Ah....wanted to ask you about that. A few are, but not really, some are attaching to the wood, and some were floaters tha really idnt have mch of a zome, so those r more buried. They have always looked horrendous....my java ferns.Were the microswords planted OK?
if you want the same effect, bury just the roots and have the rhizome sitting on the substrate. It can take a while to get ooted properly especially if your fish pull it up.