A fern has over 10,000 known species and first appeared 360 million years ago and one of them is the Nephrolepis exaltata in the Plantae kingdom and Polypodiopsida class.
A fern has over 10,000 known species and first appeared 360 million years ago and one of them is the Nephrolepis exaltata in the Plantae kingdom and Polypodiopsida class.