I've only seen a small portion of my world, too. The more I see of it, the bigger it feels...

[Oh, but he knows mushrooms! Sort of? Actually he doesn't really know much about mushrooms at all, now that he thinks about it. Which...doesn't make him any less of an intelligent mushroom, but...! Anyway he nods.]

They have different shapes, colors, and structures where I'm from, too. I've never really tried to identify them before, though.