![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Standard_of_Cyrus_the_Great.svg/150px-Standard_of_Cyrus_the_Great.svg.png) |
559-330 BC |
Standard of the Achaemenid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Derafsh_Kaviani_flag_of_the_late_Sassanid_Empire.svg/150px-Derafsh_Kaviani_flag_of_the_late_Sassanid_Empire.svg.png) |
224–649 |
Flag of the Sasanian Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Umayyad_Flag.svg/150px-Umayyad_Flag.svg.png) |
661–750 |
Flag of the Umayyad Caliphate |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Abbasid_banner.svg/150px-Abbasid_banner.svg.png) |
750-1258 |
Flag of the Abbasid Caliphate |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Flag_of_the_Ghaznavids_%2816_Great_Turkic_Empires%29_1.svg/150px-Flag_of_the_Ghaznavids_%2816_Great_Turkic_Empires%29_1.svg.png) |
1002–1031 |
1st Standard of the Ghaznavid Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Old_Ghaznavid_Flag.png/150px-Old_Ghaznavid_Flag.png) |
1031–1186 |
2nd Standard of the Ghaznavid Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Flag_of_the_Seljuk.png/150px-Flag_of_the_Seljuk.png) |
1037-1194 |
Flag of the Seljuk Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Flag_of_Khwarazmia.svg/150px-Flag_of_Khwarazmia.svg.png) |
1194-1220 |
Flag of the Khwarazmian Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/85/Flag_of_the_Mongol_Empire.svg/150px-Flag_of_the_Mongol_Empire.svg.png) |
1220-1294 |
Military Flag of the Mongol Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Golden_Horde_flag_1339.svg/150px-Golden_Horde_flag_1339.svg.png) |
1242-1384 |
Flag of the Golden Horde |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/0/07/Flag_of_Ilkhanate.svg/150px-Flag_of_Ilkhanate.svg.png) |
1256-1335 |
Flag of the Ilkhanate |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Timurid_Pennant.svg/150px-Timurid_Pennant.svg.png) |
1370–1405 |
1st Flag of the Timurid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Timurid.svg/150px-Timurid.svg.png) |
1405–1507 |
2nd Flag of the Timurid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Flag_of_Persia_%281502-1524%29.svg/150px-Flag_of_Persia_%281502-1524%29.svg.png) |
1502–1524 |
1st Flag of the Safavid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Bandera_de_Khiva_abans_1917.svg/150px-Bandera_de_Khiva_abans_1917.svg.png) |
1511–1740 |
Flag of the Khanate of Khiva
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Flag_of_Shah_Tahmasp_I.svg/150px-Flag_of_Shah_Tahmasp_I.svg.png) |
1524–1576 |
2nd Flag of the Safavid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/40/Safavid_Flag.svg/150px-Safavid_Flag.svg.png) |
1576–1732 |
3rd Flag of the Safavid Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Nader_Shah_Flag.svg/150px-Nader_Shah_Flag.svg.png) |
1736–1747 |
Standard of Nader Shah |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Afsharid_Imperial_Standard_%283_Stripes%29.svg/150px-Afsharid_Imperial_Standard_%283_Stripes%29.svg.png) |
1747–1796 |
Flag of the Afsharid Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Afsharid_Imperial_Standard_%284_Stripes%29.svg/150px-Afsharid_Imperial_Standard_%284_Stripes%29.svg.png) |
1747–1796 |
Flag of the Afsharid Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Zand_Dynasty_flag.svg/150px-Zand_Dynasty_flag.svg.png) |
1751–1794 |
Flag of the Zand Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Flag_of_the_Emirate_of_Bukhara.svg/150px-Flag_of_the_Emirate_of_Bukhara.svg.png) |
1785–1870 |
Flag of the Emirate of Bukhara
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/Flag_of_Agha_Mohammad_Khan.svg/150px-Flag_of_Agha_Mohammad_Khan.svg.png) |
1789–1797 |
