This image was released by the Agricultural Research Service, the research agency of the United States Department of Agriculture, with the ID K7456-1 it is in the public domain.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
