Dmitri Yurievich Sitak (born 4 March 1983) is a Russian tennis player playing on the ATP Challenger Tour. On November 17, 2003, he reached his highest ATP singles ranking of World No. 356, whilst his highest doubles ranking of 138 was reached on March 22, 2010. He is the older brother of Artem Sitak, who is also a tennis player. Sitak was the first player that future world number one player Daniil Medvedev beat as a professional, when in March 2011 Medvedev won their match at an ITF Futures event in Russia. [1]
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
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Yuri Schukin
Daniele Bracciali 
Andis Juška
Lee Hsin-han 
Oleksandr Dolgopolov Jr.
Ilija Bozoljac 
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