US flora

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Across
  1. 6. It's also called wood lily and it can be found in Ohio.
  2. 8. What color is the Oklahoma Rose?
  3. 9. What kind of oak grows in D.C.?
  4. 10. Magnolia is the state tree of...
  5. 11. Rocky mountain columbine grows in...
  6. 12. Which state's official tree is Cottonwood?
Down
  1. 1. In 1923 this flower was designated as Missouri's state flower.
  2. 2. Kentucky's state tree, also called yellow poplar.
  3. 3. Where does California Redwood grow?
  4. 4. It is the state flower of Kentucky.
  5. 5. Hawaii's state flower.
  6. 7. It's a tree that is not native to Hawaii, but it grows in Hawaii.