1. Species Nitzschia abelmanniae A.Witkowski & Lange-Bertalot in Witkowski et al., 2015
2. Species Nitzschia aciculariformis Manguin, 1957 (uncertain > unassessed)
3. Species Nitzschia acicularis (Kützing) W.Smith, 1853 (uncertain > unassessed)
4. Species Nitzschia actydrophila Hasle, 1965 (uncertain > unassessed)
5. Species Nitzschia acuminata (W.Smith) Grunow, 1880 accepted as Tryblionella acuminata W.Smith, 1853 (Synonym)
6. Species Nitzschia adeliae Frenguelli, 1960 (unaccepted > nomen nudum, invalidly published)
7. Species Nitzschia aequatorialis Heiden, 1928 (uncertain > unassessed)
8. Species Nitzschia alcyoneae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
9. Species Nitzschia amabilis Suzuki, 2010 (uncertain > unassessed)
10. Species Nitzschia americana Hasle, 1964 (uncertain > unassessed)
11. Species Nitzschia angularis W.Smith, 1853
12. Species Nitzschia angulata Hasle, 1972 (uncertain > unassessed)
13. Species Nitzschia angusteforaminata Lange-Bertalot, 1980 (uncertain > unassessed)
14. Species Nitzschia antarctica Okuno, 1954 (uncertain > unassessed)
15. Species Nitzschia apiculata (Gregory) Grunow, 1878 accepted as Tryblionella apiculata Gregory, 1857 (Synonym)
16. Species Nitzschia apiculata (W.Gregory) Grunow, 1880 accepted as (synonym)
17. Species Nitzschia arenosa M.Garcia-Baptista, 1992
18. Species Nitzschia arierae Bing Liu, S.Blanco & B.Q.Huang, 2015
19. Species Nitzschia asteropeae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
20. Species Nitzschia australis (Peragallo) A.Mann, 1937 accepted as Nitzschia dubia var. australis Peragallo, 1921 (uncertain > unassessed)
21. Species Nitzschia baculum Frenguelli & Orlando, 1959 (unaccepted > nomen nudum)
22. Species Nitzschia baculum Frenguelli, 1949 †
23. Species Nitzschia barbieri M. Peragallo, 1921 accepted as Fragilariopsis barbieri (M. Peragallo) Cefarelli, Ferrario & Lundholm, 2021 (Basionym)
24. Species Nitzschia barkleyi Hustedt, 1952 (uncertain > unassessed)
25. Species Nitzschia bathurstensis M.H.Giffen, 1970 (uncertain > unassessed)
26. Species Nitzschia bicapitata Cleve, 1901 (uncertain > unassessed)
27. Species Nitzschia bilobata W.Smith, 1853
28. Species Nitzschia birostrata W.Smith, 1853 (uncertain > unassessed)
29. Species Nitzschia biundulata Al-Handal, J.Zimm., R.Jahn, Torstensson, A. & Wulff, A., 2019
30. Species Nitzschia bizertensis B.Smida, N.Lundholm, A.S.Hlaili & H.H.Mabrouk, 2014
31. Species Nitzschia braarudii G.R.Hasle, 1960 (uncertain > unassessed)
32. Species Nitzschia brachygramma D.G.Mann & Trobajo, 2014
33. Species Nitzschia brittonii Hagelstein, 1939
34. Species Nitzschia buschbeckii Witkowski, Lange-Bertalot & Ruppel, 2004 (uncertain > unassessed)
35. Species Nitzschia calamae Frenguelli, 1936
36. Species Nitzschia capitata Østrup, 1913 accepted as Homoeocladia capitata H.L. Smith, 1874 (uncertain > unassessed)
37. Species Nitzschia capuluspalae Simonsen, 1965 (uncertain > unassessed)
38. Species Nitzschia carahii Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
39. Species Nitzschia carnico-barica
40. Species Nitzschia celaenoae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
41. Species Nitzschia closterium (Ehrenberg) W.Smith, 1853 (uncertain > unassessed)
42. Species Nitzschia coarctata Grunow, 1880 (uncertain > unassessed)
43. Species Nitzschia commutata Grunow, 1880
44. Species Nitzschia compacta Hustedt, 1958 (uncertain > unassessed)
45. Species Nitzschia constricta (Gregory) Grunow, 1880 accepted as Psammodictyon constrictum f. parvum (Grunow) Belegratis, Louvrou & Economou-Amilli, 2012 (uncertain > unassessed)
46. Species Nitzschia curvirostris Cleve
