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Hutchinson, G. & Thomas, B.A. 1992. Distribution of Pteridophyta in Wales. Watsonia 19, 1-19
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
Short Notes. Watsonia 19 (1992), 39-41
- Orobanche alba Steph. ex Willd. in Fife (v.c. 85). G.H. Ballantyne
- Re-establishment of a discarded name in Crepis L. (Asteraceae). J.L. Reveal
Book Reviews. Watsonia 19 (1992), 43-51
Obituaries. Watsonia 19 (1992), 53-66
- John Codrington (1898-1991)
- Norah Dawson (1913-1991)
- John Dony (1899-1991)
- Mary Kertland (1902-1991)
- Evan Roberts (1906-1991)
Report. Watsonia 19 (1992), 67-71
Rich, T.C.G. & Woodruff, E.R. 1992. Recording bias in botanical surveys. Watsonia 19, 73-95
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
Stace, C.A., Al-Bermani, A.-K.K.A. & Wilkinson, M.J. 1992. The distinction between Festuca ovina L. and Festuca rubra L. aggregates in the British Isles. Watsonia 19, 107-112
Hipkin, C.R. 1992. Host range and specificity of Orobanche minor Sm. on Cryrnlyn Burrows. Watsonia 19, 113-120
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
Geltman, D.V. 1992. Urtica galeopsifolia Wierzb. ex Opiz (Urticaceae) in Wicken Fen (E. England). Watsonia 19, 127-129
Short Notes. Watsonia 19 (1992), 131-140
- 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.
Plant Records. Watsonia 19 (1993), 141-154
Book Reviews. Watsonia 19 (1993), 155-164
Obituaries. Watsonia 19 (1993), 165-168
- Adrian Leonard Grenfell (1939-1991), by T. Titchen
- William Arthur Sledge (1904-1991), by P.P. Abbott
MacPherson, P. 1993. Colonisation of the Glasgow Garden Festival site three years on: implications for recording. Watsonia 19, 169-179
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
Short Notes. Watsonia 19 (1993), 185-193
- 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.
Book Reviews. Watsonia 19 (1993), 195-200
Obituary. Watsonia 19 (1993), 201-203
- Jocelyn Russell (1905-1992)
Report. Watsonia 19 (1993), 205-207
Roper, P. 1993. The distribution of the Wild Service Tree, Sorbus torminalis (L.) Crantz, in the British Isles. Watsonia 19, 209-229
Showler, A.J. & Rich, T.C.G. 1993. Cardamine bulbifera (L.) Crantz (Cruciferae) in the British Isles. Watsonia 19, 231-245
Foley, M.J.Y. 1993. Orobanche reticulata Wallr. populations in Yorkshire (north-east England). Watsonia 19, 247-157
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
Nelson, E.C. 1993. Who was the author of Montbretia crocosmiiflora? Watsonia 19, 265-267
Short Notes. Watsonia 19, 269-178
- 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.
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