BioStor
 | Phylogenetic Analysis of Seed Plants and the Origin of Angiosperms Peter R Crane (1985) Annals of the Missouri Botanical Garden 72: 716-793 |
 | The History of Neotropical Vegetation: New Developments and Status Robyn J Burnham and Alan Graham (1999) Annals of the Missouri Botanical Garden 86: 546-589 |