Plants

History of Botany (1530–1860)

Roses: or a Monograph on The Genus Rosa

Wild Flowers Worth Knowing

The Mushroom Cultivation Guide

The Life of a Leaf

Sex on the Kitchen Table

Discoveries in the Garden

Pocket Guide to Balsam Bashing

A Specimen of the Botany of New Holland

Native Flowers of New Zealand

The Barren Ground Caribou of Keewatin

Key and Guide to Native Trees, Shrubs, and Woody Vines of Dallas County

Ferns of Hawaii National Park

Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi

The Botanical Lore of the California Indians with Side Lights on Historical Incidents in California

Forest Trees of Texas: How to Know Them

Flower Guide: Wild Flowers East of the Rockies (Revised and with New Illustrations)

Lichens

Plant Lore, Legends, and Lyrics. Embracing the Myths, Traditions, Superstitions, and Folk-Lore of the Plant Kingdom

Flowers of Mountain and Plain