Silva Center for Phycological Documentation: Index Nominum Algarum

The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Tabular display

Results from INA database

  1. CLOSTERIUM C.L. Nitzsch image
  2. CLOSTERIUM C.L. Nitzsch ex J. Ralfs image
  3. CLOSTERIUM [section or subgenus] STAUROCERAS (F.T. Kützing) J.E. Gray image
  4. CLOSTERIUM sect. IV. ROYA (West & G.S. West) J.N.F. Wille, H.G.A. Engler & K.A.E. Prantl image
  5. CLOSTERIUM sect. ROSTRATA J.N.F. Wille image
  6. CLOSTERIUM section EUCLOSTERIUM - - image
  7. CLOSTERIUM subgen. HOLOPENIUM (F. Gay) M. Hirano image
  8. CLOSTERIUM subgenera CLOSTERIUM C.W. Nägeli image
  9. CLOSTERIUM subgenera SELENOCERAS W.B. Turner image
  10. CLOSTERIUM subgenus ASTEROSELENE V.B. Wittrock image
  11. CLOSTERIUM subgenus CLOSTERIUM C.G. Ehrenberg image
  12. CLOSTERIUM subgenus CLOSTERIUM C.G. Ehrenberg image
  13. Calciosolenia granii var. closterium Schiller image
  14. Ceratoneis closterium C.G. Ehrenberg image
  15. Ceratoneis closterium C.G. Ehrenberg image
  16. Ceratoneis closterium Ehrenberg
  17. Ceratoneis closterium var. californica (Mereschkowsky) R. Jahn & W.-H. Kusber
  18. Closterium abruptum West image
  19. Closterium abruptum f. africana F.E. Fritsch & M.F. Rich image
  20. Closterium abruptum f. angustissima W. Schmidle image
  21. Closterium abruptum f. angustum R.L. Grönblad image
  22. Closterium abruptum f. bohemica K. Rosa image
  23. Closterium abruptum f. brevius_('brevior') G.R. Cedergren image
  24. Closterium abruptum f. brevius_('brevior') West & G.S. West image
  25. Closterium abruptum f. majus_('major') G.E. Huber-Pestalozzi image
  26. Closterium abruptum f. majus_('major') Huber-Pestalozzi {illegitimate}
  27. Closterium abruptum f. majus_('major') J. Traunsteiner & M. Traunsteiner
  28. Closterium abruptum f. majus_('major') Noda & Skvortzov {illegitimate}
  29. Closterium abruptum f. minus_('minor') Y.V. Roll image
  30. Closterium abruptum f. nilssonii (Borge) A.J. Brook & D.B. Williamson
  31. Closterium abruptum f. punctata West image
  32. Closterium abruptum subsp. brevius (West & G.S. West) F.M. Sarim & M.A.F. Faridi image
  33. Closterium abruptum var. brasiliense (O.F. Borge) K. Förster image
  34. Closterium abruptum var. brevius (West & G.S. West) West & G.S. West image
  35. Closterium abruptum var. cambricum W. Turner image
  36. Closterium abruptum var. canadense P. Bourrelly image
  37. Closterium abruptum var. elongatum K. Leher {invalid}
  38. Closterium abruptum var. elongatum K.P. Biswas image
  39. Closterium abruptum var. maius (G.E. Huber-Pestalozzi) Willi Krieger image
  40. Closterium abruptum var. maius Krieger {illegitimate}
  41. Closterium abruptum var. majus_('maius') (J. Traunsteiner & M. Traunsteiner) Ruzička {illegitimate}
  42. Closterium abruptum var. majus_('major') M. Noda & B.V. Skvortzov image
  43. Closterium abruptum var. vallesiacum L. Viret image
  44. Closterium abruptum var. westiorum M.I. Claassen image
  45. Closterium acerosum (Schrank) Ehrenberg
  46. Closterium acerosum C.G. Ehrenberg ex J. Ralfs image
  47. Closterium acerosum f. abnormale_('abnormalis') P.E.E. Kaiser image
  48. Closterium acerosum f. attenuata W.B. Turner image
  49. Closterium acerosum f. colorato-glabra N.N. Woronichin image
  50. Closterium acerosum f. elongatum (L.A. Brebisson) E.K. Kossinskaja image
  51. Closterium acerosum f. incolorato-punctata N.N. Woronichin image
  52. Closterium acerosum f. intermedia R. Gutwinski image
  53. Closterium acerosum f. intermedia R. Gutwinski image
  54. Closterium acerosum f. lanceolatum (F.T. Kützing) P.F. Reinsch image
  55. Closterium acerosum f. longior S.P. Petkoff image
  56. Closterium acerosum f. majus P.F. Reinsch image
  57. Closterium acerosum f. minus_('minor') West & G.S. West image
  58. Closterium acerosum f. rectum A.M. Scott & G.W. Prescott image
  59. Closterium acerosum f. sigmoidea G. Deflandre image
  60. Closterium acerosum f. sigmoideum (N.G. Lagerheim & C.F.O. Nordstedt) T.J.C. Irenee-Marie image
  61. Closterium acerosum f. subtilissime-striatum E.K. Kossinskaja image
  62. Closterium acerosum subsp. minus (C.A. Hantzsch) F.M. Sarim & M.A.F. Faridi image
  63. Closterium acerosum var. africana P. Bourrelly image
  64. Closterium acerosum var. angolense West & G.S. West image
  65. Closterium acerosum var. angustius E.O. Hughes image
  66. Closterium acerosum var. bonariense S. Yacubson image
  67. Closterium acerosum var. borgei W. Krieger
  68. Closterium acerosum var. casinoense_('casinoensis') G.I. Playfair image
  69. Closterium acerosum var. elongatum L.A. Brebisson image
  70. Closterium acerosum var. elongatum West image
  71. Closterium acerosum var. kruppiana O. Zacharias image
  72. Closterium acerosum var. kwangsiense C.C. Jao image
  73. Closterium acerosum var. lanceolatum (F.T. Kützing) G.A. Klebs image
  74. Closterium acerosum var. lanceolatum (F.T. Kützing) G.I. Playfair image
  75. Closterium acerosum var. maximum H.C. Wood
  76. Closterium acerosum var. minus C.A. Hantzsch image
  77. Closterium acerosum var. nasutum M. Hirano image
  78. Closterium acerosum var. parvum T. Hinode image
  79. Closterium acerosum var. porosum M. Hirano image
  80. Closterium acerosum var. rectum P. Palik image
  81. Closterium acerosum var. rollianum E.K. Kossinskaja image
  82. Closterium acerosum var. rollianum Kosinskaya ex Petlovany
  83. Closterium acerosum var. rollianum Kosinskaya {invalid}
  84. Closterium acerosum var. sikangense C.C. Jao image
  85. Closterium acerosum var. subangustum G.A. Klebs image
  86. Closterium acerosum var. truncatum R. Gutwinski image
  87. Closterium acerosum var. typicum G.A. Klebs image
  88. Closterium acerosum var. waterbergense M.I. Claassen image
  89. Closterium aciculare T. West image
  90. Closterium aciculare f. brevius A. Elenkin image
  91. Closterium aciculare f. minus P.E.E. Kaiser image
  92. Closterium aciculare f. minus_('minor') I.A. Kisselev image
  93. Closterium aciculare var. robustius R.H. Chodat image
  94. Closterium aciculare var. subpronum (West) West & G.S. West image
  95. Closterium acuminatum Corda
  96. Closterium acuminatum F.T. Kützing image
  97. Closterium acuminatum Kützing
  98. Closterium acus (F.J.H. Müller) C.L. Nitzsch image
  99. Closterium acutum (H.C. Lyngbye) L.A. Brebisson image
  100. Closterium acutum L.A. Brebisson ex J. Ralfs image
  101. Closterium acutum f. cornu (C.G. Ehrenberg) P.F. Reinsch image
  102. Closterium acutum f. elongata G.L. Rabenhorst image
  103. Closterium acutum f. intermedia S.P. Petkoff image
  104. Closterium acutum f. latius_('latior') S.P. Petkoff image
  105. Closterium acutum f. lyngbyanum P.F. Reinsch image
  106. Closterium acutum f. minus_('minor') F. Hustedt image
  107. Closterium acutum f. minus_('minor') M.I. Claassen image
  108. Closterium acutum f. tenuius_('tenuior') C.F.O. Nordstedt image
  109. Closterium acutum var. ceratium (Perty) W. Krieger
  110. Closterium acutum var. latius Grönblad {illegitimate}
  111. Closterium acutum var. linea (J.A.M. Perty) West & G.S. West image
  112. Closterium acutum var. maius W. Krieger
  113. Closterium acutum var. variabile (Lemmermann) W. Krieger
  114. Closterium affine F. Gay image
  115. Closterium amblyonema C.G. Ehrenberg image
  116. Closterium amblyonema C.G. Ehrenberg ex J. Ralfs image
  117. Closterium amphiceps C.C. Jao image
  118. Closterium anastomosans var. glabrum R. Gutwinski image
  119. Closterium anastomosum West & G.S. West
  120. Closterium anguineum D.B. Williamson
  121. Closterium angustatum F.T. Kützing image
  122. Closterium angustatum F.T. Kützing ex J. Ralfs image
  123. Closterium angustatum Kützing ex Ralfs
  124. Closterium angustatum f. boergesenii R. Gutwinski image
  125. Closterium angustatum f. boergesenii R. Gutwinski image
  126. Closterium angustatum f. elongatum_('elongata') J. Traunsteiner & M. Traunsteiner
  127. Closterium angustatum f. multistriatum G.W. Prescott
  128. Closterium angustatum f. sculptum (Raciborski) A.J. Brook & D.B. Williamson
  129. Closterium angustatum f. tenue_('tenuis') K. Rosa image
  130. Closterium angustatum subsp. gracilius (H.T. Croasdale) F.M. Sarim & M.A.F. Faridi image
  131. Closterium angustatum var. annulatum E.O. Hughes image
  132. Closterium angustatum var. asperum West image
  133. Closterium angustatum var. clavatum W.N. Hastings image
  134. Closterium angustatum var. gracile E.K. Kossinskaja image
  135. Closterium angustatum var. gracilius H.T. Croasdale image
  136. Closterium angustatum var. multinucleatum G. Deflandre image
  137. Closterium angustatum var. pseudoboergesenii K. Behre image
  138. Closterium angustatum var. recta T.J.C. Irenee-Marie image
  139. Closterium angustatum var. reticulatum F. Wolle image
  140. Closterium angustatum var. sculptum (M. Raciborski) J. Ruzicka image
  141. Closterium angustatum var. speciosum (W.B. Turner) W. Schmidle
  142. Closterium angustatum var. subclavatum P. Bourrelly & A. Couté
  143. Closterium angustatum var. subclavatum P. Bourrelly & A. Coute image
  144. Closterium angustatum var. subrectum W. Schmidle image
  145. Closterium angustum C.A. Hantzsch image
  146. Closterium annandalei P.J. Brühl & K.P. Biswas image
  147. Closterium antarcticum C.G. Ehrenberg image
  148. Closterium antiacerosum G. De Notaris image
  149. Closterium archerianum Cleve ex P.M. Lundell image
  150. Closterium archerianum f. grande G.W. Prescott
  151. Closterium archerianum f. majus Irénée-Marie {illegitimate}
  152. Closterium archerianum f. majus_('major') T.J.C. Irenee-Marie image
  153. Closterium archerianum f. sigmoideum T.J.C. Irenee-Marie & D.K. Hilliard image
  154. Closterium archerianum var. compressum G.A. Klebs image
  155. Closterium archerianum var. cynthia (G. De Notaris) G.A. Klebs image
  156. Closterium archerianum var. minus_('minor') H.L. Skuja image
  157. Closterium archerianum var. pseudocynthia J. Ruzicka image
  158. Closterium archerianum var. pseudocynthia Ruzička
  159. Closterium archerianum var. typicum G.A. Klebs image
  160. Closterium arcuarium E.O. Hughes image
  161. Closterium arcuarium var. brevius G.W. Prescott
  162. Closterium arcuarium var. sikkimense J.P. Keshri & D. Das
  163. Closterium arcuatum Brébisson ex Ralfs
  164. Closterium arcuatum L.A. Brebisson image
  165. Closterium arcus A.J. Brook & D.B. Williamson
  166. Closterium areolatum H.C. Wood
  167. Closterium areolatum f. glabra R. Gutwinski image
  168. Closterium areolatum f. simplicior R. Gutwinski image
  169. Closterium areolatum var. affine E.J. Lemmermann image
  170. Closterium arnoldianum Y.V. Roll image
  171. Closterium atomicum M.I. Claassen image
  172. Closterium attenuatum C.G. Ehrenberg image
  173. Closterium attenuatum C.G. Ehrenberg ex J. Ralfs image
  174. Closterium attenuatum f. abbreviatum G.W. Prescott
  175. Closterium attenuatum f. borgei K.H.O. Printz image
  176. Closterium attenuatum f. latius E.K. Kossinskaja image
  177. Closterium attenuatum subsp. sculptum C.F.O. Nordstedt image
  178. Closterium auerswaldii G.L. Rabenhorst image
  179. Closterium auerswaldii G.L. Rabenhorst image
  180. Closterium aureum C.G.T. Preuss image
  181. Closterium australe C.G. Ehrenberg image
