Reference

Ducks and Geese: Standard Breeds and Management

Pat Welsh's Southern California Organic Gardening (3rd Edition)

Gardening: The Complete Guide

The Ever Curious Gardener

Vegetable Teratology

Flowers and Their Pedigrees

British Pomology

The Bee Preserver; or, Practical Directions for the Management and Preservation of Hives

Seeds of Michigan Weeds

Gardening in the Lower Midwest

What is that Plant

The Fern Lover's Companion

Native Plants for Southwestern Landscapes

Propagation: Specialist Guide