Subdivisions of the genus Pinus (pines)
Contributors: Critchfield, William Burke
Series: U.S. Dept. of Agriculture. Miscellaneous publication no. 1144; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 1144.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1969
Place of publication: Washington
Language: eng
Number of pages: 51
Subjects: Pine
Notes: Issued Dec. 1969. Bibliography: p.51.