A recently concluded 20-year study has found that at least one in eight plant species worldwide is threatened by extinction.
(A recently concluded 20-year study; has found; that at least one in eight plant species worldwide is threatened by extinction) Context(A recently concluded 20 - year study has found,List([0, 44))):(at least one in eight plant species worldwide; is threatened; by extinction)
A recently concluded 20 - year study has found,List([0, 44))
A recently concluded 20-year study at least one in eight plant species worldwide
has found is threatened
that at least one in eight plant species worldwide is threatened by extinction
by extinction