Here's a picture of them. 2 on the left is Fissidens Fontanus, 2 on the right is unknown?
Help me ID the fissidens on the right please, I would like to buy more of these but I need a specific scientific name.
There's so many different fissidens species, I wish someone would write up a guide. I have the stuff on the right and I've always considered that to be "regular" fissidens, but some people sell it as mini. Then some places sell truly mini fissidens, which is TINY, like this: