References
- Clapham , A. R. , Tutin , T. G. and Warburg , E. F. 1962 . Flora of the British Isles, , 2nd Edit Cambridge
- Coombe , D. E. and Frost , L. C. 1956a . The heaths of the Cornish serpentine . J. Ecol. , 44 : 226
- Coombe , D. E. and Frost , L. C. 1956b . The nature and origin of the soils over the Cornish serpentine . J. Ecol. , 44 : 605
- de Silva , B. L. T. 1934 . The distribution of calcicole and calcifuge species in relation to the content in the soil of calcium carbonate and exchangeable calcium and to soil reaction . J. Ecol. , 22 : 532
- Ferreira , R. E. C. 1959 . Scottish Mountain vegetation in relation to geology . Trans. Bot. Soc. Edinb. , 37 : 229
- Hope-Simpson , J. F. 1938 . A chalk flora on the Lower Greensand: its use in interpreting the calcicole habit . J. Ecol. , 26 : 218
- Jones , E. W. 1958 . An annotated list of British hepatics . Trans. Brit. Bryol. Soc. , 3 : 353
- McVean , D. N. and Ratcliffe , D. A. 1962 . Plant communities of the Scottish Highlands London (Nature Conservancy Monograph No. I)
- Ratcliffe , D. A. 1960 . Montane plants in Ross-shire and Sutherland . Trans. Bot. Soc. Edinb. , 39 : 107
- Richards , P. W. and Wallace , E. C. 1950 . An annotated list of British mosses . Trans. Brit. Bryol. Soc. , 1 App. 1
- Rorison , I. H. 1960a . Some experimental aspects of the calcicole-calcifuge problem. I. The effects of competition and mineral nutrition upon seedling growth in the field . J. Ecol. , 48 : 585
- Rorison , I. H. 1960b . The calcicole-calcifuge problem. II. The effects of mineral nutrition on seedling growth in solution culture . J. Ecol. , 48 : 679
- Rune , O. 1953 . Plant life on serpentines and related rocks in the north of Sweden . Acta Phytogeogr. Suec , 31
- Salisbury , E. J. 1920 . The significance of the calcicolous habit . J. Ecol. , 8 : 202 (1952). Downs and dunes. London
- Spence , D. H. N. 1957 . Studies on the vegetation of Shetland. I. The serpentine debris vegetation of Unst . J. Ecol. , 45 : 917
- Spence , D. H. N. 1958 . The flora of Unst, Shetland, in relation to the geology . Trans. Bot. Soc. Edinb. , 37 : 163
- Spence , D. H. N. 1959 . Studies of the vegetation of Shetland. II. Reasons for the restriction of the exclusive pioneers to serpentine debris . J. Ecol. , 47 : 641
- Steele , D. 1955 . Soil pH and base status as factors in the distribution of calcicoles . J. Ecol. , 43 : 120