 Trillium grandiflorum ( common names white trillium , large @-@ flowered trillium , great white trillium , white wake @-@ robin , French trille blanc ) is a species of flowering plant in the family Melanthiaceae . A monocotyledonous , herbaceous perennial , it is native to eastern North America , from northern Quebec to the southern parts of the United States through the Appalachian Mountains into northernmost Georgia and west to Minnesota . It also thrives on Vancouver Island in British Columbia . There are also several isolated populations , such as in Nova Scotia and Iowa . 
