Hybridization of wild plants /
MacDougal, D. T.
Hybridization of wild plants / D. T. MacDougal - Chicago : University of Chicago Press, 1907 - 45-58 p. : ill. ; 25 cm - Botanical gazette ; 43 .
Hybridization of wild plants / D. T. MacDougal - Chicago : University of Chicago Press, 1907 - 45-58 p. : ill. ; 25 cm - Botanical gazette ; 43 .