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Rich, T.C.G. & Houston, L. 2006. Sorbus whiteana (Rosaceae), a new endemic tree from Britain. Watsonia 26, 1-7; pdf 201kb.

Robertson, A. & Sydes, C. 2006. Sorbus pseudomeinichii, a new endemic Sorbus (Rosaceae) microspecies from Arran, Scotland. Watsonia 26, 9-14; pdf 493kb.

Smith, C. & Ashton, P.A. 2006. Distinction between the sedges Carex vulpina L. and C. otrubae Podp. and the potential for identification of hybrids. Watsonia 26, 15-25; pdf 867kb.

Foley, M.J.Y. 2006. Epitypification of Carex vulpina L. (Cyperaceae). Watsonia 26, 27-30; pdf 55kb.

Dean, M. & Ashton, P.A. 2006. A reassessment of the distribution of Carex recta Boott (Cyperaceae) in the British Isles. Watsonia 26, 31-39; pdf 100kb.

Smith, P.H. 2006. Changes in the floristic composition of sand-dune slacks over a twenty-year period. Watsonia 26, 41-49; pdf 288kb.

Foley, M.J.Y. & Porter, M.S. 2006. Calamagrostis scotica (Druce) Druce (Poaceae), a Red Data Book Plant: its history, taxonomy, ecology and genetics. Watsonia 26, 51-55; pdf 58kb.

Smith, P.H. 2006. Revisiting Juncus balticus Willd. in England. Watsonia 26, 57-65; pdf 118kb.

Lansdown, R.V. 2006. Notes on the water-starworts (Callitriche) recorded in Europe. Watsonia 26, 105-120; pdf 244kb.

Squirrell, J., Hollingsworth, P.M., Sears, J., Banks, B., Ferry, B., De Graff, D. Th. 2006. Assessment of genetic diversity in populations of Crepis foetida L. (Asteraceae). Watsonia 26, 121-126; pdf 66kb.

Shimwell, D.W. 2006. A Shoddy Tale: perspectives on the wool alien flora of West Yorkshire in the twenty-first century. Watsonia 26, 127-137; pdf 112kb.

Rich, T.C.G. 2006. Conservation of Britain’s biodiversity: Hieracium riddelsdellii (Asteraceae), Riddelsdell’s Hawkweed. Watsonia 26, 139-144; pdf 1.07Mb.

Lansdown, R.V., Stewart, N.F., Kitchen, C. & Kitchen, M.A.R. 2006. The status and conservation of stoneworts (Characeae) in West Gloucestershire (v.c. 34) and North Somerset (v.c. 6). Watsonia 26, 145-169; pdf 228kb.

Foley, M.J.Y. 2006. J.H. Penson: mystery man and mystery record. Watsonia 26, 171-178; pdf 77kb.

Obituaries. Watsonia 26, 197-211 (2006); pdf 167kb.

  • Franklyn Hugh Perring, by C.D. Preston & P.H. Oswald
  • Joyce Lambert, by Martin George & Clive Jermy
  • Richard Fitter, by Peter Marren

Obituary. Stuart Max Walters (1920-2005), by P.D. Sell (2006); pdf 4.95 MB.

Kadereit, J.W. & Westberg, E. 2007. Determinants of phylogeographic structure: a comparative study of seven coastal flowering plant species across their European range. Watsonia 26, 229-238; pdf 837kb.

Gurney, M., Preston, C.D., Barrett, J. & Briggs, D. Hybridization between Oxlip Primula elatior (L.) Hill and Primrose P. vulgaris Hudson and the identification of their variable hybrid P. x digenea A. Kerner. Watsonia 26, 239-251; pdf 2.28Mb.

Preston, C.D. 2007. Which vascular plants are found at the northern or southern edges of their European range in the British Isles? Watsonia 26, 253-269; pdf 527kb.

Pearman, D.A. 2007. ‘Far from any house’ – assessing the status of doubtfully native species in the flora of the British Isles. Watsonia 26, 271-290; pdf 202kb.

