Wild flowers of the United States.
General editor, William C. Steere. Collaborators: Rogers McVaugh [and others.
- 1st ed.]
- New York McGraw-Hill [1966-73]
- 6 v. in 14 pts. illus., col. map (on lining papers) col. plates. 33 cm.
"Publication of the New York Botanical Garden."
v. 1. The Northeastern States. 2 v.--v. 2. The Southeastern States. 2 v.--v. 3. Texas. 2 v.--v. 4. The Southwestern States. 3 v.--v. 5. The Northwestern States. 2 v.--v. 6. The central mountains and plains. 3 v.