  182. Closterium bacillum W. Joshua image
  183. Closterium baculum L.A. Brebisson image
  184. Closterium baculum L.A. Brebisson image
  185. Closterium baillyanum L.A. Brebisson image
  186. Closterium baillyanum L.A. Brebisson image
  187. Closterium baillyanum f. asperulatum (West & G.S. West) T.J.C. Irenee-Marie image
  188. Closterium baillyanum f. crassum_('crassa') T.J.C. Irenee-Marie image
  189. Closterium baillyanum f. curvatum K. Thomasson image
  190. Closterium baillyanum f. sigmoideum T.J.C. Irenee-Marie image
  191. Closterium baillyanum f. sigmoideum T.J.C. Irenee-Marie image
  192. Closterium baillyanum f. stellata R.L. Grönblad image
  193. Closterium baillyanum f. tenue_('tenuis') G. Nygaard image
  194. Closterium baillyanum f. tenue_('tenuis') K. Rosa image
  195. Closterium baillyanum var. alpinum (Viret) Grönblad
  196. Closterium baillyanum var. annulatum B. Eichler & M. Raciborski image
  197. Closterium baillyanum var. multinucleatum (C.F.O. Nordstedt) R.L. Grönblad image
  198. Closterium baillyanum var. parvulum R.L. Grönblad image
  199. Closterium baillyanum var. rectum (Rosa) W. Krieger
  200. Closterium baillyanum var. tenue (G. Nygaard) G. Nygaard image
  201. Closterium balatonicum T. Hortobágyi image
  202. Closterium balatonicum T. Hortobágyi image
  203. Closterium balmacarense W. Turner image
  204. Closterium balmacarense var. scoticum (W.B. Turner) W. Krieger
  205. Closterium balmacarense var. striatum_(`striata') P. Bourrelly & A. Couté
  206. Closterium barbaricum M.I. Claassen image
  207. Closterium biclavatum F.C.E. Børgesen image
  208. Closterium biclavatum f. australiense A.M. Scott ex H. Croasdale
  209. Closterium biclavatum f. australiense A.M. Scott ex H.T. Croasdale image
  210. Closterium biclavatum f. tortum Y. Kanetsuna
  211. Closterium bicurvatum G.B. Delponte image
  212. Closterium bicurvatum var. majus_('major') S.P. Petkoff image
  213. Closterium bienense G. De Notaris image
  214. Closterium bitangchoianum J.P. Keshri & D. Das
  215. Closterium bogoriense C. Bernard image
  216. Closterium borodinianum Y.V. Roll image
  217. Closterium boyanum M.I. Claassen image
  218. Closterium braunianum P.F. Reinsch image
  219. Closterium braunii P.F. Reinsch image
  220. Closterium braunii f. sculpta (C.F.O. Nordstedt) R.L. Grönblad image
  221. Closterium brebissonii G.B. Delponte image
  222. Closterium brebissonii var. substriatum Grönblad
  223. Closterium brebissonii var. substriatum R.L. Grönblad image
  224. Closterium brebissonii_('brebissonii') G.G.A. Meneghini image
  225. Closterium brunelii P. Bourrelly image
  226. Closterium bucharica I.A. Kisselev image
  227. Closterium caffrorum M.I. Claassen image
  228. Closterium calamus G.I. Playfair image
  229. Closterium calosporum V.B. Wittrock image
  230. Closterium calosporum f. dianoides P.E.E. Kaiser image
  231. Closterium calosporum f. erectum G.W. Prescott
  232. Closterium calosporum f. majus_('major') West & G.S. West image
  233. Closterium calosporum f. minus_('minor') G.E. Huber-Pestalozzi image
  234. Closterium calosporum f. minus_('minor') Wille image
  235. Closterium calosporum f. typica R. Gutwinski image
  236. Closterium calosporum var. brasiliense F.C.E. Børgesen image
  237. Closterium calosporum var. galiciense R. Gutwinski image
  238. Closterium calosporum var. himalayense M. Watanabe {invalid}
  239. Closterium calosporum var. minus_('minor') M.I. Claassen image
  240. Closterium cancer G.I. Playfair image
  241. Closterium candianum G.B. Delponte image
  242. Closterium capense G.L. Rabenhorst image
  243. Closterium capillare Delponte
  244. Closterium capillare G.B. Delponte image
  245. Closterium capitatum Y.V. Roll image
  246. Closterium carniolicum J. Lütkemüller image
  247. Closterium caudatum Corda {invalid}
  248. Closterium ceratium J.A.M. Perty image
  249. Closterium ceratium Perty
  250. Closterium ceratium var. angustum M.I. Claassen image
  251. Closterium cingulum G.I. Playfair image
  252. Closterium claassenii A. Levanets
  253. Closterium clandestinum F.T. Kützing image
  254. Closterium closterioides (J. Ralfs) A. Louis & F. Peeters image
  255. Closterium closterioides (J. Ralfs) J. Ruzicka image
  256. Closterium closterioides var. angusticeps (Grönblad) G.J.P. Ramos & C.W.N. Moura
  257. Closterium closterioides var. elongatum (Willi Krieger) J. Ruzicka image
  258. Closterium closterioides var. intermedium (J. Roy & J. Bisset) J. Ruzicka image
  259. Closterium coloratum (G.A. Klebs) R. Gutwinski image
  260. Closterium coloratum (G.A. Klebs) R. Gutwinski image
  261. Closterium columbianum G.S. West image
  262. Closterium compactum C.F.O. Nordstedt image
  263. Closterium compactum C.F.O. Nordstedt image
  264. Closterium compactum var. minus P. Bourrelly image
  265. Closterium complanatum G.B. Delponte image
  266. Closterium concinnum T. Hinode image
  267. Closterium constrictum R. Gutwinski image
  268. Closterium cordanum R. Gutwinski image
  269. Closterium cordanum R. Gutwinski image
  270. Closterium cornu C.G. Ehrenberg image
  271. Closterium cornu C.G. Ehrenberg ex J. Ralfs image
  272. Closterium cornu f. elongata G.L. Rabenhorst image
  273. Closterium cornu f. hyalina A. Kurz image
  274. Closterium cornu f. majus_('major') J.N.F. Wille image
  275. Closterium cornu f. tumida G.L. Rabenhorst image
  276. Closterium cornu subsp. croasdalei M.A.F. Faridi image
  277. Closterium cornu var. angustum M.I. Claassen image
  278. Closterium cornu var. arcum West image
  279. Closterium cornu var. brasiliense_('brasiliensis') F.C.E. Børgesen image
  280. Closterium cornu var. gibbum (Borge) O.A. Petlovany
  281. Closterium cornu var. javanicum R. Gutwinski image
  282. Closterium cornu var. minus_('minor') M.I. Claassen image
  283. Closterium cornu var. minus_('minor') T.J.C. Irenee-Marie image
  284. Closterium cornu var. siamense West & G.S. West image
  285. Closterium cornu var. sigmoidea H. Bachmann image
  286. Closterium cornu var. tenuissima P.J. Brühl & K.P. Biswas image
  287. Closterium cornu var. upsaliense C.F.O. Nordstedt image
  288. Closterium cornutum G.I. Playfair image
  289. Closterium cornutum Playfair
  290. Closterium coronatum f. minus K. Förster
  291. Closterium costatosporum C.E. Taft image
  292. Closterium costatum A.K.J. Corda ex J. Ralfs image
  293. Closterium costatum Corda ex Ralfs
  294. Closterium costatum Corda {invalid}
  295. Closterium costatum f. borgeana N.N. Woronichin image
  296. Closterium costatum f. inflatum G.W. Prescott
  297. Closterium costatum f. intermedia F. Ducellier image
  298. Closterium costatum f. klebsii R.L. Grönblad image
  299. Closterium costatum f. rectum G.W. Prescott
  300. Closterium costatum var. borgei (W. Krieger) J. Ruzička
  301. Closterium costatum var. borgei (Willi Krieger) J. Ruzicka image
  302. Closterium costatum var. curtum L.A. Brebisson image
  303. Closterium costatum var. dilatatum (W. West & G.S. West) W. Krieger
  304. Closterium costatum var. erectum Grönblad
  305. Closterium costatum var. leve_('levis') T.J.C. Irenee-Marie image
  306. Closterium costatum var. multinucleatum G. Deflandre image
  307. Closterium costatum var. multipyrenoidum P. Bourrelly & A. Couté
  308. Closterium costatum var. multipyrenoidum P. Bourrelly & A. Coute image
  309. Closterium costatum var. scottii G.W. Prescott
  310. Closterium costatum var. spirostriolatum (Raciborski) W. Krieger
  311. Closterium costatum var. subcostatum (Nordstedt) W. Krieger
  312. Closterium costatum var. subtumidum M. Raciborski image
  313. Closterium costatum var. turgidulum (F.T. Kützing) G.L. Rabenhorst image
  314. Closterium costatum var. wagae (R. Gutwinski) K. Rosa & J. Ruzicka image
  315. Closterium costatum var. westii J.A. Cushman image
  316. Closterium crameri C. Bernard image
  317. Closterium crassestriatum Archer
  318. Closterium crassestriatum W. Archer image
  319. Closterium crassum G.B. Delponte image
  320. Closterium crassum G.L. Rabenhorst image
  321. Closterium crassum var. longissimum L. Viret image
  322. Closterium crenulatum C.G. Ehrenberg image
  323. Closterium croasdaleae A.K.M.N. Islam image
  324. Closterium cucumis C.G. Ehrenberg image
  325. Closterium cucumis C.G. Ehrenberg ex J. Ralfs image
  326. Closterium curtum Brébisson ex Kützing
  327. Closterium curtum L.A. Brebisson ex F.T. Kützing image
  328. Closterium curtum L.A. Brebisson image
  329. Closterium curtum L.A. Brebisson image
  330. Closterium cuspidatum Bailey image
  331. Closterium cuspidatum Bailey ex Ralfs
  332. Closterium cylindrocystis F.T. Kützing image
  333. Closterium cylindrus C.G. Ehrenberg image
  334. Closterium cymbelliforme_('cymbellaeformis') M.I. Claassen image
  335. Closterium cynthia De Notaris
  336. Closterium cynthia G. De Notaris image
  337. Closterium cynthia f. lata W. Schmidle image
  338. Closterium cynthia f. punctatum G.W. Prescott & A.M. Scott image
  339. Closterium cynthia var. curvatissimum W. West & G.S. West
  340. Closterium cynthia var. curvatissimum West & G.S. West image
  341. Closterium cynthia var. curvatum V. Therezien image
  342. Closterium cynthia var. jenneri (Ralfs) W. Krieger {illegitimate}
  343. Closterium cynthia var. minutum Y. Kanetsuna
  344. Closterium cynthia var. robustum (G.S. West) W. Krieger {illegitimate}
  345. Closterium cynthia var. waterbergense M.I. Claassen image
  346. Closterium cynthiiforme_('cynthiaforme') M.C. Van Westen & P.F.M. Coesel
  347. Closterium cynthioides J. Sampaio image
  348. Closterium dacchense A.K.M.N. Islam image
  349. Closterium decorum Brébisson
  350. Closterium decorum L.A. Brebisson image
  351. Closterium decorum f. gracilius Maskell
  352. Closterium decorum f. gracilius_('gracilior') W.M. Maskell image
  353. Closterium decorum f. minus_('minor') E.E. Manguin image
  354. Closterium decorum f. minus_('minor') West & G.S. West image
  355. Closterium decorum var. breve West & G.S. West image
  356. Closterium decorum var. minus_('minor') B.V. Skvortzov image
  357. Closterium decorum var. minus_('minor') M.I. Claassen image
  358. Closterium decussatum F.T. Kützing image
  359. Closterium decussatum F.T. Kützing ex J. Ralfs image
  360. Closterium delectum M. Noda & B.V. Skvortzov image
  361. Closterium delpontei f. angustura M. Raciborski image
  362. Closterium delpontei f. glabrum_('glabra') R. Gutwinski image
  363. Closterium delpontei f. sculptum_('sculpta') R. Gutwinski image
  364. Closterium delpontei var. dilatatum (W. Schmidle) K. Förster image
  365. Closterium delpontei var. dilatatum (W. Schmidle) K. Förster image
  366. Closterium delpontei var. elongatum West & G.S. West image
  367. Closterium delpontei var. minimum C. Bernard image
  368. Closterium delpontei var. nordstedtii W. Krieger
  369. Closterium delpontei var. rectum G.I. Playfair image
  370. Closterium delpontei var. truncatum (W.B. Turner) Willi Krieger image
  371. Closterium dianae C.G. Ehrenberg image
  372. Closterium dianae C.G. Ehrenberg ex J. Ralfs image
  373. Closterium dianae f. brevius_('brevior') S.P. Petkoff image
  374. Closterium dianae f. crassior J. Roubal image
  375. Closterium dianae f. intermedium E.K. Kossinskaja image
  376. Closterium dianae f. majus_('major') J.N.F. Wille image
  377. Closterium dianae f. majus_('major') S. Yacubson image
  378. Closterium dianae f. minus_('minor') F. Hustedt image
  379. Closterium dianae f. minus_('minor') G.E. Huber-Pestalozzi image
  380. Closterium dianae f. rectius_('rectior') Wittrock & Nordstedt image
  381. Closterium dianae f. verrucosa F. Nagy-Tóth image
  382. Closterium dianae subsp. brevius (S.P. Petkoff) F.M. Sarim & M.A.F. Faridi image
  383. Closterium dianae var. arcuatum (L.A. Brebisson) G.L. Rabenhorst image
  384. Closterium dianae var. compressum G.A. Klebs image
  385. Closterium dianae var. crassum T. Hinode image
  386. Closterium dianae var. excavatum (O.F. Borge) J. Ruzicka image
  387. Closterium dianae var. incurvum (L.A. Brebisson) G.A. Klebs image
  388. Closterium dianae var. jenneri (J. Ralfs) G.A. Klebs image
  389. Closterium dianae var. majus_('major') B.V. Skvortzov & M. Noda image
  390. Closterium dianae var. minus_('minor') F. Ducellier image
  391. Closterium dianae var. minus_('minor') G.H.E.W. Hieronymus image
  392. Closterium dianae var. pseudodianae (Roy) W. Krieger
  393. Closterium dianae var. pseudoleibleinii K. Förster & F. Eckert image
  394. Closterium dianae var. stellenboschense (Hodgetts) W. Krieger
  395. Closterium dianae var. typicum G.A. Klebs image
  396. Closterium dianae var. venus (F.T. Kützing) G.A. Klebs image
  397. Closterium didymocarpum W. Schmidle image
  398. Closterium didymotocum A.K.J. Corda ex J. Ralfs image
  399. Closterium didymotocum Corda ex Ralfs
  400. Closterium didymotocum Corda {invalid}
  401. Closterium didymotocum f. crassa R.L. Grönblad image
  402. Closterium didymotocum f. glabra J. Traunsteiner & M. Traunsteiner
  403. Closterium didymotocum f. maxima R.L. Grönblad image
  404. Closterium didymotocum f. minus_('minor') West & G.S. West image
  405. Closterium didymotocum f. perporosa P. Schulz-Danzig image
  406. Closterium didymotocum f. rectum_('recta') K. Rosa
  407. Closterium didymotocum f. striolatum K. Förster & F. Eckert image
  408. Closterium didymotocum var. alpinum L. Viret image
  409. Closterium didymotocum var. alpinum Viret
  410. Closterium didymotocum var. annulatum M.O.P. Iyengar & B. Vimala Bai image
  411. Closterium didymotocum var. asperulatum West & G.S. West image
  412. Closterium didymotocum var. baillyanum J. Ralfs image
  413. Closterium didymotocum var. brebissonianum G.L. Rabenhorst image
  414. Closterium didymotocum var. decussatum (F.T. Kützing) G.L. Rabenhorst image
  415. Closterium didymotocum var. delpontei R.L. Grönblad image
  416. Closterium didymotocum var. elenkinii E.K. Kossinskaja image
  417. Closterium didymotocum var. hirudo (G.B. Delponte) W.B. Turner image
  418. Closterium didymotocum var. irregulare J. Schaarschmidt
  419. Closterium didymotocum var. johnsonii (West & G.S. West) J.A. Cushman image
  420. Closterium didymotocum var. majus_('major') G.H.E.W. Hieronymus image
  421. Closterium didymotocum var. multinucleatum C.F.O. Nordstedt image
  422. Closterium didymotocum var. punctulatum L. Viret image
  423. Closterium didymotocum var. punctulatum T. Hinode image
  424. Closterium didymotocum var. pygmaeum R.C. Starr image
  425. Closterium didymotocum var. striatum C.W. Lowe image
  426. Closterium didymotocum var. striolatum K. Förster & F. Eckert image
  427. Closterium didymotocum var. tropicum West & G.S. West image
  428. Closterium difussum M. Noda & B.V. Skvortzov image
  429. Closterium digitus C.G. Ehrenberg image
  430. Closterium dilatatum F.T. Kützing image
  431. Closterium dilatatum Kützing {invalid}
  432. Closterium dilatatum W. West & G.S. West
  433. Closterium dilatatum West & G.S. West image
  434. Closterium dimoron C.G. Ehrenberg image
  435. Closterium directum Archer
  436. Closterium directum W. Archer image
  437. Closterium directum f. gracilius_('gracilior') R. Gutwinski image
  438. Closterium directum var. anastomosum (West & G.S. West) K. Förster
  439. Closterium directum var. oligocampylum (W. Schmidle) J. Ruzicka image
  440. Closterium directum var. recurvatum (Roll) K. Förster
  441. Closterium discolor M. Noda & B.V. Skvortzov image
  442. Closterium diversum M. Noda & B.V. Skvortzov image
  443. Closterium doliolatum L.A. Brebisson image
  444. Closterium doliolatum L.A. Brebisson image
  445. Closterium dubium R. Gutwinski image
  446. Closterium dubium R. Gutwinski image
  447. Closterium eboracense W.B. Turner
  448. Closterium eboracense f. minutum J.P. Keshri & D. Das
  449. Closterium eboracense var. achillense West image
  450. Closterium ehrenbergii G.G.A. Meneghini image
  451. Closterium ehrenbergii G.G.A. Meneghini ex J. Ralfs image
  452. Closterium ehrenbergii f. angustum K. Förster {invalid}
  453. Closterium ehrenbergii f. attenuatum N.D. Kamat image
  454. Closterium ehrenbergii f. colorato-glabra N.N. Woronichin image
  455. Closterium ehrenbergii f. curtum S.P. Petkoff image
  456. Closterium ehrenbergii f. elevatum J.P. Keshri & D. Das
  457. Closterium ehrenbergii f. grande G.W. Prescott {illegitimate}
  458. Closterium ehrenbergii f. magnum G.W. Prescott
  459. Closterium ehrenbergii f. majus_('major') Irénée-Marie
  460. Closterium ehrenbergii f. majus_('major') Irénée-Marie {illegitimate}
  461. Closterium ehrenbergii f. majus_('major') T.J.C. Irenee-Marie image
  462. Closterium ehrenbergii f. majus_('major') T.J.C. Irenee-Marie, illeg. image
  463. Closterium ehrenbergii f. majus_('major') U.C. Pandey & D.C. Pandey image
  464. Closterium ehrenbergii f. malinvernianum (De Notaris) D.B. Williamson
  465. Closterium ehrenbergii f. percrassa R.L. Grönblad image
  466. Closterium ehrenbergii f. rhodopea S.P. Petkoff image
  467. Closterium ehrenbergii f. sigmoideum T.J.C. Irenee-Marie image
  468. Closterium ehrenbergii f. striatum G.W. Prescott image
  469. Closterium ehrenbergii f. tenue_('tenuis') G.S. Venkataraman image
  470. Closterium ehrenbergii var. angustatum M. Hirano image
  471. Closterium ehrenbergii var. angustum M. Hirano image
  472. Closterium ehrenbergii var. atumidum W. Krieger
  473. Closterium ehrenbergii var. bosniacum R. Gutwinski image
  474. Closterium ehrenbergii var. brasiliense C.F.O. Nordstedt image
  475. Closterium ehrenbergii var. concavum W. Schmidle image
  476. Closterium ehrenbergii var. immane F. Wolle image
  477. Closterium ehrenbergii var. malinvernianum (De Notaris) Rabenhorst
  478. Closterium ehrenbergii var. minutissimum M.I. Claassen image
  479. Closterium ehrenbergii var. podolicum R. Gutwinski image
  480. Closterium ehrenbergii var. pseudopodolicum E.O. Hughes image
  481. Closterium elegans Brébisson
  482. Closterium elegans L.A. Brebisson image
  483. Closterium elenkinii E.K. Kossinskaja image
  484. Closterium elongatum L.A. Brebisson image
  485. Closterium elongatum L.A. Brebisson image
  486. Closterium ensis G.B. Delponte image
  487. Closterium ensis G.W. Focke image
  488. Closterium entomon C.G. Ehrenberg image
  489. Closterium eriense C.E. Taft image
  490. Closterium eriense var. minus_('minor') Y. Therezien image
  491. Closterium evesiculatum P.W. Cook image
  492. Closterium excavatum O.F. Borge image
  493. Closterium exiguum West & G.S. West image
  494. Closterium exile West & G.S. West image
  495. Closterium exile var. unicrystallatum E. Kol image
  496. Closterium falcatum (A.K.J. Corda) G.G.A. Meneghini image
  497. Closterium falcatum W.M. Grant image
  498. Closterium fasciculatum J.P. Jacobsen image
  499. Closterium flaccidum G.B. Delponte image
  500. Closterium forte E.A. Flint & D.B. Williamson
  501. Closterium fractum W.B. Turner image
  502. Closterium fulvum I.F. Lewis, C. Zirkle, & R. Patrick
  503. Closterium fuscum B.V. Skvortzov & M. Noda image
  504. Closterium fuscum var. gracile B.V. Skvortzov & M. Noda image
  505. Closterium fusiforme F. Gay
  506. Closterium fusiforme M. Noda {illegitimate}
  507. Closterium fusiforme f. truncata S.P. Petkoff image
  508. Closterium galiciense R. Gutwinski image
  509. Closterium galiciense R. Gutwinski image
  510. Closterium garoetianum C. Bernard image
  511. Closterium gibbum Borge
  512. Closterium giganteum C. Bernard image
  513. Closterium gigas F. Gay
  514. Closterium gracile Brébisson ex Ralfs
  515. Closterium gracile L.A. Brebisson image
  516. Closterium gracile L.A. Brebisson image
  517. Closterium gracile L.A. Brebisson ex J. Ralfs image
  518. Closterium gracile f. angulata R.L. Grönblad image
  519. Closterium gracile f. colorato-glabra N.N. Woronichin image
  520. Closterium gracile f. colorato-glabra N.N. Woronichin image
  521. Closterium gracile f. elongatum (West & G.S. West) E.K. Kossinskaja image
  522. Closterium gracile f. gracillima West image
  523. Closterium gracile f. longissima G. Nygaard image
  524. Closterium gracile f. sigmoideum H.T. Croasdale image
  525. Closterium gracile f. sygmoideum T.J.C. Irenee-Marie image
  526. Closterium gracile f. tenue (E.J. Lemmermann) E.K. Kossinskaja image
  527. Closterium gracile var. bicurvatum (G.B. Delponte) G.I. Playfair image
  528. Closterium gracile var. brevius M.I. Claassen image
  529. Closterium gracile var. capillare (Delponte) Chodat
  530. Closterium gracile var. coloratum F. Hustedt image
  531. Closterium gracile var. elongatum West & G.S. West image
  532. Closterium gracile var. intermedium T.J.C. Irenee-Marie image
  533. Closterium gracile var. lundellii (N.G. Lagerheim) E.K. Kossinskaja image
  534. Closterium gracile var. striolatum W. Krieger
  535. Closterium gracile var. substrigosum (M. Raciborski) G.I. Playfair image
  536. Closterium gracile var. tenue (E.J. Lemmermann) West & G.S. West image
  537. Closterium gracile var. tenue (E.J. Lemmermann) West & G.S. West image
  538. Closterium granulatum L.A. Brebisson image
  539. Closterium granulatum L.A. Brebisson image
  540. Closterium gregarium G.G.A. Meneghini image
  541. Closterium griffithii M.J. Berkeley image
  542. Closterium guyanense (P. Bourrelly & A. Couté) P.F.M. Coesel
  543. Closterium guyanense (P. Bourrelly & A. Coute) P.F.M. Coesel image
  544. Closterium hammeri var. hibernicum W. Archer
  545. Closterium hantzschianum A. Grunow image
  546. Closterium heimerlianum (Schmidle) Lütkemüller
  547. Closterium heimerlianum (W. Schmidle) J. Lütkemüller image
  548. Closterium hibernicum (W. West) A.J. Brook & D.B. Williamson
  549. Closterium hinganicum M. Noda & B.V. Skvortzov image
  550. Closterium hinganicum var. rivulare_('rivularis') M. Noda & B.V. Skvortzov image
  551. Closterium hirudo G.B. Delponte image
  552. Closterium hunanense C.C. Jao image
  553. Closterium hutchinsonii M.F. Rich image
  554. Closterium hyacinthi Gutwinski
  555. Closterium idiosporum West & G.S. West image
  556. Closterium idiosporum var. echinosporum P. Bourrelly image
  557. Closterium idiosporum var. punctatum W. Krieger
  558. Closterium inaequale C.G. Ehrenberg image
  559. Closterium inaequale C.G. Ehrenberg ex J. Ralfs image
  560. Closterium incomptum Woodhead & Tweed
  561. Closterium incrassatum R. Gutwinski image
  562. Closterium incrassatum R. Gutwinski image
  563. Closterium incurvum Brébisson
  564. Closterium incurvum L.A. Brebisson image
  565. Closterium incurvum f. acutum J.P. Keshri & D. Das
