• Red Electrónica de la papa http://www.redepapa.org

• Plant Link Library http://www.dpw.wageningen-ur.nl/links

• British Potato Council http://www.potato.org.uk

• Centro Internacional de la Papa (CIP) http://www.cipotato.org/

• National Potato Council (USA) http://www.npcspud.com

• The Potato Association of America http://www.umaine.edu/

• Wageningen Potato Centre http://www.dpw.wageningen-ur.nl/wpc

• The Dutch-German Potato Collection http://www.genebank.nl/potato

• Global Potato News: the source for online Potato information http://www.potatonews.com/

• SCRI: Commonwealth Potato Collection http://www.scri.sari.ac.uk/cpc

• The European Cultivated Potato Database http://www.europotato.org/