| Answer | Crossword Clue |
|---|---|
| OAK | State tree of Illinois, Iowa and Maryland |
| OAK | State tree of Maryland and Iowa |
| OAK | State tree of Iowa and Maryland |
| THEBIGTEN | Illinois, Indiana, Iowa, Michigan, Michigan State, Minnesota, Northwestern, Ohio State, Penn State, Purdue and Wisconsin |
| WHITEOAK | State tree of Connecticut and Maryland |
| OAK | State tree of Iowa |
