Botany in a day : the patterns method of plant identification : Thomas J. Elpel's herbal field guide to plant families

National Audubon Society field guide to North American wildflowers : western region

The Audubon Society field guide to North American wildflowers, western region

National Audubon Society first field guide to wildflowers

Peterson first guide to trees

Field guide to North American edible wild plants

The private life of plants : a natural history of plant behaviour

The plants of Pennsylvania :an illustrated manual

A field guide to venomous animals and poisonous plants, North America, north of Mexico

A field guide to medicinal plants and herbs of eastern and central North America

Reader's Digest North American wildlife

A history of herbal plants

A guide to enjoying wildflowers

A field guide to tropical and subtropical plants

Flower families and ancestors

Root, leaf, bud and berry : a collection of plants from Central Pennsylvania

A field guide to trees and shrubs : northeastern and north-central United States and southeastern and south-central Canada

Native wild plants of Northeastern United States and Eastern Canada

Wildly successful plants : a handbook of North American weeds

Sybil Leek's book of herbs

Plant medicine and folklore

A field guide to reptiles & amphibians : eastern and central North America

Edible wild plants of Pennsylvania and neighboring states

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 Canada

Field guide to weeds : based on Wildly successful plants

The tracker's field guide : a comprehensive manual for animal tracking

Plants of the Bible

Bizarre plants: magical, monstrous, mythical

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use

A field guide to freshwater fishes : North America north of Mexico

Scenic science of the national parks : an explorer's guide to wildlife, geology, and botany

A field guide to birds' nests of 285 species found breeding in the United States east of the Mississippi River

The easy tree guide : common native and cultivated trees of the United States and Canada

How to know the ferns; a guide to the names, haunts, and habits of our common ferns

Plant and planet

Plant Science : An Introduction To Botany. Disc 3 & 4

Plant Science : An Introduction To Botany. Disc 1 & 2

Potter's new cyclopaedia of medicinal herbs and preparations

The new field book of American wild flowers

Flowers : a guide to familiar American wildflowers

The everything guide to foraging : identifying, harvesting, and cooking nature's wild fruits and vegetables