Botany 39: 484-497. 1953, The comparative morphology and relationships of the Magnoliaceae. II. Significance of the pollen. Phytomorphology 3: 355-3651955, The comparative morphology and relationships of the Magnoliaceae. An Evolutionary Basis for Pollination Ecology - Page 376 by S. C. Willemstein - 1987 - 425 pages Limited preview -
|