 | Louisiana irises. | (1) |
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 | Negative evidence of introgression affecting the stability of Louisiana iris species / L.F. Randolph, Ira S. Nelson, and R.L. Plaisted. Randolph, L. F. (Lowell Fitz), 1894- Ithaca, N.Y. : Cornell University Agricultural Experiment Station, New York State College of Agriculture, 1967. | |
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