there are 200
There are 20,000 species of ferns. Ferns are vascular.
There areabout 20000 different species of plants classified as ferns.
There are many, many different species of ferns. They are even in several different genuses. Some ferns, such as the Hayscented Fern (Dennstaedtia punctilobula), do have an odor.
plantalia
Are mossed and ferns climax community or pioneer species
There is very little difference between prehistoric ferns and ferns of today. However, there are hundreds to thousands of fern species that are no longer around today. This is due to changes in topography, climate and time. Many of today's species are evolved or remain unchanged. But they are prone to the same
Caves
Yes, there are more than 12,000 species of ferns alive tody. There are relatively few species of club mosses today.
As a group of plants, ferns are not of great economic value. Many different species have been used as a minor food source and for medicine in various parts of the world.
I dont know what it is so HAHA
Prothallium is the name given to the gametophyte generation in ferns. Another term given to these species of ferns is prothallus.