Huperzia serrata,commonly known as firmoss,is a perennial herb with a dichotomously branched erect stem and ovate to elliptic-lanceolate serrated leaves.
The Philippines is a home of about 1100 species of Pteridophytes under 142 genera and 39 families.Pteridophytes are primitive and vascular plants that are flowerless and seedless.
A survey was made of ferns and lycophytes in the Plant Genetic Protection Area of RSPG,Nampung Dam,in Sakon Nakhon province,Northeastern Thailand during September 2011-August 2012.