What is this on my java moss (pics included)

There was a post a while ago about the same thing, see if u can find anything out of that m8.

Click Here

Hope u find something helpful in there
Cheers
Wolf
 
Could be algae...but is it only growing on one side of the moss frond? If it is I'd suspect it's simply the root hairs (the technical name escapes me) the moss uses to attach to objects.
 
looks like BBA from the pic.
 
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