| Type |  Book |
| ชื่อเรื่อง | A field guide to Western trees : Eastern United States and Canada / George A. Petrides ; illustrated by Olivia Petrides |
| ผู้แต่ง | Petrides, George a |
| ISBN | 0-395-90454-4 |
| | 0395904544 (pbk.) |
| พิมพลักษณ์ | Boston, Mass. : Houghton Mifflin, 1998 |
| | New York : Houghton Mifflin, c1998 |
| ครั้งที่พิมพ์ | 1st ed, expanded |
| รูปเล่ม | xiv, 428, [4] p. : ill |
| หัวเรื่อง | TREES --CANADA, WESTERN --IDENTIFICATION [] |
| | Trees --Canada, Western --Identification [] |
| | TREES --CANADA, WESTERN --PICTORIAL WORKS [] |
| | Trees --Canada, Western --Pictorial works [] |
| | TREES --WEST (U.S.) --IDENTIFICATION [] |
| | Trees --West (U.S.) --Identification [] |
| | TREES --WEST (U.S.) --PICTORIAL WORKS [] |