• Anon. 1973. Tables of temperature, relative humidity, precipitation and sunshine for the world. Part III. Europe and the Azores. London : HMSO, 1972.
  • Baskin JM, Baskin CC. 1984. Germination ecophysiology of the woodland herb Osmorhiza longistylis (Umbelliferae). American Journal of Botany 71: 687692.
  • Baskin JM, Baskin CC. 1985. Seed germination ecophysiology of the woodland spring geophyte Erythronium albidum. Botanical Gazette 146: 130136.
  • Baskin JM, Baskin CC, McCann M. 1988. A contribution to the germination ecology of Floerkea proserpinacoides (Limnanthaceae). Botanical Gazette 149: 427431.
  • Bewley JD, Black M. 1982. Physiology and biochemistry of seeds in relation to germination, vol. 2. Berlin : Springer-Verlag.
  • Fenner M. 1991. The effects of the parent environment on seed germinability. Seed Science Research 1: 7584.
  • Frost-Christensen H. 1974. Embryo development in ripe seeds of Eranthis hiemalis and its relation to gibberellic acid. Physiologia Plantarum 30: 200205.
  • Grime JP, Hodgson JG, Hunt. R. 1988. Comparative plant ecology. A functional approach to common British species. London : Unwin Hyman.
  • Harmes P. 1986. Seed morphology in Arum maculatum L. Watsonia 16: 176177.
  • Hilhorst HWM, Karssen CM. 1989. Nitrate reductase independent stimulation of seed germination in Sisymbrium officinale L. (hedge mustard) by light and nitrate. Annals of Botany 63: 131137.
  • International Seed Testing Association. 1985. International rules for seed testing. Rules 1985. Seed Science and Technology 13: 299355.
  • Kulkarni AR, Dosi D, Monoj VM. 1990. Fruit and seed structure in Araceae. Proceedings of the Indian Academy of Sciences (Plant Sciences) 100: 6169.
  • Mumford PM. 1988. Alleviation and induction of dormancy by-temperature in Impatiens glandulifera Royle. New Phytologist 109: 107110.
  • Murashige T, Skoog F. 1962. A revised medium for rapid growth and bioassay with tobacco tissue cultures. Physiologia Plantarum 15: 473497.
  • Pons TL. 1989. Breaking of seed dormancy by nitrate as a gap detection mechanism. Annals of Botany 63: 139143.
  • Prime CT. 1960. Lords and ladies. London : Collins .
  • Roberts EH, Ellis RH. 1989. Water and seed survival. Annals of Botany 63: 3952.
  • Sawhney R, Quick WA, Hsiao AI. 1985. The effect of temperature during parental vegetative growth on seed germination of wild oats (Avena fatua L.). Annals of Botany 55: 2528.
  • Scott R, Sargant E. 1898. On the development of Arum maculatum from the seed. Annals of Botany 12: 399414.
  • Sowter FA. 1949. Arum maculatum L. The biological flora. Journal of Ecology 37: 207219.
  • Terui K, Okagami N. 1989. Dormancy in Dioscorea: rapid germination of detached embryos from dormant seeds of D. tokoro. Plant Cell Physiology 30: 287293.
  • Thompson PA, Cox SA. 1978. Germination of the bluebell (Hyacynthoides non-scripta (L.) Chouard) in relation to its distribution and habitat. Annals of Botany 42: 5162.
  • Von Abrams GJ, Hand ME. 1956. Seed dormancy in Rosa as a function of climate. American Journal of Botany 43: 712.
  • Wattam WEL. 1938. Notes on seeds and seedlings. The Naturalist June 1: 183184.
  • Wiesner LE, Grabe DF. 1972. Effect of temperature preconditioning and cultivar on ryegrass (Lolium sp.) seed dormancy. Crop Science 12: 760764.