Released earlier this week by Botanic Gardens Conservation International (BGCI).
From the Global Tree Search Launch Announcement:
BGCI has been working for over two years, consulting over 500 published sources and liaising with experts all over the world to find the answer – 60,065 tree species.
‘GlobalTreeSearch’ is the first list of its kind, documenting all of the world’s known tree species and their country level distributions.
It may surprise you to learn that before today we didn’t know how many tree species there were in the world.
A new paper ‘GlobalTreeSearch- the first complete global database of tree species and country distributions’, published today in the Journal of Sustainable Forestry, highlights the fact that more than half of all tree species only occur in a single country, and many of these species are threatened with extinction.
Of all the countries in the world, Brazil has the most tree species, with 8,715 species, followed by Colombia (5,776) and then Indonesia (5,142). Apart from the Arctic and the Antarctic (which have no trees whatsoever), the region with the fewest tree species is the Nearctic region of North America, with fewer than 1,400 species.
The database comprises of over 375,500 records, which took over two years to compile.
Dr Paul Smith, BGCI’s Secretary General, explains “Although it seems extraordinary that it has taken us until 2017 to publish the first global, authoritative list of tree species, it is worth remembering that GlobalTreeSearch represents a huge scientific effort encompassing the discovery, collection and describing of tens of thousands of plant species. This is ‘big science’ involving the work of thousands of botanists over a period of centuries.”
Direct to Global Tree Search Database
Direct to Database Definitions, Citation Info, etc.
Direct to Download a CSV file of all Tree Taxa in Database.
Read the Complete Launch Announcement
Other Databases From BGCI
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