add nc list

data/state/NC/aliases.txt

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+north carolina tree list

data/state/NC/list.txt

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+american beech
+american black elderberry
+american chestnut
+american elm
+american holly
+american hophornbeam
+american hornbeam
+american persimmon
+american plum
+american sweetgum
+american sycamore
+american turkey oak
+american witch-hazel
+atlantic white cedar
+baldcypress
+basswood
+bitternut hickory
+black cherry
+black hawthorn
+black locust
+black oak
+black tupelo
+black willow
+blackjack oak
+box elder
+butternut
+cabbage palmetto
+chinkapin oak
+chokecherry
+common hackberry
+common pawpaw
+cucumber-tree
+eastern black walnut
+eastern cottonwood
+eastern hemlock
+eastern redbud
+eastern redcedar
+eastern white pine
+fire cherry
+flowering dogwood
+fraser fir
+fraser magnolia
+ginkgo
+green ash
+hercules' club
+honey locust
+loblolly bay
+loblolly pine
+longleaf pine
+mockernut
+northern red oak
+overcup oak
+painted buckeye
+pecan
+pignut hickory
+pin oak
+pitch pine
+post oak
+red maple
+red mulberry
+red spruce
+river birch
+sassafras
+scarlet oak
+shagbark hickory
+shining sumac
+shortleaf pine
+silver maple
+slippery elm
+smooth sumac
+sourwood
+southern catalpa
+southern live oak
+southern magnolia
+southern red oak
+sugar hackberry
+sugar maple
+swamp chestnut oak
+sweet birch
+sweetbay magnolia
+tree-of-heaven
+tulip tree
+virginia pine
+water oak
+water tupelo
+white ash
+white oak
+willow oak
+winged elm
+yaupon holly
+yellow birch
+yellow buckeye