There have been two baronetcies created for people with the surname Mackintosh, both in the Baronetage of the United Kingdom. One creation is extant as of 2010.
- Mackintosh baronets of Mackintosh (1812)
- Mackintosh baronets of Halifax (1935): see Viscount Mackintosh of Halifax
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