"--Peter H. Raven, Missouri Botanical Garden "Precise and accurate, a masterpiece of clarity and succinctness."--G. Ledyard Stebbins, University of California, Davis

When Margaret and Casey see their father become weedy while working on his botany experiments, they worry that his plant-testing may not be entirely harmless.

/MUIR JOHN Originally published in 1916, this book is largely comprised of lightly edited diary entries Muir made during his memorable 1867 trek from Kentucky to Florida.

The definitive guide to Pennsylvania's plant life.

Resource added for the Landscape Horticulture Technician program 100014.