Natural hybrids among pond, loblolly, and pitch pines
By: by Elbert L. Little, Jr., Silas Little, Warren T. Doolittle.
Contributors: Little, Silas.; Doolittle, Warren T. 1921-
Series: Research paper NE -- 67.
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1967
Place of publication: Upper Darby, Pa
Language: eng
Number of pages: 22
Subjects: Loblolly pine; Pitch pine; Pine
Notes: Cover title.

Bibliography: p. 21-22.