References
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- Dyer , A.F. , Lindsay , S. and Lusby , P.S. 2001b . Woodsia ilvensis in Britain — last chance or lost cause? . Pteridologist , 3 : 137 – 142 .
- Lusby , P.S. , Lindsay , S. and Dyer , A.F. 2002 . Principles, practice and problems of conserving the rare British fern Woodsia ilvensis (L.) R. Br. . Fern Gazette , 16 : 350 – 355 .
- Lusby , P.S. , Lindsay , S. and Dyer , A.F. 2003 . The role of Botanic Gardens in species recovery: the Oblong Woodsia as a case study . Sibbaldia , 1 : 5 – 10 .
- Mitchell , J. 1980 . Historical notes on Woodsia ilvensis in the Moffat Hills, Southern Scotland . The Fern Gazette , 12 : 6 – 68 .