American elms and ash trees are among the 10 tree species under threat in Illinois, according to the report, which will be published in the journal Plants, People, Planet.
Of the nearly 900 native tree species in the contiguous 48 U.S. states, up to 16% of them are threatened with extinction including 10 tree species native to Illinois. That s what recent results of a joint study by the Morton Arboretum, the United States Botanic Garden and others show.
Pence gives Durkin a boost politico.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from politico.com Daily Mail and Mail on Sunday newspapers.