Walker, K.J. 2007. The last thirty five years: recent changes in the flora of the British Isles. Watsonia 26, 291-302; pdf 149kb.

Beecroft, R.C., Cadbury, C.J. & Mountford, J.O. 2007. Water Germander Teucrium scordium L. in Cambridgeshire: back from the brink of extinction. Watsonia 26, 303-316; pdf 176kb.

Swan, G.A. & Richards, A.J. 2007. The Eleocharis mamillata H. Lindb. fil. aggregate (Cyperaceae) in the British Isles. Watsonia 26, 317-325; pdf 95kb.

Middleton, R. & Middleton, J.R. 2007. The University of Hull Herbarium. Watsonia 26, 327-338; pdf 1.08Mb.

Page, C.N., McHaffie, H. & Butler, J.K. 2007. A new far northern hybrid horsetail from Scotland: Equisetum xmchaffieae C. N. Page (Equisetum fluviatile L. x E. pratense Ehrh.). Watsonia 26, 339-345; pdf 240kb.

Granados, L. & Lane, S.D. 2007. A fine scale study of selected environmental and floristic parameters in three populations of Euphrasia vigursii (Davey), a rare annual endemic to Devon and Cornwall. Watsonia 26, 347-358; pdf 182kb.

Pashley, C.H., Bailey, J.P. & Ferris, C. 2007. Clonal diversity in British populations of the alien invasive Giant Knotweed, Fallopia sachalinensis (F. Schmidt) Ronse Decraene, in the context of European and Japanese plants. Watsonia 26, 359-371; pdf 553kb.

El-Bakatoushi, R., Richards, A.J. & Wolff, K. 2007. Introgression between Plantago major L. subspecies major and subspecies intermedia (Gilib.) Lange. in a British population. Watsonia 26, 373-379; pdf 84kb.

Tennant, D.JH. 2007. Names and diagnoses for three willow (Salix L.) hybrids discovered recently in Scotland. Watsonia 26, 381-383; pdf 38kb.

Price, D.T. & Rich, T.C.G. 2007. One-way introgressive hybridisation between Sorbus aria and S. torminalis (Rosaceae) in southern Britain. Watsonia 26, 419-432; pdf 367kb.

Codd, R.B. & Rich, T.C.G. 2007. Variation in Asperula cynanchica L. (Rubiaceae) in the British Isles. Watsonia 26, 433-442; pdf 593kb.

Slade, K. & Rich, T.C.G. 2007. Pollen studies in British Hieracium sect. Alpina (Asteraceae). Watsonia 26, 443-450; pdf 167kb.

Rich, T.C.G., Edwards, B. & Pearman, D.A. 2007. Hieracium portlandicum (Asteraceae), a new endemic hawkweed from the Isle of Portland, England related to Hieracium leyanum. Watsonia 26, 451-461; pdf 608kb.

Rich, T.C.G. & Smith, P.A. 2007. Conservation of Britain’s biodiversity: Hieracium cacuminum, Summit Hawkweed (Asteraceae). Watsonia 26, 463-468; pdf 185kb.

Kitchener, G.D. 2007. Rumex patientia L. x R. conglomeratus Murray, a newly described dock hybrid. Watsonia 26, 469-472; pdf 436kb.

Rumsey, F.J. 2007. A reconsideration of Orobanche maritima Pugsley (Orobanchaceae) and related taxa in southern England and the Channel Islands. Watsonia 26, 473-476; pdf 130kb.

Rumsey, F.J. 2007. An overlooked boreal clubmoss Lycopodium lagopus (Laest. ex Hartm.) Zinserl. ex Kusen. (Lycopodiaceae) in Britain. Watsonia 26, 477-480; pdf 123kb.

Margetts, L.J. 2007. A new species of Taraxacum Wigg. (Asteraceae) from south-west England and Ireland. Watsonia 26, 481-484; pdf 245kb.