A Revision of Salmea and Some Allied Genera
Geographical Guide to Floras of the World
Two Verbesinas
Geographical Guide to Floras of the World
Geographical Guide to Floras of the World: Africa, Australia, North America, South America, and islands of the Atlantic, Pacific, and Indian oceans
Geographical Guide to Floras of the World: Western Europe, by S.F. Blake
Three New Perymeniums
Two New Zexmenias
Geographical Guide to Floras of the World: Africa, Australia, North America, South America, and islands of the Atlantic, Pacific, and Indian Oceans, by S.F. Blake and Alice C. Atwood
Geographical Guide to Floras of the World
A New Mutisia from Peru
Contributions from the United States National Herbarium
The North American Species of Pennisetum
Geographical Guide to Floras of the World ...
Two New Hymenostephiums
Geographical Guide to Floras of the World
A New Limonium from Haiti
Key to the Genus Diplostephium, with Descriptions of New Species
A New Aspilia from Trinidad
Notes on Thelesperma