Flowers

Mushroom and Toadstools

Colorado Wild Flowers

Floral Illustrations of the Seasons

Acreage

Studies of Plant Life in Canada: Wild Flowers, Flowering Shrubs, and Grasses

Canadian Wild Flowers

Flowers and Their Pedigrees

Wildflowers of the Mountain West

Summer Flowers of the High Alps

The Flowers and Gardens of Madeira

Roses: or a Monograph on The Genus Rosa

Wild Flowers Worth Knowing

A Specimen of the Botany of New Holland

Native Flowers of New Zealand

Our Edible Toadstools and Mushrooms and How to Distinguish Them

Wildlife in Your Garden

The Barren Ground Caribou of Keewatin

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

Ferns of Hawaii National Park

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