About the Author
Peter Bernhardt is professor of biology at St. Louis University and a research associate at both the Missouri Botanical Garden of St. Louis and the Royal Botanic Gardens of Sydney, Australia. He is the author or coauthor of more than 60 technical publications and has written two general-interest books: "Wily Violets and Underground Orchids" (Morrow, 1989) and "Natural Affairs" (Villard, 1993).