Extinction is forever : threatened and endangered species of plants in the Americas and their significance in ecosystems today and in the future : proceedings of a symposium held at the New York Botanical Garden, May 11-13, 1976, in commemoration of the Bicentennial of the United States of America / edited by Ghillean T. Prance and Thomas S. Elias.
"Endangered plant species of the world and their endangered habitats: a selected bibliography, compiled by C. R. Long and M. A. Miasek": pages 389-395.