Yeah, this is definitely not as common of a misconception as you think. I’ve personally never heard anyone say anything about what they think a prairie is. And even if it is somewhat common, it’s not detrimental in any way.

For the record, I didn’t downvote you, I just saw this. But a quick heads-up, complaining about downvotes is a sure-fire way to get more downvotes. I specialize in this field.