  566. Closterium incurvum f. latior T.J.C. Irenee-Marie image
  567. Closterium incurvum f. majus_('major') S.P. Petkoff image
  568. Closterium incurvum f. sikkimicum J.P. Keshri & D. Das
  569. Closterium incurvum var. elaboratum M.I. Claassen image
  570. Closterium incurvum var. majus V.B. Wittrock image
  571. Closterium infractum E. Messikommer image
  572. Closterium infractum Messikommer
  573. Closterium infractum f. majus W. Vyverman
  574. Closterium infractum var. rotundatum R.L. Grönblad image
  575. Closterium infractum var. sanctipaulense C.E.M. Bicudo image
  576. Closterium insolitum M.I. Claassen image
  577. Closterium intermedium J. Ralfs image
  578. Closterium intermedium f. eboracense W. Turner image
  579. Closterium intermedium f. minus_('minor') L. Viret image
  580. Closterium intermedium var. alpinum L. Viret image
  581. Closterium intermedium var. delicatulum T. Hinode image
  582. Closterium intermedium var. directum (Archer) Klebs
  583. Closterium intermedium var. directum (W. Archer) G.A. Klebs image
  584. Closterium intermedium var. erectum R.L. Grönblad image
  585. Closterium intermedium var. hibernicum West & G.S. West image
  586. Closterium intermedium var. juncidum (J. Ralfs) G.A. Klebs image
  587. Closterium intermedium var. latum F. Hustedt image
  588. Closterium intermedium var. mesianum M.I. Claassen image
  589. Closterium intermedium var. nilssonii (O.F. Borge) J. Ruzicka image
  590. Closterium intermedium var. ornatum B.V. Skvortzov image
  591. Closterium intermedium var. rectostriatum M. Raciborski image
  592. Closterium intermedium var. regulare (L.A. Brebisson) G.L. Rabenhorst image
  593. Closterium intermedium var. sculptum M. Raciborski image
  594. Closterium intermedium var. sculptum Raciborski
  595. Closterium intermedium var. spirostriolatum M. Raciborski image
  596. Closterium intermedium var. spirostriolatum Raciborski
  597. Closterium intermedium var. typicum G.A. Klebs image
  598. Closterium interruptum (L.A. Brebisson) P.F. Reinsch image
  599. Closterium intervalicola J.A. Cushman image
  600. Closterium isidis F.J. Cohn image
  601. Closterium japonicum W.F.R. Suringar image
  602. Closterium jenneri J. Ralfs image
  603. Closterium jenneri Ralfs
  604. Closterium jenneri f. exiguum G. Beck image
  605. Closterium jenneri f. longior S.P. Petkoff image
  606. Closterium jenneri f. majus_('major') G.R. Cedergren image
  607. Closterium jenneri f. minus-curvata_('minus curvata') P.S. Petkoff image
  608. Closterium jenneri f. minus_('minor') B.V. Skvortzov image
  609. Closterium jenneri f. opulentum G. Beck image
  610. Closterium jenneri var. curvatissimum (W. West & G.S. West) A.J. Brook & D.B. Williamson
  611. Closterium jenneri var. cynthia (De Notaris) O.A. Petlovany
  612. Closterium jenneri var. dubitabile_('dubitabilis') M.I. Claassen image
  613. Closterium jenneri var. hibernicum W. West
  614. Closterium jenneri var. hibernicum West image
  615. Closterium jenneri var. majus_('major') F. Ducellier image
  616. Closterium jenneri var. myrdalense K.M. Strøm image
  617. Closterium jenneri var. percurvatum H.T. Croasdale image
  618. Closterium jenneri var. robustum G.S. West
  619. Closterium jenneri var. tenue H.T. Croasdale image
  620. Closterium joostenii M.C. Van Westen & P.F.M. Coesel
  621. Closterium juncidum J. Ralfs image
  622. Closterium juncidum f. austriacum_('austriaca') A. Heimerl image
  623. Closterium juncidum f. brevius_('brevior') J. Roy image
  624. Closterium juncidum f. elongatissimum D.A. Tarnogradskii image
  625. Closterium juncidum f. recta R. Gutwinski image
  626. Closterium juncidum f. recta T.J.C. Irenee-Marie image
  627. Closterium juncidum f. robustius (Lobik) A.J. Brook & D.B. Williamson
  628. Closterium juncidum f. truncata G. Nygaard image
  629. Closterium juncidum subsp. elongatum (J. Roy & J. Bisset) F.M. Sarim & M.A.F. Faridi image
  630. Closterium juncidum var. dilatatum Y. Therezien image
  631. Closterium juncidum var. elongatum J. Roy & J. Bisset image
  632. Closterium juncidum var. gracile (L.A. Brebisson) J.E. Weiss image
  633. Closterium juncidum var. robustius Lobik
  634. Closterium karnakense P.F.M. Coesel
  635. Closterium khasianum W.B. Turner image
  636. Closterium knysnanum G.E. Huber-Pestalozzi image
  637. Closterium koernickei C. Bernard image
  638. Closterium kolhapurense N.D. Kamat image
  639. Closterium kolhapurense var. minus N.D. Kamat image
  640. Closterium kossinskayae A.F. Luknitskaya
  641. Closterium kranskopense M.I. Claassen image
  642. Closterium kuetzingii L.A. Brebisson image
  643. Closterium kuetzingii f. brevior Dick image
  644. Closterium kuetzingii f. brevius A.I. Lobik
  645. Closterium kuetzingii f. croasdaleae K. Förster
  646. Closterium kuetzingii f. elongata G.R. Cedergren image
  647. Closterium kuetzingii f. hybridum_('hybrida') J. Traunsteiner & M. Traunsteiner
  648. Closterium kuetzingii f. minus P. Compère image
  649. Closterium kuetzingii f. sigmoideum T.J.C. Irenee-Marie image
  650. Closterium kuetzingii var. capense C.F.O. Nordstedt image
  651. Closterium kuetzingii var. constrictum B.V. Skvortzov & M. Noda image
  652. Closterium kuetzingii var. croasdaleae (K. Förster) K. Förster image
  653. Closterium kuetzingii var. croasdaleae (K. Förster) K. Förster
  654. Closterium kuetzingii var. glacile T. Hinode image
  655. Closterium kuetzingii var. laeve W. Krieger
  656. Closterium kuetzingii var. minus T. Hinode image
  657. Closterium kuetzingii var. onychosporum West & G.S. West image
  658. Closterium kuetzingii var. procerum H.L. Skuja image
  659. Closterium kuetzingii var. pseudopronum R.L. Grönblad image
  660. Closterium kuetzingii var. transvaalense M.I. Claassen image
  661. Closterium kuetzingii var. vittatum C.F.O. Nordstedt image
  662. Closterium kuetzingii var. vittatum C.F.O. Nordstedt image
  663. Closterium kuetzingii var. vittatum Nordstedt
  664. Closterium kuetzingii_('Kützingii') Brébisson
  665. Closterium laeve F.T. Kützing image
  666. Closterium lagoense C.F.O. Nordstedt image
  667. Closterium lagoense var. brevius M. Hirano image
  668. Closterium lagoense var. crassius R. Gutwinski image
  669. Closterium lagoense var. laeve West & G.S. West image
  670. Closterium lamellosum Brébisson ex Brébisson & Godey {invalid}
  671. Closterium lamellosum L.A. Brebisson image
  672. Closterium lanceolatum F.T. Kützing image
  673. Closterium lanceolatum F.T. Kützing ex J. Ralfs image
  674. Closterium lanceolatum Kützing ex Ralfs
  675. Closterium lanceolatum f. angusta T. Hortobágyi image
  676. Closterium lanceolatum f. minus_('minor') K. Vedajanani & Y.S.R.K. Sarma image
  677. Closterium lanceolatum f. parvum (West & G.S. West) E.K. Kossinskaja image
  678. Closterium lanceolatum f. sigmoideum T.J.C. Irenee-Marie image
  679. Closterium lanceolatum var. bernardi Willi Krieger image
  680. Closterium lanceolatum var. coloratum (G.A. Klebs) G.I. Playfair image
  681. Closterium lanceolatum var. elongatum P. Bourrelly & A. Couté
  682. Closterium lanceolatum var. majus L.A. Brebisson image
  683. Closterium lanceolatum var. parvum West & G.S. West image
  684. Closterium lanceolatum var. punctatum R. Lenzenweger & C. Lütz
  685. Closterium laterale C.F.O. Nordstedt image
  686. Closterium laterale var. simplicius E.O. Hughes image
  687. Closterium latiusculum J.A.M. Perty image
  688. Closterium legumen West & G.S. West image
  689. Closterium legumen var. brasiliense O.F. Borge image
  690. Closterium leibleini F.T. Kützing image
  691. Closterium leibleinii F.T. Kützing ex J. Ralfs image
  692. Closterium leibleinii Kützing image
  693. Closterium leibleinii f. boergesenii Schmidle
  694. Closterium leibleinii f. boergesenii W. Schmidle image
  695. Closterium leibleinii f. boergesenii W. Schmidle image
  696. Closterium leibleinii f. crassior O.F. Borge image
  697. Closterium leibleinii f. elatior M. Lewin image
  698. Closterium leibleinii f. majus_('major') F.E. Fritsch & M.F. Rich image
  699. Closterium leibleinii f. minus_('minor') F.E. Fritsch & M.F. Rich image
  700. Closterium leibleinii f. minus_('minor') W.B. Turner image
  701. Closterium leibleinii f. nasutum L.S. Peterfi image
  702. Closterium leibleinii f. parva W.B. Turner image
  703. Closterium leibleinii f. sigmoidea G. Deflandre image
  704. Closterium leibleinii f. willei R. Gutwinski image
  705. Closterium leibleinii var. angulatum Balsamo
  706. Closterium leibleinii var. angulatum F. Balsamo image
  707. Closterium leibleinii var. boergesenii (Schmidle) Y.V. Roll
  708. Closterium leibleinii var. curtum West image
  709. Closterium leibleinii var. granulata H. Kufferath image
  710. Closterium leibleinii var. manschuricum B.V. Skvortzov image
  711. Closterium leibleinii var. minima W. Schmidle image
  712. Closterium leibleinii var. minus Reinsch
  713. Closterium leibleinii var. montanum L. Viret image
  714. Closterium leibleinii var. occidentale West image
  715. Closterium leibleinii var. philippinense M. Hirano image
  716. Closterium leibleinii var. recurvatum West & G.S. West image
  717. Closterium lemmermannii_('lemmermanni') O. Zacharias image
  718. Closterium lens J.P. Jacobsen image
  719. Closterium lens var. intermedia J.P. Jacobsen image
  720. Closterium lens var. majus_('major') J.P. Jacobsen image
  721. Closterium lens var. minus_('minor') J.P. Jacobsen image
  722. Closterium libellula G.W. Focke image
  723. Closterium libellula f. elongatum_('elongata') Willi Krieger image
  724. Closterium libellula f. intermedium (J. Roy & J. Bisset) E.K. Kossinskaja image
  725. Closterium libellula f. majus (O.F. Borge) E.K. Kossinskaja image
  726. Closterium libellula f. minus Beck-Mannagetta
  727. Closterium libellula f. sygmoideum T.J.C. Irenee-Marie image
  728. Closterium libellula subsp. interruptum (West) F.M. Sarim & M.A.F. Faridi image
  729. Closterium libellula var. angusticeps Grönblad
  730. Closterium libellula var. angusticeps R.L. Grönblad image
  731. Closterium libellula var. elongatum (Willi Krieger) A.M. Scott & G.W. Prescott image
  732. Closterium libellula var. gracile_('gracilis') H. Kufferath image
  733. Closterium libellula var. intermedium (J. Roy & J. Bisset) G.S. West image
  734. Closterium libellula var. interruptum A. Donat image
  735. Closterium libellula var. pulneyense_('pulneyensis') M.O.P. Iyengar & B. Vimala Bai image
  736. Closterium libellula var. punctatum (Raciborski) W. Krieger
  737. Closterium libellula var. sikkimense J.P. Keshri & D. Das
  738. Closterium limicum J. Sampaio image
  739. Closterium limneticum E.J. Lemmermann image
  740. Closterium limneticum f. elongatum P. Compère image
  741. Closterium limneticum var. fallax J. Ruzicka image
  742. Closterium limneticum var. tenue E.J. Lemmermann image
  743. Closterium linea J.A.M. Perty image
  744. Closterium lineare C.W. Nägeli image
  745. Closterium linearifusiforme M. Noda
  746. Closterium lineatum C.G. Ehrenberg image
  747. Closterium lineatum C.G. Ehrenberg ex J. Ralfs image
  748. Closterium lineatum f. angustatum P.F. Reinsch image
  749. Closterium lineatum f. angustum P.F. Reinsch image
  750. Closterium lineatum f. elongatum K. Rosa image
