That was not the only dangerous tree, but the only one that actively tried to kill us. You are from Earth, yes? The wildlife there is tame compared to other planets in the galaxy.

[Not that he'd seen much of it outside of browsing the extranet. By the time he'd set foot on Earth, most of it was on fire. The locket shifted in his hand, and he turned his head to look in the direction of some muffled shouting. Unconcerned, he turned back to Ariadne.]

We followed the road south as best we could, so I cannot begin to guess what the rest of the forest contains.