This particular Tassel Fern is considered rare and difficult to find. If sold in nursery, it would very expensive and usually with limited number. Often, it is easier to exchange and cultivate with gardener's friends.
Locally it is known as "Pakis Tali kasut" resembling shoe lace ferns. And interesting features that leaves looks like angular shaped leaf structure for this particular Huperzia has a circular shape.
The Huperzia tetrasticha has a square formation on it's stem. Both are considered rare.
I had wrote on how to Care & Cultivate Tassel Ferns in detail.
Do check on this link for the information.