  751. Closterium lineatum f. elongatum Rosa
  752. Closterium lineatum f. incolorato-glabra N.N. Woronichin image
  753. Closterium lineatum f. laeve T.J.C. Irenee-Marie image
  754. Closterium lineatum f. latior K. Rosa image
  755. Closterium lineatum f. sigmoideum T.J.C. Irenee-Marie image
  756. Closterium lineatum f. spirostriolata West & G.S. West image
  757. Closterium lineatum f. sublaeve_('sublaevis') G.L. Rabenhorst image
  758. Closterium lineatum f. tenuissimum P.F. Reinsch image
  759. Closterium lineatum var. africanum (Schmidle) W. Krieger
  760. Closterium lineatum var. costatum F. Wolle image
  761. Closterium lineatum var. costatum W.N. Hastings image
  762. Closterium lineatum var. curvatum K. Thomasson
  763. Closterium lineatum var. elongatissimum G.W. Prescott
  764. Closterium lineatum var. elongatum (Rosa) Croasdale
  765. Closterium lineatum var. gracile K. Behre image
  766. Closterium lineatum var. guyanense P. Bourrelly & A. Couté
  767. Closterium lineatum var. guyanense P. Bourrelly & A. Coute image
  768. Closterium lineatum var. majus_('major') G.E. Huber-Pestalozzi image
  769. Closterium lineatum var. maximum B.H. Smith image
  770. Closterium lineatum var. minus N.N. Woronichin image
  771. Closterium lineatum var. monolithum A. Kurz image
  772. Closterium lineatum var. multinucleatum G. Deflandre image
  773. Closterium lineatum var. perporosum R.L. Grönblad image
  774. Closterium lineatum var. sandvicense C.F.O. Nordstedt image
  775. Closterium lineatum var. sublaeve L.A. Brebisson image
  776. Closterium lineatum var. subrectum M. Noda & B.V. Skvortzov image
  777. Closterium lineola K.E. Eichwald image
  778. Closterium lineolatum C.G. Ehrenberg image
  779. Closterium lineolatum F.T. Kützing image
  780. Closterium lineolatum Kützing
  781. Closterium littorale F. Gay
  782. Closterium littorale f. concavum B. Tracanna
  783. Closterium littorale f. crassior O.F. Borge image
  784. Closterium littorale f. minus L.E. Komarenko image
  785. Closterium littorale var. brunnea B.V. Skvortzov & M. Noda image
  786. Closterium littorale var. elegans (G.S. West) J. Ruzicka image
  787. Closterium littorale var. indicum J.P. Keshri & D. Das
  788. Closterium loefgrenii O.F. Borge image
  789. Closterium loktakense P.J. Brühl & K.P. Biswas image
  790. Closterium lorentzi C. Bernard image
  791. Closterium luchterianum P. Palik image
  792. Closterium lundellii N.G. Lagerheim image
  793. Closterium lunula (O.F. Müller) C.L. Nitzsch image
  794. Closterium lunula C.G. Ehrenberg & F.G. Hemprich ex J. Ralfs image
  795. Closterium lunula f. biconvexum (W. Schmidle) E.K. Kossinskaja image
  796. Closterium lunula f. coloratum (G.A. Klebs) E.K. Kossinskaja image
  797. Closterium lunula f. crassissimum Croasdale
  798. Closterium lunula f. crassissimum H.T. Croasdale image
  799. Closterium lunula f. farcinale_('farcinalis') W. Schmidle image
  800. Closterium lunula f. gracile_('gracilis') E. Messikommer image
  801. Closterium lunula f. levanderi R.L. Grönblad image
  802. Closterium lunula f. minus_('minor') O.F. Borge image
  803. Closterium lunula f. minus_('minor') West & G.S. West image
  804. Closterium lunula f. nasutum A.M. Scott & G.W. Prescott image
  805. Closterium lunula f. retusum L.S. Peterfi image
  806. Closterium lunula f. straminellum G. Uherkovich image
  807. Closterium lunula f. striata P. Bourrelly image
  808. Closterium lunula var. biconvexum W. Schmidle image
  809. Closterium lunula var. carinthiacum G. Beck image
  810. Closterium lunula var. coloratum G.A. Klebs image
  811. Closterium lunula var. crameri (C. Bernard) P.H.G. Oye image
  812. Closterium lunula var. cuneatum R. Gutwinski image
  813. Closterium lunula var. giganteum (C. Bernard) G.I. Playfair image
  814. Closterium lunula var. giganteum (Nordstedt) A.J. Brook & D.B. Williamson {illegitimate}
  815. Closterium lunula var. intermedium R. Gutwinski image
  816. Closterium lunula var. intermedium R. Gutwinski image
  817. Closterium lunula var. massartii (De Wildeman) W. Krieger
  818. Closterium lunula var. maximum O.F. Borge image
  819. Closterium lunula var. nordstedtii G.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura
  820. Closterium lunula var. praegrande (G.L. Rabenhorst) P.C.M. Petit image
  821. Closterium lunula var. pseudoacerosum G.W. Prescott image
  822. Closterium lunula var. rectum M. Noda & B.V. Skvortzov image
  823. Closterium lunula var. striatum F. Wolle image
  824. Closterium lunula var. sublanceolatum G.A. Klebs image
  825. Closterium lunula var. submoniliferum G.A. Klebs image
  826. Closterium lunula var. typicum G.A. Klebs image
  827. Closterium lunula var. uniseriatum (G.A. Klebs) E.C. Teodoresco image
  828. Closterium lusitanicum G.A.S.F. Sampaio image
  829. Closterium lusitanicum var. minus_('minor') J. Sampaio image
  830. Closterium macedonicum S.P. Petkoff image
  831. Closterium macilentum Brébisson
  832. Closterium macilentum L.A. Brebisson image
  833. Closterium macilentum f. adultior A. Kurz image
  834. Closterium macilentum f. sigmoideum T.J.C. Irenee-Marie image
  835. Closterium macilentum var. elongatum E.N. Lacoste de Díaz image
  836. Closterium macilentum var. gracile P. Bourrelly image
  837. Closterium macilentum var. inflatulum K. Förster image
  838. Closterium macilentum var. kavinae K. Rosa image
  839. Closterium macilentum var. minus_('minor') S.P. Petkoff image
  840. Closterium macilentum var. simplissimum G.W. Prescott image
  841. Closterium macilentum var. substriatum (Grönblad) W. Krieger
  842. Closterium macilentum var. substrigosum M. Raciborski image
  843. Closterium maculatum W.N. Hastings image
  844. Closterium magellanicum Borge
  845. Closterium magellanicum O.F. Borge image
  846. Closterium magnificum G.I. Playfair image
  847. Closterium maharastrense N.D. Kamat image
  848. Closterium malinvernianiforme R.L. Grönblad image
  849. Closterium malinvernianiforme var. gracilius E.O. Hughes image
  850. Closterium malinvernianiforme var. nasutum P. Bourrelly image
  851. Closterium malinvernianum De Notaris
  852. Closterium malinvernianum f. inflata J.-J.-M. Virieux image
  853. Closterium malinvernianum f. majus_('major') F.E. Fritsch image
  854. Closterium malinvernianum f. sygmoideum T.J.C. Irenee-Marie image
  855. Closterium malinvernianum f. typica J.-J.-M. Virieux image
  856. Closterium malinvernicum De Notaris {invalid}
  857. Closterium malinvernicum G. De Notaris image
  858. Closterium malmei O.F. Borge image
  859. Closterium malmei f. minus_('minor') Therezien image
  860. Closterium malmei var. semicirculare O.F. Borge image
  861. Closterium mamenchoenum J.P. Keshri & D. Das
  862. Closterium manipurense P.J. Brühl & K.P. Biswas image
  863. Closterium manschuricum B.V. Skvortzov image
  864. Closterium margaritaceum C.G. Ehrenberg image
  865. Closterium margaritiferum K.E. Eichwald image
  866. Closterium massartii_('massarti') De Wildeman image
  867. Closterium massartii_(`massarti') De Wildeman
  868. Closterium maximum (H.C. Wood) Schmidle
  869. Closterium maximum (H.C. Wood) W. Schmidle image
  870. Closterium maximum De Wildeman
  871. Closterium maximum De Wildeman {illegitimate}
  872. Closterium maximum E.A.J. De Wildeman image
  873. Closterium maximum E.A.J. De Wildeman image
  874. Closterium mediolaeve W. Archer ex De Toni
  875. Closterium medioleve Archer
  876. Closterium medioleve W. Archer image
  877. Closterium methueni F.E. Fritsch image
  878. Closterium methuenii var. ventricosa F.E. Fritsch image
  879. Closterium methuenii_('Methueni') F.E. Fritsch
  880. Closterium microgranulatum H. Kufferath image
  881. Closterium milliani M. Lefèvre image
  882. Closterium minianum G.A.S.F. Sampaio image
  883. Closterium minutum Y.V. Roll image
  884. Closterium minutum f. tenuior G.E. Huber-Pestalozzi image
  885. Closterium minutum var. indicum J.P. Keshri & D. Das
  886. Closterium molle G.I. Playfair image
  887. Closterium monile L.A. Brebisson ex F.T. Kützing image
  888. Closterium monile L.A. Brebisson image
  889. Closterium monile L.A. Brebisson image
  890. Closterium moniliferum (Bory) Ehrenberg image
  891. Closterium moniliferum C.G. Ehrenberg ex J. Ralfs image
  892. Closterium moniliferum Ehrenberg ex Ralfs
  893. Closterium moniliferum f. angulatum P.F. Reinsch image
  894. Closterium moniliferum f. boryanum P.F. Reinsch image
  895. Closterium moniliferum f. ehrenbergianum P.F. Reinsch image
  896. Closterium moniliferum f. giganteum K. Förster image
  897. Closterium moniliferum f. giganteum K. Förster
  898. Closterium moniliferum f. gracile K. Förster image
  899. Closterium moniliferum f. intermedia R. Gutwinski image
  900. Closterium moniliferum f. kuetzingiana J.P. Jacobsen image
  901. Closterium moniliferum f. leibleiniana J.P. Jacobsen image
  902. Closterium moniliferum f. leibleinii (F.T. Kützing) P.F. Reinsch image
  903. Closterium moniliferum f. minus_('minor') K.M. Strøm image
  904. Closterium moniliferum f. minus_('minor') T. Hortobágyi image
  905. Closterium moniliferum f. muelleriana J.P. Jacobsen image
  906. Closterium moniliferum f. subrectum V.I. Poljansky
  907. Closterium moniliferum var. acutum Willi Krieger & A.M. Scott image
  908. Closterium moniliferum var. angulatum (P.F. Reinsch) G.L. Rabenhorst image
  909. Closterium moniliferum var. angustatum (C.A. Hantzsch) G.L. Rabenhorst image
  910. Closterium moniliferum var. concavum G.A. Klebs image
  911. Closterium moniliferum var. ehrenbergii (G.G.A. Meneghini) G.A. Klebs image
  912. Closterium moniliferum var. elegans M. Hirano image
  913. Closterium moniliferum var. epithemioides M.I. Claassen image
  914. Closterium moniliferum var. galiciense (R. Gutwinski) G.S. West image
  915. Closterium moniliferum var. genuinum E.O.O. Kirchner image
  916. Closterium moniliferum var. giganteum (K. Förster) K. Förster
  917. Closterium moniliferum var. leibleiniaceum G. De Notaris & F. Baglietto image
  918. Closterium moniliferum var. leibleinii (F.T. Kützing) G.A. Klebs image
  919. Closterium moniliferum var. malinvernianiforme (R.L. Grönblad) E.K. Kossinskaja image
  920. Closterium moniliferum var. minus H. Alten image
  921. Closterium moniliferum var. minus_('minor') Kützing image
  922. Closterium moniliferum var. nanum R.L. Grönblad image
  923. Closterium moniliferum var. nasutum M.F. Rich image
  924. Closterium moniliferum var. recurvatum O.F. Borge image
  925. Closterium moniliferum var. robustum T. Hinode image
  926. Closterium moniliferum var. submoniliferum (Woronichin) W. Krieger
  927. Closterium moniliferum var. thuretii_('Thureti') L.A. Brebisson image
  928. Closterium moniliferum var. typicum G.A. Klebs image
  929. Closterium monotaenium Archer
  930. Closterium monotaenium W. Archer image
  931. Closterium mourense G.I. Playfair image
  932. Closterium multistriatum F.G. Hemprich & C.G. Ehrenberg image
  933. Closterium nasutum F. Wolle image
  934. Closterium nasutum var. kazukoae Y. Kanetsuna
  935. Closterium navicula (L.A. Brebisson) J. Lütkemüller image
  936. Closterium navicula f. duplo-maior J. Roubal image
  937. Closterium navicula f. majus_('major') F.E. Fritsch & M.F. Rich image
  938. Closterium navicula f. pyrenoidosum L.S. Peterfi image
