Three ships of the Royal Navy have borne the name HMS Narwhal, after the marine mammal, the narwhal:
- HMS Narwhal (1915) was an Admiralty M-class destroyer launched in 1915. She was involved in a collision in 1919 that broke her back, and was broken up in 1920.
- HMS Narwhal (N45) was a Grampus-class submarine launched in 1935 and lost to an unknown cause in 1940. found in 2017
- HMS Narwhal (S03) was a Porpoise-class submarine launched in 1957 and sunk as a target in 1983.
Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction