Synthesis of the North American Flora
A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland: Checklist
A Conspectus of the North American Isoetaceae
A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland: Thesaurus
Checklist
Vascular Flora of Georgia
Vascular Plants
Correlations Between Global and Regional Measures of Invasiveness Vary with Region Size
A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland
Herbs of Commerce
Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland
The Vascular Plants of Indiana
Vascular Plants
A Flora of Nevada
Rare Plants
Seventh Catalog of the Vascular Plants of Ohio
A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland. Volume 2, the Biota of North America
The Biota of North America
Synthesis of the North American Flora