Plants

Eye Spy: Afield with Nature Among Flowers and Animate Things

Young Folks' Nature Field Book

Language of Flowers

Origin of Cultivated Plants

Street Trees

The Wild Flowers of California: Their Names, Haunts, and Habits

Forestry for Farmers

Rambles in New Zealand

A synopsis of the palms of Puerto Rico

Freak trees of the State of New York

The Romance of the Woods

Wayside and Woodland Trees: A pocket guide to the British sylva

The Myxomycetes of the Miami Valley, Ohio

Treed

Mushroom Magic

Stories of the World's Poisonous Trees

Herbs and Apples

Forest Trees of Illinois: How to Know Them

Trees: A Woodland Notebook

The Manual of the Botany of the Northern United States