47. Species Nitzschia curvula W.Smith, 1856 accepted as Stenopterobia curvula (W.Smith) Krammer, 1987 accepted as Nitzschia curvula var. curvula W. Smith, 1856 (Basionym)
48. Species Nitzschia cuspidata Hasle, 1965 (uncertain > unassessed)
49. Species Nitzschia cylindriformis Hasle, 1984 accepted as Fragilariopsis cylindriformis (Hasle) Hasle, 1993
50. Species Nitzschia cylindrus (Grunow) Hasle, 1972 (uncertain > unassessed)
51. Species Nitzschia dagmannii Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
52. Species Nitzschia decipiens Hustedt, 1958 (uncertain > unassessed)
53. Species Nitzschia delicatissima Cleve, 1897 (uncertain > unassessed)
54. Species Nitzschia delicatula Hasle, 1965 (uncertain > unassessed)
55. Species Nitzschia dentatum Suriyanti & Usup, 2017
56. Species Nitzschia dicrogramma D.G.Mann & Trobajo, 2014
57. Species Nitzschia diducta Hustedt, 1938 (uncertain > unassessed)
58. Species Nitzschia dietrichii Simonsen, 1974 (uncertain > unassessed)
59. Species Nitzschia divaricata Meunier, 1910 (uncertain > unassessed)
60. Species Nitzschia electrae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
61. Species Nitzschia elongata Hassal, 1845 accepted as Nitzschia sigmoidea (Nitzsch) W.Smith, 1853 (synonym)
62. Species Nitzschia epithemiformis Lange-Bertalot, 1980 (uncertain > unassessed)
63. Species Nitzschia epithemoides Grunow, 1880 (uncertain > unassessed)
64. Species Nitzschia filiformis (W.Smith) Hustedt
65. Species Nitzschia fontifuga Cholnoky, 1962 (uncertain > unassessed)
66. Species Nitzschia fossalis Hustedt, 1942 (uncertain > unassessed)
67. Species Nitzschia fraudulenta Cleve, 1897 (uncertain > unassessed)
68. Species Nitzschia frigida Grunow, 1880 (uncertain > unassessed)
69. Species Nitzschia frustulum (Kützing) Grunow, 1880
70. Species Nitzschia gaoi Bing Liu, S.Blanco & B.Q.Huang, 2015
71. Species Nitzschia gazellae Karsten, 1905 (uncertain > unassessed)
72. Species Nitzschia gelida Grunow (uncertain > unassessed)
73. Species Nitzschia gobbii Accoroni, Romagnoli, Giulietti & Totti in Giuletti et al., 2021
74. Species Nitzschia granii G.R.Hasle, 1964 (uncertain > unassessed)
75. Species Nitzschia granulata Grunow, 1880 (uncertain > unassessed)
76. Species Nitzschia grunowii Hasle, 1972 (uncertain > unassessed)
77. Species Nitzschia guamensis Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
78. Species Nitzschia gyrosigma Ohtsuka, 2005 (uncertain > unassessed)
79. Species Nitzschia heimii (Manguin) Hasle, 1965 accepted as Pseudonitzschia heimii Manguin, 1960 (uncertain > unassessed)
80. Species Nitzschia hemistriata Hagelstein, 1939
81. Species Nitzschia holsatica Hustedt, 1930 (uncertain > unassessed)
82. Species Nitzschia hungarica Grunow, 1862 accepted as Tryblionella hungarica (Grunow) Frenguelli, 1942 accepted as Nitzschia hungarica f. hungarica Grunow, 1862 (Basionym)
83. Species Nitzschia hybrida Grunow
84. Species Nitzschia inflatula G.R.Hasle, 1974 (uncertain > unassessed)
85. Species Nitzschia insignis Gregory, 1857
86. Species Nitzschia interruptestriata Simonsen, 1974 (uncertain > unassessed)
87. Species Nitzschia johorensis Suriyanti & Usup, 2017
88. Species Nitzschia jordanii Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
89. Species Nitzschia kalganica Skvortzov, 2012 (uncertain)
90. Species Nitzschia kerguelensis (O'Meara) Hasle, 1965 accepted as Terebraria kerguelensis E.O'Meara, 1876 † (uncertain > unassessed)
91. Species Nitzschia kolaczeckii Grunow, 1867
92. Species Nitzschia kowiensis Giffen, 1970 (uncertain > unassessed)
93. Species Nitzschia kuetzingiana Hilse, 1863
94. Species Nitzschia laevis Hustedt, 1939 (uncertain > unassessed)
