The production of the Easter lily in northern climates
Bulletin of the U.S. Department of Agriculture ; no. 962.
Griffiths, David, 1867-1935
United States. Bureau of Plant Industry.
Washington, D.C. :U.S. Dept. of Agriculture,1921.
"Contribution from the Bureau of Plant Industry."
NAL: 1 Ag84B no.962
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