Ophioglossaceae iyali ne na ferns waɗanda aka fi sani da "harshen adder's ferns". Wannan dangin tsire-tsire yana da sauƙin sauƙi, ganyayen da ba a raba su ba, waɗanda galibi ana siffata su kamar kunkuntar harshe ko maƙarƙashiya. Tsire-tsire a cikin wannan iyali kuma sun shahara saboda tsarin haifuwa wanda ba a saba gani ba, wanda yayi kama da ƙananan spikes
