Lugar de publicación
U.S.Bureau of Plant Industry, Bull. 153: 15 (1909)
Referencias
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Skeels (1909)
Skeels , H.C. 1909. Inventor of seeds and plants imported by the Office of Foreign Seed and Plant Introduction, United States Department of Agriculture. Washington, DC. Bulletin, Bureau of Plant Industry, United States Department of Agriculture. Washington, DC 153