- On The Stem-Structure Of Iodes Tomentella Miq. And Certain Other Phytocreneae
- A Monograph Of The Genus Brickellia
- Studies in the Eupatorieae
- Descriptions of New Plants Collected in Mexico by C.G. Pringle, in 1890 and 1891, with Notes Upon a Few Other Species
- Synoptical Flora Of North America, Volume 1, Part 2...

























