Step 1: Pteridophyta naa chaar varago.
Psilopsida, Lycopsida, Sphenopsida, Pteropsida - chaarey Pteridophyta maa aave.
Step 2: Sphenopsida = Equisetum.
Sphenopsida (horsetails, e.g., Equisetum) vascular che, spore-producing che, seeds vighanaa - Pteridophyte.
Step 3: ઉttaar.
\\[ \boxed{oxed{ ext{Pteridophytes}} \} \]