  939. Closterium navicula var. granulatum (West & G.S. West) W. Krieger
  940. Closterium navicula var. inflatum (W. West & G.S. West) H. Croasdale
  941. Closterium navicula var. subcompactum (West & G.S. West) W. Krieger
  942. Closterium navicula var. tumidum Willi Krieger & P. Bourrelly image
  943. Closterium naviculoides J.N.F. Wille image
  944. Closterium naviculoideum G.I. Playfair image
  945. Closterium nematodes W. Joshua image
  946. Closterium nematodes f. kriegeri Y. Kanetsuna
  947. Closterium nematodes f. majus_('major') T.J.C. Irenee-Marie image
  948. Closterium nematodes f. minus_('minor') F.E. Fritsch & M.F. Rich image
  949. Closterium nematodes var. microteres H.L. Skuja image
  950. Closterium nematodes var. proboscideum W.B. Turner image
  951. Closterium nematodes var. robustum M. Hirano image
  952. Closterium nematodes var. sinense C.C. Jao image
  953. Closterium nematodes var. tumidum G.S. West image
  954. Closterium nilssonii Borge
  955. Closterium nilssonii O.F. Borge image
  956. Closterium nodosum Bailey image
  957. Closterium nordstedtii Chodat
  958. Closterium nordstedtii Gutwinski {illegitimate}
  959. Closterium nordstedtii R. Gutwinski image
  960. Closterium nordstedtii R.H. Chodat image
  961. Closterium nordstedtii var. polystictum (G. Nygaard) J. Ruzicka image
  962. Closterium novae-angliae J.A. Cushman
  963. Closterium novae-guineae C. Bernard image
  964. Closterium nylandicum (Grönblad) A.J. Brook & D.B. Williamson
  965. Closterium obtusangulum A.K.J. Corda image
  966. Closterium obtusangulum Corda
  967. Closterium obtusangulum Corda {invalid}
  968. Closterium obtusum Brébisson
  969. Closterium obtusum Brebisson image
  970. Closterium obtusum var. majus_('major') M. Raciborski image
  971. Closterium obtusum var. minor M. Raciborski image
  972. Closterium obtusum var. pusillum (C.A. Hantzsch) G.A. Klebs image
  973. Closterium obtusum var. rectissimum C. Bernard image
  974. Closterium obtusum var. typicum G.A. Klebs image
  975. Closterium obversum K.E. Eichwald image
  976. Closterium okaritoense E.E. Flint & D.B. Williamson
  977. Closterium okavangicum P.F.M. Coesel & A. Van Geest
  978. Closterium oligocampylum Schmidle
  979. Closterium oligocampylum W. Schmidle image
  980. Closterium oligocampylum f. tenuior J. Roubal image
  981. Closterium oncosporum C.F.O. Nordstedt image
  982. Closterium oncosporum Nordstedt
  983. Closterium ornatum G.L. Rabenhorst image
  984. Closterium pachydermum West & G.S. West image
  985. Closterium pakistanicum Masud-ul-Hassan, T. Rasool, & M. Nizamuddin
  986. Closterium paludosum Thunmark
  987. Closterium paradoxum J.N.F. Wille image
  988. Closterium parasiticum G.G.A. Meneghini image
  989. Closterium parvulum C.W. Nägeli image
  990. Closterium parvulum Nägeli
  991. Closterium parvulum f. indicum J.P. Keshri & D. Das
  992. Closterium parvulum f. majus_('major') F. Auclair image
  993. Closterium parvulum f. majus_('major') K.M. Strøm image
  994. Closterium parvulum f. majus_('major') Y.V. Roll image
  995. Closterium parvulum f. maximum G.W. Prescott
  996. Closterium parvulum f. sigmoideum T.J.C. Irenee-Marie image
  997. Closterium parvulum var. angustissimum T. Hinode image
  998. Closterium parvulum var. angustum West & G.S. West image
  999. Closterium parvulum var. angustum West & G.S. West image
  1000. Closterium parvulum var. cornutum (Playfair) W. Krieger
  1001. Closterium parvulum var. crassius C. Bernard image
  1002. Closterium parvulum var. flaccidum (G.B. Delponte) E.K. Kossinskaja image
  1003. Closterium parvulum var. minus_('minor') M.I. Claassen image
  1004. Closterium parvulum var. obtusum H.T. Croasdale image
  1005. Closterium parvulum var. robustum E. Messikommer image
  1006. Closterium parvulum var. tortum (B.M. Griffiths) H.L. Skuja image
  1007. Closterium parvulum var. tumidum G. Nygaard image
  1008. Closterium pegleri F.E. Fritsch image
  1009. Closterium penium P.F. Reinsch image
  1010. Closterium peracerosum F. Gay
  1011. Closterium peracerosum f. curvata F.E. Fritsch image
  1012. Closterium peracerosum f. incolorato-glabra N.N. Woronichin image
  1013. Closterium peracerosum var. aethiopicum West & G.S. West image
  1014. Closterium peracerosum var. arcuatus F.E. Fritsch & M.F. Rich
  1015. Closterium peracerosum var. elegans G.S. West
  1016. Closterium perminutum O.F. Borge image
  1017. Closterium planum E.O. Hughes image
  1018. Closterium pleurodermatum West & G.S. West image
  1019. Closterium polymorphum G. Nygaard {illegitimate}
  1020. Closterium polymorphum J.A.M. Perty image
  1021. Closterium polystictum G. Nygaard image
  1022. Closterium polystictum var. brevius K. Behre image
  1023. Closterium polystictum var. breviusculum G. Nygaard image
  1024. Closterium polystictum var. nordstedtii (Chodat) W. Krieger {illegitimate}
  1025. Closterium polystictum var. patagonicum R.M. Whelden image
  1026. Closterium porrectum C.F.O. Nordstedt image
  1027. Closterium porrectum var. angustatum West & G.S. West image
  1028. Closterium porrectum var. borgei K. Förster image
  1029. Closterium porrectum var. borgei K. Förster
  1030. Closterium porrectum var. borgei K. Förster
  1031. Closterium porteanum f. parigranulatum Y. Kanetsuna
  1032. Closterium praegrande G.L. Rabenhorst image
  1033. Closterium praelongum Brébisson
  1034. Closterium praelongum L.A. Brebisson image
  1035. Closterium praelongum f. brevius_('brevior') C.F.O. Nordstedt image
  1036. Closterium praelongum f. brevius_('brevior') Nordstedt
  1037. Closterium praelongum f. colorato-glabra N.N. Woronichin image
  1038. Closterium praelongum f. colorato-punctata N.N. Woronichin image
  1039. Closterium praelongum f. colorato-striata N.N. Woronichin image
  1040. Closterium praelongum f. incolorato-glabra N.N. Woronichin image
  1041. Closterium praelongum f. longissimum G.W. Prescott
  1042. Closterium praelongum subsp. brevius (C.F.O. Nordstedt) F.M. Sarim & M.A.F. Faridi image
  1043. Closterium praelongum var. brevius (Nordstedt) W. Krieger
  1044. Closterium praelongum var. crassior W. Schmidle image
  1045. Closterium praelongum var. madagascariense_(`madagascariensis') P. Bourrelly & A. Couté
  1046. Closterium praelongum var. porosum W. Krieger
  1047. Closterium praelongum var. punctatum K. Rosa image
  1048. Closterium praelongum var. rectum E.J. Lemmermann image
  1049. Closterium praelongum var. strigosum (L.A. Brebisson) G.I. Playfair image
  1050. Closterium pritchardianum Archer
  1051. Closterium pritchardianum W. Archer image
  1052. Closterium pritchardianum f. attenuata T.J.C. Irenee-Marie image
  1053. Closterium pritchardianum f. brasiliense K. Förster & F. Eckert image
  1054. Closterium pritchardianum f. brasiliense Kurt Förster & Eckert
  1055. Closterium pritchardianum f. crassa R. Gutwinski image
  1056. Closterium pritchardianum f. crassa R. Gutwinski image
  1057. Closterium pritchardianum f. laeve E.O. Hughes image
  1058. Closterium pritchardianum f. maxima C.F.O. Nordstedt image
  1059. Closterium pritchardianum f. maximum G. Uherkovich image
  1060. Closterium pritchardianum f. micro-punctata E. Messikommer image
  1061. Closterium pritchardianum f. minus_('minor') F.E. Fritsch image
  1062. Closterium pritchardianum var. africanum (F.E. Fritsch & M.F. Rich) W. Krieger
  1063. Closterium pritchardianum var. alpinum W. Schmidle image
  1064. Closterium pritchardianum var. angustatum K. Rosa image
  1065. Closterium pritchardianum var. angustum K.M. Borzecki image
  1066. Closterium pritchardianum var. brasiliense (Kurt Förster & Eckert) G.J.P. Ramos & C.W.N. Moura
  1067. Closterium pritchardianum var. lerschii E. Kol
  1068. Closterium pritchardianum var. madagascariense F.E. Fritsch image
  1069. Closterium pritchardianum var. minus West image
  1070. Closterium pritchardianum var. olygo-punctatum Y.V. Roll image
  1071. Closterium pritchardianum var. subpraelongum R.L. Grönblad image
  1072. Closterium proboscideum W.B. Turner image
  1073. Closterium prolongum M.F. Rich image
  1074. Closterium pronum Brébisson
  1075. Closterium pronum L.A. Brebisson image
  1076. Closterium pronum f. brebissonii P.F. Reinsch image
  1077. Closterium pronum f. brevius (W. West) E.K. Kossinskaja image
  1078. Closterium pronum f. brevius West image
  1079. Closterium pronum f. hylina M. Raciborski image
  1080. Closterium pronum f. plurilocellata N.N. Woronichin image
  1081. Closterium pronum f. pritchardianum_('pritshardianum') (Archer) Reinsch
  1082. Closterium pronum f. pritshardianum (W. Archer) P.F. Reinsch image
  1083. Closterium pronum f. sigmoideum Woronichin image
  1084. Closterium pronum f. tenerrimum P.F. Reinsch image
  1085. Closterium pronum var. acutum (H.C. Lyngbye) G.A. Klebs image
  1086. Closterium pronum var. cornu (C.G. Ehrenberg) G.A. Klebs image
  1087. Closterium pronum var. fresenii G.L. Rabenhorst image
  1088. Closterium pronum var. linea (J.A.M. Perty) G.A. Klebs image
  1089. Closterium pronum var. longissima E.J. Lemmermann image
  1090. Closterium pronum var. protuberans E.N. Bolokhontsev
  1091. Closterium pronum var. raphidioideum N.M. Gaidukov image
  1092. Closterium pronum var. typicum G.A. Klebs image
  1093. Closterium pseudanastomosum R.L. Grönblad image
  1094. Closterium pseudoclosterium J. Roy image
  1095. Closterium pseudocostatum J. Sastný & F.A.C. Kouwets
  1096. Closterium pseudocynthia J.P. Keshri & D. Das
  1097. Closterium pseudodianae Roy
  1098. Closterium pseudoincurvum J.P. Keshri & D. Das
  1099. Closterium pseudokuetzingii D.B. Williamson
  1100. Closterium pseudolanceolatum R. Lenzenweger & C. Lütz
  1101. Closterium pseudoleibleinii M.I. Claassen image
  1102. Closterium pseudolibellula F.E. Fritsch image
  1103. Closterium pseudolibellula Fritsch
  1104. Closterium pseudolibellula f. fusiforme_('fusiformis') F.E. Fritsch image
  1105. Closterium pseudolunula Claassen {illegitimate}
  1106. Closterium pseudolunula M.I. Claassen image
  1107. Closterium pseudolunula O.F. Borge image
  1108. Closterium pseudolunula var. concavum K. Förster & F. Eckert image
  1109. Closterium pseudolunula var. majus_('major') T.J.C. Irenee-Marie image
  1110. Closterium pseudolunula var. pseudolibellula (Fritsch) W. Krieger
  1111. Closterium pseudolunula var. spetsbergense (Borge) O.A. Petlovany
  1112. Closterium pseudonasutum C.C. Jao image
  1113. Closterium pseudonitidulum var. obsoletum M.C. Cooke
  1114. Closterium pseudopenium R.L. Grönblad image
  1115. Closterium pseudopusillum E. Messikommer image
  1116. Closterium pseudopygmaeum F.A.C. Kouwets
  1117. Closterium pseudospirotaenium E.J. Lemmermann image
  1118. Closterium pseudospirotaenium var. fasciculatum E.J. Lemmermann image
  1119. Closterium pseudospirotaenium var. variabile E.J. Lemmermann image
  1120. Closterium pseudospirotaenium var. variabile Lemmermann
  1121. Closterium pseudoturgidum R. Gutwinski image
  1122. Closterium pseudoturgidum R. Gutwinski image
  1123. Closterium pulchellum West & G.S. West image
  1124. Closterium pulchellum f. grande G.W. Prescott
  1125. Closterium pulchellum var. burmense West & G.S. West image
  1126. Closterium punctatum H.L. Skuja image
  1127. Closterium punctatum R. Gistl image
