Tertiary grasses and other angiosperms from Kansas, Nebraska, and Colorado
Subtitle: relationships to living taxa
By: by Joseph Raymond Thomasson.
Publisher: University Microfilms International
Published: 1980
Place of publication: Ann Arbor
Language: eng
Number of pages: 412
Subjects: Grasses, Fossil; Paleobotany -- Tertiary
Notes: Photocopy of typescript.

Thesis - Iowa State University, 1976.

Bibliography: leaves 234-251.