95. Species Nitzschia lecointei van Heurck, 1909 (uncertain > unassessed)
96. Species Nitzschia ligowskii Witkowski, Lange-Bertalot, Kociolek & Brzezinska, 2004 (uncertain > unassessed)
97. Species Nitzschia lineata (Castracane) Hasle, 1972 (uncertain > unassessed)
98. Species Nitzschia lineola Cleve, 1897 (uncertain > unassessed)
99. Species Nitzschia longissima (Brébisson) Ralfs, 1861
100. Species Nitzschia lorenziana Grunow, 1879
101. Species Nitzschia maiae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
102. Species Nitzschia majuscula Grunow
103. Species Nitzschia marginulata Grunow, 1880 (uncertain > unassessed)
104. Species Nitzschia marina Grunow, 1880 (uncertain > unassessed)
105. Species Nitzschia medioconstricta Hustedt, 1958 (uncertain > unassessed)
106. Species Nitzschia meropeae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
107. Species Nitzschia migrans Cleve, 1897 (uncertain > unassessed)
108. Species Nitzschia minutissima W.Smith, 1853 (uncertain > unassessed)
109. Species Nitzschia multistriata Takano, 1993 (uncertain > unassessed)
110. Species Nitzschia nanodissipata Ch.Li & Witkowski in Witkowski et al., 2016
111. Species Nitzschia navicularis (Brébisson) Grunow, 1880 accepted as Tryblionella navicularis (Brébisson) Ralfs, 1861 accepted as Surirella navicularis Brébisson, 1849 (Synonym)
112. Species Nitzschia navis-varingica N.Lundholm & Ø.Moestrup, 2000
113. Species Nitzschia obliquecostata (Van Heurck) Hasle, 1972 accepted as Fragilaria obliquecostata f. obliquecostata Van Heurck, 1909 (uncertain > unassessed)
114. Species Nitzschia obtusa W.Smith, 1853
115. Species Nitzschia omanensis Barkia I. & Ch. Li, 2019
116. Species Nitzschia ossiformis (Taylor) Simonsen, 1974 accepted as Synedra ossiformis Taylor, 1967 (uncertain > unassessed)
117. Species Nitzschia ovalis H.J.Arnott, 1880
118. Species Nitzschia paaschei Hasle, 1965 (uncertain > unassessed)
119. Species Nitzschia pacifica Cupp, 1943 (uncertain > unassessed)
120. Species Nitzschia papillosa Bertolli, Talgatti & Torgan, 2016
121. Species Nitzschia paradoxa (J.F.Gmelin) Grunow, 1880 accepted as Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 accepted as Vibrio paxillifer O.F.Müller, 1786 (synonym)
122. Species Nitzschia pararostrata (H.Lange-Bertalot) H.Lange-Bertalot, in Nevo & Wasser, 2000
123. Species Nitzschia parkii D.G.Mann & Trobajo, 2014
124. Species Nitzschia parvula W.Smith, 1853
125. Species Nitzschia paxillifer (O.F.Müller) Heiberg, 1863 accepted as Vibrio paxillifer O.F.Müller, 1786 (uncertain > unassessed)
126. Species Nitzschia peragalli Hasle, 1965 accepted as Fragilariopsis peragallii (Hasle) Cremer, 2003 (Basionym)
127. Species Nitzschia peragallii Hasle, 1965
128. Species Nitzschia perpusilla Rabenhorst, (1861)1864 (uncertain > unassessed)
129. Species Nitzschia persuadens Cholnoky, 1961 (uncertain > unassessed)
130. Species Nitzschia petitiana Grunow, 1880 (uncertain > unassessed)
131. Species Nitzschia polaris Grunow ex Cleve, 1883 (uncertain > unassessed)
132. Species Nitzschia porteri Frenguelli, 1949 †
133. Species Nitzschia praelonga Cleve, 1881 (uncertain > unassessed)
134. Species Nitzschia prolongata Manguin, 1957 (uncertain > unassessed)
135. Species Nitzschia prolongatoides G.R.Hasle, 1965 (uncertain > unassessed)
136. Species Nitzschia promare Medlin, 1990 (uncertain > unassessed)
137. Species Nitzschia pseudodelicatissima Hasle, 1976 (uncertain > unassessed)
138. Species Nitzschia pseudonana Hasle, 1974 (uncertain > unassessed)
139. Species Nitzschia pseudoseriata G.R.Hasle, 1965 accepted as Pseudonitzschia australis Frenguelli, 1939 (uncertain > unassessed)
