| Answer | Crossword Clue |
|---|---|
| REDPINE | North American tree. |
| REDOAK | North American tree. |
| REDMAPLE | Common North American tree |
| REDALDER | Large North American tree |
| ELM | American .., North Dakota state tree |
| ELM | American ... (North Dakota's state tree) |
| ELM | American ..., state tree of Massachusetts and North Dakota |
