The first Banda Oriental campaign was a military campaign of the Argentine War of Independence, that attempted to capture the Banda Oriental (present-day Uruguay). It took place in 1810–1811. The countryside, led by José Gervasio Artigas, joined forces with Buenos Aires against Montevideo. The viceroy Javier de Elío requested help from colonial Brazil, forcing Buenos Aires to sign a controversial armistice.
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