There are 2 books by William M. Klein on BookOrb. A strong starting point is Gardens of Philadelphia & the Delaware Valley (1995). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has William M. Klein written?
BookOrb lists 2 books by William M. Klein.
Where should I start with William M. Klein?
A good starting point is Gardens of Philadelphia & the Delaware Valley (1995).
What is the William M. Klein books in order list?
In publication order: 1. The vascular flora of Pennsylvania (1993), 2. Gardens of Philadelphia & the Delaware Valley (1995).