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A guide to trees and shrubs with pictures to help identify plant material.

With its high plains, rolling hills, and river valleys, Kansas is home to a surprisingly diverse flora, and among these riches are the 166 species of trees, shr

A guide for the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.

Designed especially for winter use and featuring almost six hundred illustrations, this taxonomic guide describes some nine hundred plant species by their twig,