Do Ricordea spawn in tanks?

[LegendaryCG]

I have a couple different Ricordeas and they have been making little baby versions of themselves, BUT near them I found a really tiny one that doesn't look like any of them, kinda like a combination of the two. Wondering if this is a new one and not a clone?

 

[LegendaryCG]

Mushroom A

Mushroom B

Unknown mushroom C