Helictotrichon

Helictotrichon (alpine oatgrass) is a genus of perennial flowering plants in the grass family.

Most of the species are native to Africa and Eurasia with a few species in North America. Helictotrichon sempervirens is widely cultivated as an ornamental.

1. Helictotrichon altius (Hitchc.) Ohwi - China
2. Helictotrichon angustum C.E.Hubb. - Kenya, Yemen
3. Helictotrichon arctum Cope - Yemen
4. Helictotrichon barbatum (Nees) Schweick. - South Africa
5. Helictotrichon burmanicum Bor - Myanmar
6. Helictotrichon cantabricum (Lag.) Gervais - Pyrenees in France + Spain
7. Helictotrichon capense Schweick. - South Africa
8. Helictotrichon convolutum (C.Presl) Henrard - Italy, Greece, Balkans, Turkey, Syria, Lebanon
9. Helictotrichon cycladum (Rech.f. & T.C.Scheff.) Rech.f. - Greece incl Crete
10. Helictotrichon decorum (Janka) Henrard - Romania
11. Helictotrichon delavayi (Hack.) Henrard - China
12. Helictotrichon desertorum (Less.) Nevski - Austria, Czech Rep, Ukraine, Russia, Kazakhstan, Kyrgyzstan, Mongolia
13. Helictotrichon devesae Romero Zarco - Spain
14. Helictotrichon dodii (Stapf) Schweick. - South Africa
15. Helictotrichon elongatum (Hochst. ex A.Rich.) C.E.Hubb. - Madagascar; Africa from Chad to Eritrea to Zimbabwe
16. Helictotrichon fedtschenkoi (Hack.) Henrard - Kyrgyzstan, Tajikistan
17. Helictotrichon filifolium (Lag.) Henrard - Spain, Morocco, Algeria
18. Helictotrichon galpinii Schweick. - South Africa, Lesotho
19. Helictotrichon hideoi (Honda) Ohwi - Japan, Taiwan
20. Helictotrichon hirtulum (Steud.) Schweick. - South Africa, Lesotho
21. Helictotrichon hissaricum (Roshev.) Henrard - Tajikistan
22. Helictotrichon imberbe (Nees) Veldkamp - South Africa, Lesotho, Swaziland
23. Helictotrichon junghuhnii (Buse) Henrard - China, Indian Subcontinent, Myanmar, Sumatra, Java, New Guinea
24. Helictotrichon × krischae H.Melzer - Austria
25. Helictotrichon krylovii (Pavlov) Henrard - Yakutia, Magadan
26. Helictotrichon lachnanthum (Hochst. ex A.Rich.) C.E.Hubb. - Bioko, Ethiopia, Tanzania, Kenya, Uganda
27. Helictotrichon leianthum (Keng) Ohwi - China
28. Helictotrichon leoninum (Steud.) Schweick. - South Africa
29. Helictotrichon longifolium (Nees) Schweick. - South Africa, Lesotho
30. Helictotrichon longum (Stapf) Schweick. - South Africa
31. Helictotrichon macrostachyum (Balansa & Durieu) Henrard - Algeria
32. Helictotrichon mannii (Pilg.) C.E.Hubb. - Bioko, Cameroon
33. Helictotrichon milanjianum (Rendle) C.E.Hubb. - Madagascar, East Africa
34. Helictotrichon mongolicum (Roshev.) Henrard - Siberia, Mongolia, Xinjiang, Kazakhstan
35. Helictotrichon mortonianum (Scribn.) Henrard - USA (Colorado, Wyoming, Utah, New Mexico)
36. Helictotrichon murcicum Holub - Spain
37. Helictotrichon namaquense Schweick. - South Africa
38. Helictotrichon natalense (Stapf) Schweick. - South Africa
39. Helictotrichon newtonii (Stapf) C.E.Hubb. - Angola
40. Helictotrichon parlatorei (J.Woods) Pilg. - Alps of France, Italy, Switzerland, Austria, Slovenia
41. Helictotrichon petzense H.Melzer - Alps of Austria, Slovenia
42. Helictotrichon planifolium (Willk.) Holub - Pyrenees in France + Spain
43. Helictotrichon polyneurum (Hook.f.) Henrard - Tamil Nadu
44. Helictotrichon potaninii Tzvelev - Sichuan
45. Helictotrichon quinquesetum (Steud.) Schweick. - South Africa
46. Helictotrichon requienii (Mutel) Henrard - France + Spain
47. Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk - South Africa
48. Helictotrichon roggeveldense Mashau, Fish & A.E.van Wyk - South Africa
49. Helictotrichon sangilense Krasnob. - Tuva in Siberia
50. Helictotrichon sarracenorum (Gand.) Holub - Spain
51. Helictotrichon schmidii (Hook.f.) Henrard - India, China
52. Helictotrichon sedenense (Clarion ex DC.) Holub - France, Spain, Italy, Morocco
53. Helictotrichon sempervirens (Vill.) Pilg. - Blue oat grass - France, Italy
54. Helictotrichon setaceum (Vill.) Henrard - France, Italy
55. Helictotrichon sumatrense Ohwi - Sumatra
56. Helictotrichon tianschanicum (Roshev.) Henrard - Kyrgyzstan, Tajikistan, Kazakhstan, Xinjiang
57. Helictotrichon tibeticum (Roshev.) Holub - China incl Tibet + Xinjiang
58. Helictotrichon turcomanicum Czopanov - Turkmenistan
59. Helictotrichon umbrosum (Hochst. ex Steud.) C.E.Hubb. - Ethiopia, Sudan, South Sudan, Kenya, Uganda, Tanzania
60. Helictotrichon uniyalii Kandwal & B.K.Gupta - Uttarakhand
61. Helictotrichon yunnanense S.Wang & B.S.Sun - Yunnan

Many species once considered part of Helictotrichon are now regarded as better suited to other genera. A large number are now in Helictochloa with smaller numbers of species in Amphibromus Arrhenatherum Avenula Danthoniastrum Duthiea Tricholemma and Trisetum.