Saudi Arabia does not have any permanent rivers, but does have numerous wadis (valleys) which are riverbeds that are either permanently or intermittently dry.
This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name.
Red Sea[edit]
- Wadi Aful
- Wadi as Surr
- Wadi al-Hamd
- Wadi al-Jizl
- Wadi al-Aqiq
- Wadi Rabigh
- Wadi Fāţimah
- Wadi Sa‘dīyah
- Wadi al-Līth
- Wadi Idam
Syrian Desert[edit]
- Wadi Saba
- Wadi Fajr
- Wadi as Sirhan
- Wadi al-Mirah
- Wadi Hamir
- Wadi Ar'ar
- Wadi al Batin
Najd[edit]
- Wadi al-Rummah
- Wadi al-Batin
- Wadi al Jarīr
- Wadi ar Rishā’
- Wadi Hanifa
- Wadi ad-Dawasir
- Wadi Habawnah
References[edit]
- Rand McNally, The New International Atlas, 1993.
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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