  1128. Closterium punctatum Skuja {illegitimate}
  1129. Closterium pusillum C.A. Hantzsch image
  1130. Closterium pusillum C.A. Hantzsch image
  1131. Closterium pusillum f. terrestre H.L. Skuja image
  1132. Closterium pusillum var. applanatum Willi Krieger & P. Bourrelly image
  1133. Closterium pusillum var. laticeps R.L. Grönblad image
  1134. Closterium pusillum var. majus_('major') J. Roy & J. Bisset image
  1135. Closterium pusillum var. majus_('major') M. Raciborski image
  1136. Closterium pusillum var. minus_('minor') M. Raciborski image
  1137. Closterium pusillum var. minus_('minor') V. Allorge & P. Allorge image
  1138. Closterium pusillum var. monolithum V.B. Wittrock image
  1139. Closterium pusillum var. subrectum West & G.S. West image
  1140. Closterium pygmaeum R. Gutwinski image
  1141. Closterium quadrangulare A.K.J. Corda image
  1142. Closterium quadrangulare Corda
  1143. Closterium quadrangulare Corda {invalid}
  1144. Closterium ralfsii Brébisson ex Ralfs
  1145. Closterium ralfsii L.A. Brebisson image
  1146. Closterium ralfsii L.A. Brebisson ex J. Ralfs image
  1147. Closterium ralfsii f. bohemicum K. Rosa image
  1148. Closterium ralfsii f. costatum Lacoste de Díaz image
  1149. Closterium ralfsii f. laeve T.J.C. Irenee-Marie image
  1150. Closterium ralfsii f. majus_('major') West & G.S. West image
  1151. Closterium ralfsii f. procera T.J.C. Irenee-Marie image
  1152. Closterium ralfsii f. sigmoideum T.J.C. Irenee-Marie image
  1153. Closterium ralfsii f. sigmoideum T.J.C. Irenee-Marie image
  1154. Closterium ralfsii var. delpontei_('delpontii') G.A. Klebs image
  1155. Closterium ralfsii var. glentigianum M.I. Claassen image
  1156. Closterium ralfsii var. gracilius (Maskell) W. Krieger {illegitimate}
  1157. Closterium ralfsii var. hybridum G.L. Rabenhorst image
  1158. Closterium ralfsii var. immane J.A. Cushman image
  1159. Closterium ralfsii var. kriegeri E.O. Hughes image
  1160. Closterium ralfsii var. majus_('major') F.J. Cohn image
  1161. Closterium ralfsii var. minus_('minor') M.I. Claassen image
  1162. Closterium ralfsii var. nodosum M.I. Claassen image
  1163. Closterium ralfsii var. novae-angliae (J.A. Cushman) W. Krieger
  1164. Closterium ralfsii var. pterosporum P. Bourrelly image
  1165. Closterium ralfsii var. subpunctatum H.T. Croasdale image
  1166. Closterium ralfsii var. subralfsii M.I. Claassen image
  1167. Closterium ralfsii var. typicum G.A. Klebs image
  1168. Closterium ranunculi I.F. Lewis, C. Zirkle, & R. Patrick
  1169. Closterium rectimarginatum A.M. Scott & G.W. Prescott image
  1170. Closterium rectimarginatum f. indicum J.P. Keshri & D. Das
  1171. Closterium rectimarginatum var. maius N.D. Kamat image
  1172. Closterium rectum R. Gutwinski image
  1173. Closterium rectum R. Gutwinski image
  1174. Closterium recurvatum Roll
  1175. Closterium recurvatum Y.V. Roll image
  1176. Closterium recurvum G.W. Prescott image
  1177. Closterium refractum G.B. Delponte image
  1178. Closterium regulare Brébisson
  1179. Closterium regulare L.A. Brebisson image
  1180. Closterium regulare f. minus K. Förster
  1181. Closterium regulare var. dilatatum W. Schmidle image
  1182. Closterium reticulatum J.P. Keshri & D. Das
  1183. Closterium retusum G.G.A. Meneghini image
  1184. Closterium robustum W.N. Hastings image
  1185. Closterium rostratum C.G. Ehrenberg image
  1186. Closterium rostratum C.G. Ehrenberg ex J. Ralfs image
  1187. Closterium rostratum f. angustior R. Gutwinski image
  1188. Closterium rostratum f. angustior R. Gutwinski image
  1189. Closterium rostratum f. brevirostratum (West) E.K. Kossinskaja image
  1190. Closterium rostratum f. incolorato-glabra N.N. Woronichin image
  1191. Closterium rostratum f. longior S.P. Petkoff image
  1192. Closterium rostratum f. papuanum Masayuki Watanabe
  1193. Closterium rostratum f. sigmoideum T.J.C. Irenee-Marie image
  1194. Closterium rostratum var. angustatum Y.V. Roll image
  1195. Closterium rostratum var. borgei W. Krieger
  1196. Closterium rostratum var. brevirostratum West image
  1197. Closterium rostratum var. extensum G.W. Prescott
  1198. Closterium rostratum var. kuetzingii (Brébisson) Klebs {illegitimate}
  1199. Closterium rostratum var. kuetzingii (L.A. Brebisson) G.A. Klebs image
  1200. Closterium rostratum var. laeve P. Capdevielle image
  1201. Closterium rostratum var. laevigatum L.A. Brebisson image
  1202. Closterium rostratum var. longirostratum Alcorn {illegitimate}
  1203. Closterium rostratum var. longirostratum Eggert
  1204. Closterium rostratum var. mammosisporum K. Förster image
  1205. Closterium rostratum var. minus_('minor') Y.V. Roll image
  1206. Closterium rostratum var. oncosporum (Nordstedt) W. Krieger
  1207. Closterium rostratum var. setaceum (C.G. Ehrenberg) G.A. Klebs image
  1208. Closterium rostratum var. sikkimicum J.P. Keshri & D. Das
  1209. Closterium rostratum var. subrostratum (W. Krieger) W. Krieger
  1210. Closterium rostratum var. typicum G.A. Klebs image
  1211. Closterium ruficeps C.G. Ehrenberg image
  1212. Closterium rugosum N. Woodhead & R.D. Tweed image
  1213. Closterium s-romanum G.E. Huber-Pestalozzi image
  1214. Closterium sceptrum F.T. Kützing image
  1215. Closterium schroederi J. Woloszynska image
  1216. Closterium schweickerdtii M.I. Claassen image
  1217. Closterium scoticum W. Turner image
  1218. Closterium scoticum W.B. Turner
  1219. Closterium scoticum var. fusiforme W. Turner image
  1220. Closterium selenaeum W.M. Maskell image
  1221. Closterium selenastroides Y.V. Roll image
  1222. Closterium selenastrum M. Watanabe {invalid}
  1223. Closterium semicirculare Willi Krieger & A.M. Scott image
  1224. Closterium setaceum C.G. Ehrenberg image
  1225. Closterium setaceum C.G. Ehrenberg ex J. Ralfs image
  1226. Closterium setaceum L.A. Brebisson image
  1227. Closterium setaceum f. recta T.J.C. Irenee-Marie image
  1228. Closterium setaceum f. sigmoideum T.J.C. Irenee-Marie image
  1229. Closterium setaceum var. elongatum West & G.S. West image
  1230. Closterium setaceum var. intermedium (F.T. Kützing) G.L. Rabenhorst image
  1231. Closterium setaceum var. rectum T.J.C. Irenee-Marie image
  1232. Closterium setaceum var. rollii E.K. Kossinskaja image
  1233. Closterium setaceum var. vittatum (Nordstedt) Grönblad
  1234. Closterium sigmoideum N.G. Lagerheim & C.F.O. Nordstedt image
  1235. Closterium sigmoideum f. majus_('major') West & G.S. West image
  1236. Closterium sikkimicum J.P. Keshri & D. Das
  1237. Closterium silesiacum R.L. Grönblad image
  1238. Closterium siliqua West & G.S. West image
  1239. Closterium siliqua var. turgidum T. Hinode image
  1240. Closterium sinense J. Lütkemüller image
  1241. Closterium sinense var. minus M. Hirano
  1242. Closterium sinuosum D.B. Williamson
  1243. Closterium soroksariense M. Halász image
  1244. Closterium speciosum W.B. Turner
  1245. Closterium spetsbergense Borge
  1246. Closterium spetsbergense O.F. Borge image
  1247. Closterium spetsbergense f. longius V.I. Poljansky image
  1248. Closterium spetsbergense f. maius H.T. Croasdale image
  1249. Closterium spetsbergense f. majus_('major') P. Schulz-Danzig image
  1250. Closterium spetsbergense f. manshurica B.V. Skvortzov image
  1251. Closterium spetsbergense f. sigmoideum T.J.C. Irenee-Marie image
  1252. Closterium spetsbergense var. africanum F.E. Fritsch & M.F. Rich
  1253. Closterium spetsbergense var. australe G.I. Playfair image
  1254. Closterium spetsbergense var. laticeps R.L. Grönblad image
  1255. Closterium spetsbergense var. palustre G.I. Playfair image
  1256. Closterium spetsbergense var. subafricanum M.I. Claassen image
  1257. Closterium spetsbergense var. subspetsbergense (N.N. Woronichin) E.K. Kossinskaja image
  1258. Closterium sphaerosporum (G.S. West) A.J. Brook
  1259. Closterium spinosporum W. Hodgetts image
  1260. Closterium spinosporum var. crassum M. Watanabe {invalid}
  1261. Closterium spinosporum var. malayense M. Watanabe {invalid}
  1262. Closterium spinosporum var. minus W. Hodgetts image
  1263. Closterium spinosporum var. ryukyuense M. Watanabe {invalid}
  1264. Closterium spirale A.K.J. Corda image
  1265. Closterium spirale Corda
  1266. Closterium spiraliferum J.P. Jacobsen image
  1267. Closterium squamatum C.G. Ehrenberg image
  1268. Closterium stellenboschense Hodgetts
  1269. Closterium stellenboschense W. Hodgetts image
  1270. Closterium striatum K.P. Biswas image
  1271. Closterium striatum K.P. Biswas image
  1272. Closterium strigosum A.A. Nayal image
  1273. Closterium strigosum Brébisson
  1274. Closterium strigosum L.A. Brebisson image
  1275. Closterium strigosum f. brevius_('brevior') S.P. Petkoff image
  1276. Closterium strigosum f. minus_('minor') C.C. Jao image
  1277. Closterium strigosum subsp. elegans (G.S. West) F.M. Sarim & M.A.F. Faridi image
  1278. Closterium strigosum var. arcuatum W. Krieger
  1279. Closterium strigosum var. elegans (G.S. West) W. Krieger
  1280. Closterium strigosum var. elongatum G.A. Klebs image
  1281. Closterium strigosum var. typicum G.A. Klebs image
  1282. Closterium striolatum C.G. Ehrenberg image
  1283. Closterium striolatum C.G. Ehrenberg ex J. Ralfs image
  1284. Closterium striolatum f. attenuatum P.E.E. Kaiser image
  1285. Closterium striolatum f. minus_('minor') K.E. Hirn image
  1286. Closterium striolatum f. recta West image
  1287. Closterium striolatum f. sigmoideum T.J.C. Irenee-Marie image
  1288. Closterium striolatum f. sigmoideum T.J.C. Irenee-Marie image
  1289. Closterium striolatum f. tumida J.N.F. Wille image
  1290. Closterium striolatum var. alpinum L. Viret image
  1291. Closterium striolatum var. borgei W. Krieger
  1292. Closterium striolatum var. borgei Willi Krieger image
  1293. Closterium striolatum var. costatum Klebs
  1294. Closterium striolatum var. crenulatum J.E. Weiss image
  1295. Closterium striolatum var. elongatum G.L. Rabenhorst image
  1296. Closterium striolatum var. erectum G.A. Klebs image
  1297. Closterium striolatum var. genuinum E.O.O. Kirchner image
  1298. Closterium striolatum var. hinganicum M. Noda & B.V. Skvortzov image
  1299. Closterium striolatum var. intermedia (J. Ralfs) J.P. Jacobsen image
  1300. Closterium striolatum var. latior K. Rosa image
  1301. Closterium striolatum var. monolithum L. Viret image
  1302. Closterium striolatum var. nylstromicum M.I. Claassen image
  1303. Closterium striolatum var. orthonotum J. Roy image
  1304. Closterium striolatum var. rectum M. Noda & B.V. Skvortzov image
  1305. Closterium striolatum var. regulare (L.A. Brebisson) G.A. Klebs image
  1306. Closterium striolatum var. robustum West & G.S. West image
  1307. Closterium striolatum var. sitvense R. Gutwinski image
  1308. Closterium striolatum var. spirostriolatum T.J.C. Irenee-Marie image
  1309. Closterium striolatum var. subcostatum O.F. Borge image
  1310. Closterium striolatum var. subdirectum (W. West) W. Krieger {illegitimate}
  1311. Closterium striolatum var. subjuncida (G. De Notaris) J.P. Jacobsen image
  1312. Closterium striolatum var. subnylstromicum M.I. Claassen image
  1313. Closterium striolatum var. subpunctatum M. Hirano image
  1314. Closterium striolatum var. subtruncatum (W. West & G.S. West) W. Krieger
