Source: David Trinklein, 573-882-9631; Karen Funkenbusch, 573-884-1268

COLUMBIA, Mo. – It is estimated that more than 700 plant species growing in North America can have harmful effects on humans, said University of Missouri Extension horticulturist David Trinklein.

A 7-year-old boy and his 8-year-old sister died in Franklin, Massachusetts on January 12, 2014 after getting trapped in a Lane cedar chest in their home.