Fungi generate and replace Stem

Used the locatebiome from the overworld to find this location and teleported there using an execute command. And when I got there I found this cirmson fungi that had replaced a stem.
This could perhaps even happen to warped fungi.

Seed: 9130834813516748790
Command: /execute in minecraft:the_nether run teleport @s 305 68 110 27 30