| Type |  Book |
| ชื่อเรื่อง | A field guide to trees and shrubs : field marks of all trees, shrubs, and woody vines that grow wild in the Northeastern and North-Central United states and in Southeastern and South-Central Canda / by George A. Petrides and Roger Tory Peterson |
| ผู้แต่ง | Petrides, George A |
| พิมพลักษณ์ | Boston : Houghton, 1972 |
| ครั้งที่พิมพ์ | 2nd ed |
| รูปเล่ม | 428 p. : ill |
| หัวเรื่อง | Climbing plants --North America --Identification [] |
| | Shrubs, North america --Identification [] |
| | Trees --North America --Identification [] |