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Proctor, M.C.F. & Groenhof, A.C. 1992. Peroxidase isoenzyme and morphological variation in Sorbus L. in South Wales and adjacent areas, with particular reference to   S. porrigentiformis E.F. Warb. Watsonia 19, 21-37; pdf 3.65 MB.

Rich, T.C.G. & Woodruff, E.R. 1992. Recording bias in botanical surveys. Watsonia 19, 73-95; pdf 12.05 MB.

Le Duc, M.G., Hill, M.O. & Sparks, T.H. 1992. A method for predicting the probability of species occurrence using data from systematic surveys. Watsonia 19, 97-105; pdf 2.8 MB.

Foley, M.J.Y. 1992. The current distribution and abundance of Orchis ustulata L. (Orchidaceae) in the British Isles - an updated summary. Watsonia 19, 121-126; pdf 1.9 MB.

Short Notes. Watsonia 19, 131-140. 1992; pdf 3.97 MB.

  • Rubus bloxamii (Bab.) Lees (Rosaceae) with red styles. D.E. Allen.
  • Rubus corbieri Boulay (Rosaceae) in the British Isles. D.E. Allen.
  • A new spiral variant of Juncus effusus L. (Juncaceae). D.M. Henderson.
  • Contributions to a cytological catalogue of the British and Irish flora, 2. P.M. Hollingsworth, R.J. Gornall & J.P. Bailey.
  • The Rosa herbarium of A.H. Wolley-Dod. A.L. Primavesi.
  • Additional records of Sorbus lancastriensis E.F. Warburg (Rosaceae). T.C.G. Rich & M. Baecker.

MacPherson, P. 1993. Colonisation of the Glasgow Garden Festival site three years on: implications for recording. Watsonia 19, 169-179; pdf 3.71 MB.

Brummitt, R.K. & Meikle, R.D. 1993. The correct Latin names for primrose and the oxlip, Primula vulgaris Hudson and Primula elatior. Watsonia 19, 181-183; pdf 1.4 MB.

Short Notes. Watsonia 19, 185-193. 1993. pdf 3.17 MB.

  • Dianthus armeria L. new to Ireland and other rare plants in West Cork. J.R. Akeroyd & K. Clarke.
  • Pilosella x floribunda (Wimmer & Grab.) Arvet-Touvet (Asteraceae) in the British Isles. R.P. Bowman & P.D. Sell.
  • Regenerating Balsam Poplar (Populus candicans Ait.) x Black Poplar (P. nigra L.) (Salicaceae) at a site in Leeds. O.L. Gilbert.
  • Sexual dimorphism in Eriophorum vaginatum L. (Cyperaceae). D.P. Stevens & T.H. Blackstock.
  • Corynephorus canescens (L.) Beauv. (Poaceae) on the west coast of Scotland.  P.J.O. Trist.

Roper, P. 1993. The distribution of the Wild Service Tree, Sorbus torminalis (L.) Crantz, in the British Isles. Watsonia 19, 209-229; pdf 2.35 MB.

Showler, A.J. & Rich, T.C.G. 1993. Cardamine bulbifera (L.) Crantz (Cruciferae) in the British Isles. Watsonia 19, 231-245; pdf 2.06 MB.

Foley, M.J.Y. 1993. Orobanche reticulata Wallr. populations in Yorkshire (north-east England). Watsonia 19, 247-157; pdf 1.45 MB.

Clement, E.J., Gardner, M.F. & Knees, S.G. 1993. Skunkweed (Navarretia squarrosa (Eschsch.) Hook. & Arn.) and other Polemoniaceae in Britain. Watsonia 19, 259-263; pdf 264 kB.

Short Notes. Watsonia 19, 269-178; pdf 3.88 MB.

  • Contributions to a cytological catalogue of the British and Irish flora. 3. A.-K.K.A. Al-Bermani, K.I.A. Al-Shammary, J.P. Bailey & R.J. Gornall.
  • Polygonum maritimum L. in East Sussex (v.c. 14). P.A. Harmes & A. Spiers.
  • White-blossomed Pinguicula grandiflora Lam. (Lentibulariaceae) in the Burren, County Clare, Ireland. E.C. Nelson.
  • Corkscrew Rush (Juncus effusus L. forma spiralis (J. McNab) Hegi) (Juncaceae) in Ireland and Britain. E.C. Nelson.