This list is intended to include all significant botanical gardens and arboretums in the United States.[1][2][3]
The total number of Botanical Gardens recorded in the United States of America depends on the criteria used and is in the range from 296[4] to 1014.[1]
The Approximate number of living plant accessions recorded in these botanical gardens — 600,000.[4]
The Approximate number of taxa in these collections — 90,000 taxa or approximately 40,000 species.[4]
Estimated percentage of collections in existence before Convention on Biological Diversity — 70%[4]
