BioStor
 | The Cornaceae in the southeastern United States I K Ferguson (1966) Journal of the Arnold Arboretum 47: 106-116 |
 | The Bases of Angiosperm Phylogeny: Cytology Peter H Raven (1975) Annals of the Missouri Botanical Garden 62: 724-764 |
 | A Contribution to Cytology in Cornales Peter Goldblatt (1978) Annals of the Missouri Botanical Garden 65: 650-655 |