140. Species Nitzschia pubens Cholnoky, 1960 (uncertain > unassessed)
141. Species Nitzschia punae Frenguelli, 1936
142. Species Nitzschia punctata (W.Smith) Grunow, 1878 accepted as Tryblionella punctata W.Smith, 1853 (Synonym)
143. Species Nitzschia pungens Grunow ex Cleve, 1897 (uncertain > unassessed)
144. Species Nitzschia pungiformis G.R.Hasle, 1971 (uncertain > unassessed)
145. Species Nitzschia quickiana Hagelstein, 1939 (uncertain > unassessed)
146. Species Nitzschia ritscheri (Hustedt) Hasle, 1972 accepted as Fragilariopsis ritscheri Hustedt, 1958 (uncertain > unassessed)
147. Species Nitzschia romanowiana Pantocsek, 1902 (uncertain > unassessed)
148. Species Nitzschia sancti-francisci A. Witkowski & Lange-Bertalot in Witkowski et al., 2015
149. Species Nitzschia sansimoni S.Blanco, I.Alvarez-Blanco & C.Cejudo-Figueiras, 2012
150. Species Nitzschia schefterae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
151. Species Nitzschia schweikertii Witkowski, Lange-Bertalot, Ruppel & Kociolek, 2004 (uncertain > unassessed)
152. Species Nitzschia separanda (Hustedt) Hasle, 1972 accepted as Fragilariopsis separanda Hustedt, 1958 (uncertain > unassessed)
153. Species Nitzschia seratia Cleve accepted as Nitzschia seriata Cleve, 1883 accepted as Pseudo-nitzschia seriata (Cleve) H.Peragallo, 1899 (misspelling)
154. Species Nitzschia seriata Cleve, 1883 accepted as Pseudo-nitzschia seriata (Cleve) H.Peragallo, 1899 (Synonym)
155. Species Nitzschia sibula M.H.Giffen, 1973 (uncertain > unassessed)
156. Species Nitzschia sicula (Castracane) Hustedt
157. Species Nitzschia simsiae Witkowski, Lange-Bertalot & Kociolek in Witkowski et al., 2015
158. Species Nitzschia sinensis Liu et al., 1984 (uncertain > unassessed)
159. Species Nitzschia solida J.Frenguelli & H.A.Orlando, 1958 (unaccepted > nomen nudum, invalidly published)
160. Species Nitzschia spathulata W.Smith, 1853
161. Species Nitzschia spathulatoides Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
162. Species Nitzschia spectabilis (Ehrenberg) Ralfs, 1861
163. Species Nitzschia stagnorum Rabenhorst, 1860 accepted as Nitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978 accepted as Navicula umbonata Ehrenberg, 1837 (Synonym)
164. Species Nitzschia stellata Manguin, 1957 (uncertain > unassessed)
165. Species Nitzschia stompsii Cholnoky, 1963 (uncertain > unassessed)
166. Species Nitzschia subcurvata G.R.Hasle, 1964 (uncertain > unassessed)
167. Species Nitzschia taenia W.Smith, 1853 (uncertain > unassessed)
168. Species Nitzschia taygeteae Lobban, Ashworth, Calaor & E.C.Ther. in Lobban et al., 2019
169. Species Nitzschia thermalis (Ehrenberg) Auerswald, 1861
170. Species Nitzschia tiltilensis Frenguelli, 1949 †
171. Species Nitzschia traheaformis Ch.Li, Witkowski & Sh.Yu in Witkowski et al., 2016
172. Species Nitzschia trobajoae A.Witkowski, Lange-Bertalot & Kociolek in Witkowski et al., 2015
173. Species Nitzschia tryblionella Hantzsch, 1860
174. Species Nitzschia tubicola Grunow, 1880 (uncertain > unassessed)
175. Species Nitzschia turgiduloides G.R.Hasle, 1965 (uncertain > unassessed)
176. Species Nitzschia vacillata Giffen, 1967 (uncertain > unassessed)
177. Species Nitzschia vanheurckii (Peragallo) Hasle, 1972 accepted as Fragilaria vanheurckii Peragallo, 1921 (uncertain > unassessed)
178. Species Nitzschia virgata Roper, 1858 accepted as Hantzschia virgata (Roper) Grunow, 1880 (synonym)
179. Species Nitzschia volvendirostrata Ashworth, Dᶏbek & Witkowski in Witkowski et al., 2016
180. Species Nitzschia yunchengensis Xie & Li, 1994

 The webpage text is licensed under a Creative Commons Attribution 4.0 License