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Maternal Effects and Heterosis Influence the Fitness of Plant HybridsHeather Kirk, Klaas Vrieling and Peter G. L. Klinkhamer · New Phytologist · 2005
Pyrrolizidine alkaloid variation in shoots and roots of segregating hybrids between Jacobaea vulgaris and Jacobaea aquaticaDandan Cheng, Heather Kirk, Patrick P. J. Mulder, Klaas Vrieling and Peter G. L. Klinkhamer · New Phytologist · 2011
Leaf Types in the AraceaeThomas S. Ray · American Journal of Botany · 1987
Carpel Anatomy of the BerberidaceaeMarjorie Chapman · American Journal of Botany · 1936
Somaclonal and Gametoclonal VariationD. A. Evans, W. R. Sharp and H. P. Medina-Filho · American Journal of Botany · 1984
Biosystematics of Ruellia tuberosa L. (Acanthaceae)Robert W. Long · American Journal of Botany · 1976
Chromosome Morphology in the Genus SambucusDonald K. Ourecky · American Journal of Botany · 1970
Pollinators of Tropical Dioecious AngiospermsSusanne S. Renner and Jan Peter Feil · American Journal of Botany · 1993
Anatomical Evidence for the MenyanthaceaeAlton A. Lindsey · American Journal of Botany · 1938
Phylogeny of Amorpheae (Fabaceae: Papilionoideae)McMahon, M.; Hufford, L. · American Journal of Botany · 2004