Common poppy  (Papaver rhoeas)

Agri-environment schemes: these schemes allow the government to compensate farmers for using methods that benefit the environment. The two main initiatives in the UK are the Countryside Stewardship Scheme and Environmentally Sensitive Areas. Since October 2000 these have formed part of the England Rural Development Programme (EDRP), administered by DEFRA, the Department of Environment Food and Rural Affairs. See: http://www.defra.gov.uk/erdp/erdphome.htm for more on these initiatives
Annual: lives or grows for just one year.
Anther: part of the stamen (the male reproductive organ of a flower) that produces pollen. (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure)
Calcareous: containing free calcium carbonate, chalky.
Naturalised: term used to describe a species that was originally introduced from another country, but becomes established, maintains itself and invades native populations.
Stamen: the male reproductive organ of a flower, it is made up of an anther (the pollen-producing organ) and a filament (stalk). (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure).
Stigma: the receptive part of the female reproductive organ of a flower. Pollen germinates on the stigma. (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure).

1. National Biodiversity Network Species Dictionary (Feb 2003):
   http://www.nhm.ac.uk/nbn
   
2. Clapham, A.R., Tutin, T.G. & Moore, D.M. (1987) Flora of the British Isles. 3rd Edition. Cambridge University Press, Cambridge.
   
3. Preston, C.D., Pearman, D.A. & Dines, T.D. (2002) The New Atlas of the British and Irish Flora. Oxford University Press, Oxford.
   
4. Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
   
5. Press, B. & Gibbons, B (1993) Photographic field guide to wild flowers of Britain and Europe. New Holland Publishers (UK) Ltd, London.
   
6. Plantlife- Common Plant Survey (Feb 2003)
   http://www.plantlife.org.uk/html/get_involved/get_involved_survey_menu.htm#cps