Pseudechinolaena Pseudechinolaena polystachya (Kunth) Stapf (Tropics & Subtropics: Angola, Argentina Northeast, Argentina Northwest, Assam, Bangladesh, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil...
Pseudopogonatherum Pseudopogonatherum quadrinerve (Hack.) Ohwi (Himalaya to SW. & S. Japan and W. & Central Malesia: Assam, China South-Central, China Southeast, East Himalaya,...
Pseudoraphis Pseudoraphis minuta (Mez) Pilg. (India to Indo-China, N. Australia: Assam, Bangladesh, India, Myanmar, Northern Territory, Queensland, Vietnam as per POWO)
Pseudosorghum Pseudosorghum fasciculare (Roxb.) A.Camus (Indian Subcontinent to S. Central China and Philippines: Bangladesh, China South-Central, East Himalaya, India, Myanmar, Nepal, Philippines, Thailand,...
Rostraria Rostraria cristata (L.) Tzvelev (Macaronesia, Medit. to Sahara and India, Caucasus to Central Asia and W. Himalaya: Afghanistan, Albania, Algeria, Azores, Baleares,...
Rottboellia Rottboellia cochinchinensis (Lour.) Clayton (Tropical & Subtropical Old World to N. & NE. Australia: Andaman Is., Angola, Bangladesh, Benin, Botswana, Burkina, Burundi,...
Saccharum Saccharum arundinaceum Retz. (Tropical & Subtropical Asia: Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan,...
Sacciolepis Sacciolepis indica (L.) Chase (Tropical & Subtropical Old World to N. & E. Australia: Andaman Is., Angola, Assam, Bangladesh, Benin, Borneo, Burkina, Burundi,...
Sasa Sasa veitchii (Carrière) Rehder (Introduced) (Sakhalin to Japan: Japan, Kuril Is., Sakhalin; Introduced into: Great Britain as per POWO)
Schoenefeldia Schoenefeldia gracilis Kunth (Sahara and Sahel to India: Algeria, Benin, Burkina, Cameroon, Cape Verde, Chad, Egypt, Ethiopia, Gambia, Ghana, India, Ivory Coast,...
Sehima Sehima nervosa (Rottler) Stapf (Eritrea to S. Tropical Africa, Arabian Peninsula S. Central China to Tropical Asia: Assam, Bangladesh, China South-Central,...
Setaria As per efi thread: There are various species of Setaria in India having such plicate leaves. Some of the distinguishingly visible characters...
Silentvalleya Silentvalleya chandwadensis Gosavi, B.R.Pawar & S.R.Yadav (India (Maharashtra) as per POWO)
Sorghum Sorghum bicolor (L.) Moench (Africa, Indian Subcontinent: Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Provinces, Cape Verde, Central African Repu, Chad, Congo, East...
Spinifex Spinifex littoreus (Burm.f.) Merr. (Tropical & Subtropical Asia to Australia (Ashmore Reef): Andaman Is., Bangladesh, Cambodia, China Southeast, Hainan, India, Japan, Jawa,...
Sporobolus Sporobolus coromandelianus (Retz.) Kunth (Eritrea to S. Africa, W. Indian Ocean, Arabian Peninsula to S. Central China, Jawa, New Guinea: Afghanistan,...
Stenotaphrum Stenotaphrum secundatum (Walter) Kuntze (Introduced) (SE. U.S.A. to E. & S. South America, W. Tropical Africa to Chad: Alabama, Argentina Northeast, Argentina Northwest,...
Stipagrostis Stipagrostis plumosa Munro ex T.Anderson (Sahara to NW. India: Afghanistan, Algeria, Chad, Cyprus, Egypt, Gulf States, India, Iran, Iraq, Kazakhstan, Kuwait, Lebanon-Syria,...
Tenaxia Tenaxia cachemyriana (Jaub. & Spach) N. P. Barker & H. P. Linder (Afghanistan to W. Himalaya: Afghanistan, Nepal, Tibet, West Himalaya as per POWO)...
Tetrapogon Tetrapogon tenellus (Roxb.) Chiov. (Eritrea to S. Africa, Arabian Peninsula, Indian Subcontinent: Angola, Bangladesh, Djibouti, Eritrea, Ethiopia, India, Kenya, Mozambique, Namibia, Northern...
Thelepogon Thelepogon elegans Roth (Tropical Africa to Namibia, India to W. Indo-China, S. Malesia: Angola, Benin, Burkina, Cameroon, Central African Repu, Chad, Congo,...
Themeda Themeda anathera (Nees ex Steud.) Hack. (Afghanistan to W. & Central Himalaya: Afghanistan, Nepal, Pakistan, Tibet, West Himalaya as per POWO) Themeda arundinacea (Roxb.) A.Camus (S....
Thuarea Thuarea involuta (G.Forst.) R.Br. ex Sm. (Madagascar, Tropical & Subtropical Asia to Pacific: Andaman Is., Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is.,...
Thysanolaena Thysanolaena latifolia (Roxb. ex Hornem.) Honda (Tropical & Subtropical Asia: Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya,...
Tragus Tragus mongolorum Ohwi (NE. Ethiopia to Kenya, W. Indian Ocean, Mongolia to Tropical Asia: China North-Central, China South-Central, Ethiopia, India, Inner Mongolia,...
Tripogon Tripogon jacquemontii Stapf (Indian Subcontinent: Bangladesh, India, West Himalaya (as per POWO)) Tripogon purpurascens Duthie Tripogon species- Hosur area of Tamilnadu Tripogon species-...
Tripsacum Tripsacum dactyloides (L.) L. (C. & E. U.S.A. to Ecuador, Caribbean to N. South America: Alabama, Arkansas, Bahamas, Belize, Colombia, Connecticut, Costa...
Trisetaria Trisetaria loeflingiana (L.) Paunero (Canary Islands, Medit. to Central Asia and Indian Subcontinent: Afghanistan, Algeria, Canary Is., India, Iran, Iraq, Italy,...
Trisetopsis Trisetopsis junghuhnii (Buse) Röser & A.Wölk (Guizhou, Henan, Qinghai, Shaanxi, Sichuan, E Xizang, Yunnan [Bhutan, India, Indonesia, Myanmar, Nepal, Pakistan])...
Triticum Triticum aestivum L. (Transcaucasus to Israel and NW. Iran, S. Pakistan to NW. India: India, Iran, Lebanon-Syria, Pakistan, Palestine, Transcaucasus, Turkey, West Himalaya; Introduced...
Urochloa Also see Brachiaria (POWO has placed the species under this genus now under Urochloa) . Urochloa panicoides P.Beauv. (Egypt to S. Africa and...
Urochondra Urochondra setulosa (Trin.) C.E.Hubb. (NE. Tropical Africa to NW. India: Djibouti, Eritrea, India, Iran, Oman, Pakistan, Saudi Arabia, Socotra, Somalia, Sudan, Yemen as...
Zea Zea mays L. (Introduced) (Central & SW. Mexico to W. Guatemala: Guatemala, Mexico Central, Mexico Southwest; Introduced into: Afghanistan, Alabama, Albania, Aldabra, Algeria, Amur,...
Zoysia Zoysia japonica Steud. (S. Russian Far East to E. China and Temp. E. Asia: China North-Central, China Southeast, Japan, Korea, Manchuria, Nansei-shoto, Ogasawara-shoto,...