Useful websites

• Seed biology and conservation
• Educational material - mainly seeds and fruits
• Plant genetic resources and conservation - national and international bodies
• Plant biology - biodiversity, systematics, evolution, ecology, etc.
• Images of plants
• UK native seed suppliers
• Other 

Seed biology and conservation

• The Seed Biology Place Dr Gerhard Leubner, Frieburg
• United States Department of Agriculture, Agricultural Research Service:  National Center for Genetic Resources Preservation
• The Society of Commercial Seed Technologists
• The Seed Biology group mailing list (google groups)
• The International Society for Seed Science - ISSS
• Seed germination conditions for gardeners
• Tree seed germination   

Educational material - mainly seeds and fruits

• Botany Online -The Internet Hypertextbook  from Hamburg University
• A simple fruit type classification with diagrams  Horticulture and Crop science - Ohio state
• Another key to fruit types California State University
• Key to identify major fruit types Wayne's world
• Wind dispersal of seeds (Waynes World)
• Ransom Seed laboratory, USA knowledge base of native seeds
• American Association of Official Seed Analysts  

Plant genetic resources and conservation - national and international bodies

• Search ENSCOBASE the database of the European Native Seed Conservation Network (ENSCONET)
• World Conservation Monitoring Centre
• The System-wide Information Network for Genetic Resources (SINGER)
• Bioversity International
• Natural England purpose is to protect and improve England’s natural environment 
• Botanical Society of the British Isles
• Flora locale restoring and protecting wild plant communities in the UK
• United States Department of Agriculture : Plants National Database also images of species
• UK Biological Records Centre terrestrial and freshwater species recording
• Greening Australia protecting and restoring Australian landscapes
• UK Department for Environment, Food & Rural Affairs
• UK Plant Genetic Resources Group   plus many useful links
• UK Genetic Resources for Food and Agriculture
• Food and Agriculture Organisation of the U.N.
•  World Information and Early Warning System on Plant Genetic Resources (WIEWS)
• International Tree Foundation
• Plantlife International - wild plant conservation charity
• Botanic Gardens Conservation International  world-wide conservation of threatened plants  

Plant biology - biodiversity, systematics, evolution, ecology

•  "Intute": Health and life sciences - useful reference material
• Deep Green Green Plant Phylogeny Research Coordination Group, (University of California, Berkeley)  
• Plant biodiversity mapping, Universität Bonn
• Department of Agriculture and Food -Western Australia Weed risk assessment and climate analysis  
• Australian National Herbarium, Centre for Plant Biodiversity Research
• Society for Experimental Biology - Resources and information on Biology and Biochemistry 
• Species 2000 - indexing the world's know species
• Florabase - Western Australia
• American Society of Plant Biologists
• Society for Ecological Restoration International
• Flowering Plant Gateway - various higher level classifications compared  
• The Angiosperm Phylogeny website Missouri Botanical Gardens
• 9th ISSS International Conference on Seed Biology, Olsztyn, Poland, July 2008
• LEDA Traitbase - a collaborative database of species traits for the NW European flora, including seed and regeneration
• New World Fruits database Bioversity International 
• Arable Seed Identification System (ASIS) - Scottish Crop Research Institute, Dundee, UK
• The Seedsite - website devoted entirely to seeds written by an enthusiastic gardener
• Glossary of seed and seedling terms http://www.ibiblio.org/botnet/glossary/a_xii.html  

Images of plants

• Flora of Europe - a photographic herbarium, quite old but some useful plant images  
• Thomas Schoepke's plant image gallery
• Images from Curtis' Botanical Magazine
• Digital Flora of Texas - Vascular plant image library 
• BioImages Site with information and high quality images of the UK flora and fauna and links to other image catalogues.
• Tropical fruit photos by Ian Maguire
• USDA Natural Resources Conservation Service photo gallery   

UK native seed suppliers

• British Wildflower Plants - UK native seed and plant supplies
• Landlife Wildflowers - UK native seed supplies
• Herbiseed - UK native seed supplies
• Emorsgate Wild Seeds - UK native seed supplies
• Scotts Wildflowers
• ECOFLORA Fairtrade and Organic florist, Canada  

Other

• The British Library homepage
•  National Geospatial Intelligence Agency (USA) worldwide place names and location 
• Seed and Plant Sanctuary for Canada