Bailey, J.P. & Conolly, A.P. 2000. Prize-winners to pariahs - A history of Japanese Knotweed s.l. (Polygonaceae) in the British Isles. Watsonia 23, 93-110; pdf 1.26Mb.

Hollingsworth, M.L. & Bailey, J.P. 2000. Hybridisation and clonal diversity in some introduced Fallopia species (Polygonaceae). Watsonia 23, 111-121; pdf 704kb.

Forbes, R.S. 2000. Assessing the status of Stratiotes aloides L. (Water-soldier) in Co. Fermanagh, Northern Ireland. Watsonia 23, 179-196; pdf 1.27Mb.

Bailey, J.P. 2001. Fallopia x conollyana The Railway-yard Knotweed. Watsonia 23, 539-541; pdf 157kb.