Flag of the Qajar Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Flag_of_mohammad_shah_qajar.png/150px-Flag_of_mohammad_shah_qajar.png) |
1789–1797 |
Flag of the Qajar Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Mohammad_Shah_Qajar_Flag.svg/150px-Mohammad_Shah_Qajar_Flag.svg.png) |
1797–1848 |
Flag of the Qajar Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Amir_Kabir_Flag.svg/150px-Amir_Kabir_Flag.svg.png) |
1848–1852 |
Flag of the Qajar Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Early_20th_Century_Qajar_Flag.svg/150px-Early_20th_Century_Qajar_Flag.svg.png) |
1852–1860 |
Flag of the Qajar Dynasty |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Flag_of_the_Romanov_Monarchy.svg/150px-Flag_of_the_Romanov_Monarchy.svg.png) |
1860-1896 |
Flag of the Russian Empire |
|
![](https://upload.wikimedia.org/wikipedia/en/thumb/f/f3/Flag_of_Russia.svg/150px-Flag_of_Russia.svg.png) |
1896-1914 |
Flag of the Russian Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Flag_of_Russia_%281914-1917%29.svg/150px-Flag_of_Russia_%281914-1917%29.svg.png) |
1914-1917 |
Flag of the Russian Empire |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Bukhara1920.svg/150px-Bukhara1920.svg.png) |
1920 |
Flag of the Emirate of Bukhara |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Flag_of_the_Khanate_of_Khiva.svg/150px-Flag_of_the_Khanate_of_Khiva.svg.png) |
1917–1920 |
Flag of the Khanate of Khiva |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Flag_of_the_Turkestan_%28Kokand%29_Autonomy.svg/150px-Flag_of_the_Turkestan_%28Kokand%29_Autonomy.svg.png) |
1917–1918 |
Flag of the Turkestan Autonomy |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Turkestan_Autonomous_SSR_Flag.svg/150px-Turkestan_Autonomous_SSR_Flag.svg.png) |
1919-1921 |
Flag of the Turkestan Autonomous Soviet Socialist Republic |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Flag_of_Turkestan_ASSR_%281921-1923%29.svg/150px-Flag_of_Turkestan_ASSR_%281921-1923%29.svg.png) |
1921-1924 |
Flag of the Turkestan Autonomous Soviet Socialist Republic |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Flag_of_Khiva_1920-1923.svg/150px-Flag_of_Khiva_1920-1923.svg.png) |
1920-1924 |
Flag of the Khorezm People's Soviet Republic |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Flag_of_the_Bukharan_People%27s_Soviet_Republic.svg/150px-Flag_of_the_Bukharan_People%27s_Soviet_Republic.svg.png) |
1921-1924 |
Flag of the Bukharan People's Soviet Republic |
[3][4]
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Proposed_flag_of_Turkmen_SSR_-_1925.svg/150px-Proposed_flag_of_Turkmen_SSR_-_1925.svg.png) |
1925 |
Proposed flag of the Turkmen SSR |
[5]
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281926-1937%29.svg/150px-Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281926-1937%29.svg.png) |
1926-1937 |
1st Flag of the Turkmen SSR |
[6]
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281937-1940%29.svg/150px-Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281937-1940%29.svg.png) |
1937-1940 |
2nd Flag of the Turkmen SSR |
[7]
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281940%E2%80%931953%29.svg/150px-Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281940%E2%80%931953%29.svg.png) |
1940-1953 |
3rd Flag of the Turkmen SSR |
[8]
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281953%E2%80%931973%29.svg/150px-Flag_of_the_Turkmen_Soviet_Socialist_Republic_%281953%E2%80%931973%29.svg.png) |
1953-1973 |
4th Flag of the Turkmen SSR |
|
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Flag_of_the_Turkmen_Soviet_Socialist_Republic.svg/150px-Flag_of_the_Turkmen_Soviet_Socialist_Republic.svg.png) |
1973-1992 |
5th and final Flag of the Turkmen SSR |
[9]
|
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