Rare plants
By: by John T. Kartesz, Rosemarie Kartesz.
Contributors: Kartesz, Rosemarie.
Series: The Biota of North America ; Part 1 : Vascular plants -- v. 1.; Vascular plants -- v. 1.; Biota of North America -- v. 1.
Publisher: Biota of North America Committee
Published: 1977
Place of publication: Pittsburgh
Language: eng
Number of pages: 361
Subjects: Rare plants.
Notes: Includes bibliography.