BioStor
 | Enumeration of the Species of Plants Collected by Dr. C. C. Parry, and Messrs. Elihu Hall and J. P. Harbour, during the Summer and Autumn of 1862, on and near the Rocky Mountains, in Colorado Territory, lat. 39°-41° Asa Gray (1863) Proceedings of The Academy of Natural Sciences of Philadelphia 15: 55-80 |
 | Skizze der vegetationverhältnisse von Santiago in Chile F Meigen (1893) Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 17: 199-294 |
 | The Histogenesis and Evolution of Integuments in Onagraceae Hiroshi Tobe and Peter H Raven (1985) Annals of the Missouri Botanical Garden 72: 451-468 |
 | Boisduvalia, a coma-less Epilobium (Onagraceae) P C Hoch and P H Raven (1992) Phytologia 73: 456-459 |
 | Resolving a nomenclatural and taxonomic problem in Mexican Oenothera sect. Hartmannia (tribe Onagreae, Onagraceae) (2004) Novon 14: 124-133 |