Whisk Ferns

Whisk Ferns

Whisk ferns (Psilophytes) are an echo of the past and they represent a great step in the evolution of higher plants. 420 million year old fossils show that Psilophytes flourished at that time though very few remain today. One species of the genus Tmesipteris is found in the islands of the Pacific and two species of Psilotum grow in tropical and sub-tropical countries throughout the world. [CH] {FW}