Wait, nevermind, taking a second screenshot of the exact same thing fixed it, but I don't know what broke it in the first place?? But suddenly waterfalls aren't showing up.
Terraria Community Forums
Daimera
Daimera
Still Deathweed and purple Dark Mummies in Crimson, sigh.
Daimera
....O. M. G. PROJECTILE_499 PLEASE TELL ME THAT IS A PET
Daimera
Obsidian Outlaw gear is cool looking but it's weird that it has armor but no set bonus.
Devalaous
Deathweed was changed to be more crimson/corruption neutral actually 
Daimera
Yeah, I noticed. I was just over-optimistically holding out for a unique Crimson herb. XD