Biological Diversity 
Subtitle: The Oldest Human Heritage (Educational Leaflet (New York State Museum), No. 34.)
Publisher: New York State Museum
Published: May 1, 1999
Language: eng
Format: Paperback
Number of pages: 58
ISBN-13: 9781555572105
Subjects: Biodiversity conservation; Biological diversity; Biological diversity conservat; Biodiversity; Science/Mathematics
First sentence: In the northeastern United States, as in most of the remainder of the country, about one plant species in five is threatened with significant reduction in numbers or even with total extinction.