rather it is a fern ally closer to a moss genes.
Currently there is a huge classification ID brawl taking place on which one goes where. And so, these Huperzia & Lycopodium had it's names interchanged and reclassified the updated version is ignored by majority.
Do check on this link for the information.
This is based on my years of experience of care and cultivating these Tassel Ferns - the Huperzia species.