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The Social Labour Party (Portuguese: Partido Social Trabalhista, PST) was a political party in Brazil.
The PST was founded by dissidents of the Brazilian Labor Party in 1947. Abolished by the military regime in 1965, it was re-organized in 1988 before merging with another party to form the Progressive Party (PP) in 1993. It was finally recreated in 1996, and co-operated electorally with the small Liberal Party until 2003.
At the legislative elections held on 6 October 2002, the party won 3 out of 513 seats in the Chamber of Deputies and no seats in the Senate.
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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