1. Species Gahnia ancistrophylla Benth.
2. Species Gahnia aristata Benth.
3. Species Gahnia aspera (R.Br.) Spreng.
4. Species Gahnia australis (Nees) K.L.Wilson
5. Species Gahnia baniensis Benl
6. Species Gahnia beecheyi H.Mann
7. Species Gahnia clarkei Benl
8. Species Gahnia decomposita (R.Br.) Benth.
9. Species Gahnia deusta (R.Br.) Benth.
10. Species Gahnia drummondii (Steud.) K.L.Wilson
11. Species Gahnia erythrocarpa R.Br.
12. Species Gahnia filifolia (C.Presl) Kük. ex Benl
13. Species Gahnia filum (Labill.) F.Muell.
14. Species Gahnia grandis (Labill.) S.T.Blake
15. Species Gahnia halmaturina R.L.Barrett & K.L.Wilson
16. Species Gahnia howeana R.O.Gardner
17. Species Gahnia hystrix J.M.Black
18. Species Gahnia insignis S.T.Blake
19. Species Gahnia javanica Moritzi
20. Species Gahnia lacera (R.Lesson ex A.Rich.) Steud.
21. Species Gahnia lanigera (R.Br.) Benth.
22. Species Gahnia marquisensis F.Br.
23. Species Gahnia melanocarpa R.Br.
24. Species Gahnia microcarpa Guillaumin
25. Species Gahnia microstachya Benth.
26. Species Gahnia novocaledonensis Benl
27. Species Gahnia pauciflora Kirk
28. Species Gahnia procera J.R.Forst. & G.Forst.
29. Species Gahnia radula (R.Br.) Benth.
30. Species Gahnia rigida Kirk
31. Species Gahnia rodwayi F.Muell. ex Rodway
32. Species Gahnia schoenoides G.Forst.
33. Species Gahnia sclerioides K.L.Wilson
34. Species Gahnia setifolia (A.Rich.) Hook.f.
35. Species Gahnia sieberiana Kunth
36. Species Gahnia sinuosa J.Raynal
37. Species Gahnia subaequiglumis S.T.Blake
38. Species Gahnia trifida Labill.
39. Species Gahnia tristis Nees
40. Species Gahnia vitiensis Rendle
41. Species Gahnia xanthocarpa (Hook.f.) Hook.f.
42. Species Gahnia affinis (Brongn.) Steud. accepted as Morelotia affinis (Brongn.) S.T.Blake
43. Species Gahnia arbuscula Domin accepted as Gahnia sieberiana Kunth
44. Species Gahnia arenaria Hook.f. accepted as Morelotia affinis (Brongn.) S.T.Blake
45. Species Gahnia articulata (R.Br.) F.Muell. accepted as Machaerina articulata (R.Br.) T.Koyama
46. Species Gahnia boniana Boeckeler accepted as Gahnia tristis Nees
47. Species Gahnia boninsimae Maxim. accepted as Gahnia aspera subsp. aspera (R.Br.) Spreng.
48. Species Gahnia breviaristata Benl accepted as Gahnia sieberiana Kunth
49. Species Gahnia castanea Ridl. accepted as Gahnia javanica Moritzi
50. Species Gahnia congesta Boeckeler accepted as Gahnia aspera subsp. globosa (H.Mann) J.Kern
51. Species Gahnia ebenocarpa Hook.f. ex Kirk accepted as Gahnia xanthocarpa (Hook.f.) Hook.f.
52. Species Gahnia ebonocarpa W.Thomps. accepted as Gahnia xanthocarpa (Hook.f.) Hook.f.
53. Species Gahnia elynanthoides F.Muell. accepted as Gahnia australis (Nees) K.L.Wilson
54. Species Gahnia exigua Colenso accepted as Gahnia pauciflora Kirk
55. Species Gahnia fitzgeraldii Rodway accepted as Gahnia microstachya Benth.
56. Species Gahnia gahniiformis (Gaudich.) A.Heller accepted as Morelotia gahniiformis Gaudich.
57. Species Gahnia gaudichaudii (Brongn.) Steud. accepted as Morelotia gahniiformis Gaudich.
58. Species Gahnia globosa H.Mann accepted as Gahnia aspera subsp. globosa (H.Mann) J.Kern
59. Species Gahnia glomerata (R.Br.) F.Muell. accepted as Machaerina rubiginosa (Biehler) T.Koyama
60. Species Gahnia gonyocarpa Steud. accepted as Gahnia erythrocarpa R.Br.
61. Species Gahnia graminifolia Rodway accepted as Gahnia rodwayi F.Muell. ex Rodway
62. Species Gahnia gunnii (Hook.f.) F.Muell. accepted as Machaerina gunnii (Hook.f.) J.Kern
63. Species Gahnia hectori Kirk accepted as Gahnia pauciflora Kirk
64. Species Gahnia insularis (Benth.) F.Muell. accepted as Machaerina insularis (Benth.) T.Koyama
