BioStor
 | The Dioscoreaceae in the southeastern United States Ihsan Al-Shehbaz and Bernice Giduz Schubert (1989) Journal of the Arnold Arboretum 70: 57-95 |
 | An Ordinal Classification for the Families of Flowering Plants (1998) Annals of the Missouri Botanical Garden 85: 531-553 |
 | Phylogenetics of Hyacinthaceae Based on Plastid DNA Sequences Martin Pfosser and Franz Speta (1999) Annals of the Missouri Botanical Garden 86: 852-875 |
 | Beaucarnea sanctomariana (Nolinaceae), a new micro-endemic species of Ponytail Palm from the Isthmus of Tehuantepec, Oaxaca, Mexico L Hernández-Sandoval (2001) Novon 11: 50-53 |
 | Brodiaea sierrae (Themidaceae), a new species from the Sierra Nevada foothills of California, U.S.A R E Preston (2006) Novon 16: 254-259 |