65. Species Gahnia juncea (R.Br.) F.Muell. accepted as Machaerina juncea (R.Br.) T.Koyama
66. Species Gahnia kauaiensis Benl accepted as Gahnia vitiensis subsp. kauaiensis (Benl) T.Koyama
67. Species Gahnia lanaiensis O.Deg., I.Deg. & J.Kern accepted as Gahnia lacera (R.Lesson ex A.Rich.) Steud.
68. Species Gahnia leptostachya Boeckeler accepted as Gahnia beecheyi H.Mann
69. Species Gahnia leucocarpa R.Br. accepted as Gahnia grandis (Labill.) S.T.Blake
70. Species Gahnia mannii Hillebr. accepted as Gahnia beecheyi H.Mann
71. Species Gahnia melanocarpa Hook.f. accepted as Gahnia radula (R.Br.) Benth.
72. Species Gahnia mucronata Boeckeler accepted as Gahnia aspera subsp. globosa (H.Mann) J.Kern
73. Species Gahnia multiglumis Colenso accepted as Gahnia pauciflora Kirk
74. Species Gahnia parviflora Colenso accepted as Gahnia pauciflora Kirk
75. Species Gahnia penangensis (C.B.Clarke) Kük. accepted as Gahnia baniensis Benl
76. Species Gahnia polyphylla Benth. accepted as Gahnia drummondii (Steud.) K.L.Wilson
77. Species Gahnia preissii Nees accepted as Gahnia decomposita (R.Br.) Benth.
78. Species Gahnia psilocaulon Boeckeler accepted as Gahnia grandis (Labill.) S.T.Blake
79. Species Gahnia psittacorum Sieber ex C.Presl accepted as Gahnia filifolia (C.Presl) Kük. ex Benl
80. Species Gahnia psittacorum Labill. accepted as Gahnia grandis (Labill.) S.T.Blake
81. Species Gahnia rawacensis (Kunth) Steud. accepted as Gahnia aspera subsp. aspera (R.Br.) Spreng.
82. Species Gahnia robusta Kirk accepted as Gahnia rigida Kirk
83. Species Gahnia scaberula Colenso accepted as Gahnia pauciflora Kirk
84. Species Gahnia schoenoides (R.Br.) F.Muell. accepted as Machaerina acuta (Labill.) J.Kern
85. Species Gahnia sieberi (Schrad. ex Schult. & Schult.f.) Boeckeler accepted as Gahnia filifolia (C.Presl) Kük. ex Benl
86. Species Gahnia stokesii F.Br. accepted as Gahnia aspera subsp. aspera (R.Br.) Spreng.
87. Species Gahnia stricta Boeckeler accepted as Gahnia tristis Nees
88. Species Gahnia teretifolia Domin accepted as Gahnia filifolia (C.Presl) Kük. ex Benl
89. Species Gahnia tetragonocarpa Boeckeler accepted as Gahnia sieberiana Kunth
90. Species Gahnia urvilleana Kunth accepted as Gahnia erythrocarpa R.Br.
91. Species Gahnia wichurai Boeckeler accepted as Gahnia tristis Nees
92. Species Gahnia arthrophylla (Nees) F.Muell. (uncertain > unassessed)
93. Species Gahnia laxa (Nees) F.Muell. (uncertain > unassessed)
94. Species Gahnia leucosperma Nees (uncertain > unassessed)
95. Species Gahnia mariscus (L.) F.Muell. (uncertain > unassessed)
96. Section Gahnia sect. Agglutinatae Kük. (uncertain > unassessed)
97. Section Gahnia sect. Conflexae Kük. (uncertain > unassessed)
98. Section Gahnia sect. Eugahnia Benth. (uncertain > unassessed)
99. Section Gahnia sect. Gahnia Forst. (uncertain > unassessed)
100. Section Gahnia sect. Inclusae Kük. (uncertain > unassessed)
101. Section Gahnia sect. Lampocarya (R.Br.) Hook.f. (uncertain > unassessed)
102. Section Gahnia sect. Microstachyae Kük. (uncertain > unassessed)
103. Section Gahnia sect. Radulae Kük. (uncertain > unassessed)
104. Section Gahnia sect. Trifidae Kük. (uncertain > unassessed)
105. Subgenus Gahnia subg. Eu-gahnia C.B.Clarke (uncertain > unassessed)
106. Subgenus Gahnia subg. Lampocarya (R.Br.) Maiden & Betche (uncertain > unassessed)
107. Species Gahnia tetraquetra (Hook.f.) F.Muell. (uncertain > unassessed)
108. Species Gahnia triquetra F.Muell. (uncertain > unassessed)
109. Species Gahnia vaginalis (Benth.) F.Muell. (uncertain > unassessed)

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