  1315. Closterium striolatum var. tumidum G.L. Rabenhorst image
  1316. Closterium striolatum var. typicum G.A. Klebs image
  1317. Closterium striolatum var. ulna (G.W. Focke) Jacobsen image
  1318. Closterium striolatum var. unogranulatum M. Noda & B.V. Skvortzov image
  1319. Closterium striolatum var. vulgare_('vulgaris') J.P. Jacobsen image
  1320. Closterium subacutum G.A.S.F. Sampaio image
  1321. Closterium subangulatum R. Gutwinski image
  1322. Closterium subangulatum R. Gutwinski image
  1323. Closterium subangustatum West image
  1324. Closterium subbiclavatum E.N. Lacoste de Díaz image
  1325. Closterium subcapitatum West & G.S. West image
  1326. Closterium subcompactum West & G.S. West
  1327. Closterium subcostatum Alcorn {illegitimate}
  1328. Closterium subcostatum C.F.O. Nordstedt image
  1329. Closterium subcostatum Nordstedt
  1330. Closterium subcostatum var. dilatatum Borge image
  1331. Closterium subcrassum W.B. Turner image
  1332. Closterium subdecorum M.I. Claassen image
  1333. Closterium subdirectum W. West
  1334. Closterium subdirectum West image
  1335. Closterium subfusiforme E. Messikommer image
  1336. Closterium subgibbum Y.V. Roll image
  1337. Closterium subjuncidiforme R.L. Grönblad image
  1338. Closterium subjuncidiforme var. attenuatum E. Messikommer image
  1339. Closterium subjuncidum G. De Notaris image
  1340. Closterium subjuncidum f. minus_('minor') M. Raciborski image
  1341. Closterium sublagoense M.I. Claassen image
  1342. Closterium sublanceolatum N.N. Woronichin image
  1343. Closterium sublaterale Ruzička
  1344. Closterium sublineatum R. Gutwinski image
  1345. Closterium submalinvernianum N.N. Woronichin image
  1346. Closterium submoniliferum N.N. Woronichin image
  1347. Closterium submoniliferum Woronichin
  1348. Closterium submoniliferum f. coloratoglabrum_('colorato-glabra') Woronichin
  1349. Closterium submoniliferum f. incoloratoglabrum_('incolorato-glabra') Woronichin
  1350. Closterium submoniliferum f. incoloratostriatum_('incolorato-striata') Woronichin
  1351. Closterium subporrectum West & G.S. West image
  1352. Closterium subpronum West & G.S. West image
  1353. Closterium subpronum var. lacustre E.J. Lemmermann image
  1354. Closterium subpronum var. lacustre E.J. Lemmermann image
  1355. Closterium subrectum L.A. Brebisson image
  1356. Closterium subrostratum W. Krieger
  1357. Closterium subrostratum Willi Krieger image
  1358. Closterium subrostratum var. groenbladii P. Bourrelly image
  1359. Closterium subscoticiforme Grönblad
  1360. Closterium subscoticiforme R.L. Grönblad image
  1361. Closterium subscoticum R. Gutwinski image
  1362. Closterium subscoticum f. elongatum P. Bourrelly & A. Couté
  1363. Closterium subscoticum var. subscoticiforme (Grönblad) W. Krieger
  1364. Closterium subsiliquum_('subsiliqua') M.I. Claassen image
  1365. Closterium subspetzbergense N.N. Woronichin image
  1366. Closterium subspetzbergense f. colorato-glabra N.N. Woronichin image
  1367. Closterium subspetzbergense f. colorato-striato-punctata N.N. Woronichin image
  1368. Closterium subspetzbergense f. incolorato-glabra N.N. Woronichin image
  1369. Closterium substrigosum (M. Raciborski) West & G.S. West image
  1370. Closterium subtile Brébisson
  1371. Closterium subtile L.A. Brebisson image
  1372. Closterium subtruncatum W. West & G.S. West
  1373. Closterium subtruncatum West & G.S. West image
  1374. Closterium subturgidum C.F.O. Nordstedt image
  1375. Closterium subulatum (F.T. Kützing) L.A. Brebisson image
  1376. Closterium subulatum L.A. Brebisson image
  1377. Closterium subulatum f. angustum P. Compère image
  1378. Closterium subulatum f. majus_('major') J. Traunsteiner & M. Traunsteiner
  1379. Closterium subulatum var. controversum L.A. Brebisson image
  1380. Closterium subulatum var. latior Y.V. Roll image
  1381. Closterium subulatum var. minus Willi Krieger & P. Bourrelly image
  1382. Closterium subulatum var. sigmoideum N. Woodhead & R.D. Tweed image
  1383. Closterium sulcatum L.A. Brebisson image
  1384. Closterium tacomense G.W. Prescott
  1385. Closterium tenerrimum F.T. Kützing image
  1386. Closterium tenerrimum F.T. Kützing ex J. Ralfs image
  1387. Closterium tenerum N.N. Woronichin image
  1388. Closterium tenue F.T. Kützing image
  1389. Closterium tenue F.T. Kützing image
  1390. Closterium tenuissimum Max Schmidt
  1391. Closterium tetractinium F. Gay
  1392. Closterium thuretii_('thureti') L.A. Brebisson image
  1393. Closterium tortitaenioides P.F.M. Coesel
  1394. Closterium tortum B.M. Griffiths image
  1395. Closterium toxon West image
  1396. Closterium toxon f. elongatum West & G.S. West image
  1397. Closterium toxon f. sigmoideum T.J.C. Irenee-Marie image
  1398. Closterium toxon f. sigmoideum T.J.C. Irenee-Marie image
  1399. Closterium toxon var. validum West image
  1400. Closterium trabecula C.G. Ehrenberg image
  1401. Closterium trabeculoides Corda
  1402. Closterium trochiscosporum West & G.S. West image
  1403. Closterium truncatulum Y.V. Roll image
  1404. Closterium truncatum L.A. Brebisson image
  1405. Closterium truncatum L.A. Brebisson image
  1406. Closterium truncatum M.I. Claassen image
  1407. Closterium truncatum W.B. Turner image
  1408. Closterium tumidulum F. Gay
  1409. Closterium tumidulum f. indicum J.P. Keshri & D. Das
  1410. Closterium tumidulum f. truncatum K. Förster image
  1411. Closterium tumidum L.N. Johnson image
  1412. Closterium tumidum f. borgeanum K. Förster & F. Eckert image
  1413. Closterium tumidum f. elongata D. Milovanovic image
  1414. Closterium tumidum f. irenee-mariei_('irenee-mariae') G.W. Prescott
  1415. Closterium tumidum f. macrosporum W.R. Taylor image
  1416. Closterium tumidum f. maior K.P. Biswas image
  1417. Closterium tumidum f. majus_('major') Irénée-Marie {illegitimate}
  1418. Closterium tumidum f. majus_('major') T.J.C. Irenee-Marie image
  1419. Closterium tumidum f. minus_('minor') K.M. Strøm image
  1420. Closterium tumidum var. angustum M.I. Claassen image
  1421. Closterium tumidum var. koreana B.V. Skvortzov image
  1422. Closterium tumidum var. nylandicum Grönblad
  1423. Closterium tumidum var. nylandicum R.L. Grönblad image
  1424. Closterium tumidum var. sphaerospora G.S. West image
  1425. Closterium tumidum var. sphaerosporum_('sphaerospora') G.S. West
  1426. Closterium tumidum var. striatum P. Bourrelly image
  1427. Closterium turgidulum F.T. Kützing image
  1428. Closterium turgidulum F.T. Kützing ex J. Ralfs image
  1429. Closterium turgidum C.G. Ehrenberg image
  1430. Closterium turgidum C.G. Ehrenberg ex J. Ralfs image
  1431. Closterium turgidum f. attenuatum_('attenuata') Eichler
  1432. Closterium turgidum f. bohemicum K. Rosa image
  1433. Closterium turgidum f. bohemicum_('bohemica') Rosa
  1434. Closterium turgidum f. brasiliense_('brasiliensis') C.F.O. Nordstedt image
  1435. Closterium turgidum f. brasiliense_('brasiliensis') Nordstedt
  1436. Closterium turgidum f. glabra R. Gutwinski image
  1437. Closterium turgidum f. glabra R. Gutwinski image
  1438. Closterium turgidum f. intermedium J.A. Cushman image
  1439. Closterium turgidum f. sigmoideum T.J.C. Irenee-Marie image
  1440. Closterium turgidum subsp. giganteum C.F.O. Nordstedt image
  1441. Closterium turgidum subsp. giganteum Nordstedt
  1442. Closterium turgidum var. borgei G. Deflandre image
  1443. Closterium turgidum var. brasiliense (Nordstedt) De Toni
  1444. Closterium turgidum var. costulatum P. Bourrelly image
  1445. Closterium turgidum var. curtum J. Roy & J. Bisset image
  1446. Closterium turgidum var. decoratum West image
  1447. Closterium turgidum var. didymotocum (Corda ex Ralfs) Klebs
  1448. Closterium turgidum var. giganteum (Nordstedt) De Toni
  1449. Closterium turgidum var. groenbladii Schulz-Danzig image
  1450. Closterium turgidum var. kuetzingii G.L. Rabenhorst image
  1451. Closterium turgidum var. typicum G.A. Klebs image
  1452. Closterium ulna G.W. Focke image
  1453. Closterium ulna f. maius G.W. Prescott
  1454. Closterium ulna f. minus J. Roubal image
  1455. Closterium ulna f. striatum G.W. Prescott
  1456. Closterium ulna var. anastomosum (West & G.S. West) W. Krieger
  1457. Closterium ulna var. constrictum K.M. Stroøm image
  1458. Closterium ulna var. constrictum Strøm
  1459. Closterium ulna var. multinucleatum G. Deflandre image
  1460. Closterium ulna var. oligocampylum (Schmidle) W. Krieger
  1461. Closterium ulna var. recurvatum (Roll) W. Krieger
  1462. Closterium ulna var. robusta P. Palik image
  1463. Closterium ulnoides G.A.S.F. Sampaio image
  1464. Closterium uncinatum F.T. Kützing image
  1465. Closterium uncinatum F.T. Kützing ex J. Ralfs image
  1466. Closterium uncinatum Kützing ex Ralfs
  1467. Closterium validum West & G.S. West image
  1468. Closterium variabile A.J. Brook
  1469. Closterium varzinense J. Sampaio image
  1470. Closterium venus F.T. Kützing image
  1471. Closterium venus F.T. Kützing ex J. Ralfs image
  1472. Closterium venus Kützing ex Ralfs
  1473. Closterium venus f. lata T.J.C. Irenee-Marie image
  1474. Closterium venus f. majus V.G. Fedorov image
  1475. Closterium venus f. majus_('major') K.M. Strøm image
  1476. Closterium venus f. minus_('minor') T.J.C. Irenee-Marie image
  1477. Closterium venus f. minus_('minor') Y.V. Roll image
  1478. Closterium venus f. novum_('nova') R. Lenzenweger
  1479. Closterium venus f. sigmoideum T.J.C. Irenee-Marie image
  1480. Closterium venus f. torta (B.M. Griffiths) G. Nygaard image
  1481. Closterium venus f. tumida J. Ruzicka image
  1482. Closterium venus subsp. crassum F.M. Sarim & M.A.F. Faridi image
  1483. Closterium venus subsp. croasdalei F.M. Sarim & M.A.F. Faridi image
  1484. Closterium venus subsp. incurvum (L.A. Brebisson) F.M. Sarim & M.A.F. Faridi image
  1485. Closterium venus subsp. maius_('maior') (K.M. Strøm) F.M. Sarim & M.A.F. Faridi image
  1486. Closterium venus var. apollonionis H.T. Croasdale image
  1487. Closterium venus var. crassum H.T. Croasdale image
  1488. Closterium venus var. debegenicum_('debegenica') B.J. Cholnoky image
  1489. Closterium venus var. incurvum (Brébisson) W. Krieger
  1490. Closterium venus var. inflatum I.M. Claassen image
  1491. Closterium venus var. verrucosum (Roll) W. Krieger
  1492. Closterium venus var. westii W. Krieger
  1493. Closterium verrucosum Bailey image
  1494. Closterium verrucosum Roll
  1495. Closterium verrucosum Y.V. Roll image
  1496. Closterium versteegianum C. Bernard image
  1497. Closterium vulcanicum B.V. Skvortzov & M. Noda image
  1498. Closterium wagae R. Gutwinski image
  1499. Closterium wagae R. Gutwinski image
  1500. Closterium wallichii W.B. Turner image
  1501. Closterium warmbadianum M.I. Claassen image
  1502. Closterium warmbadianum var. porulosum M.I. Claassen image
  1503. Closterium wittrockianum W.B. Turner image
  1504. Closterium wittrockianum var. africana W. Schmidle image
  1505. Closterium wittrockianum var. africanum Schmidle
  1506. Closterium wittrockii W.B. Turner image
  1507. Cylindrotheca closterium (Ehrenberg) Reimann & Lewin image
  1508. Cylindrotheca closterium var. californica (Mereschkowsky) Reimann & Lewin image
  1509. Cystodinium closterium Pascher image
  1510. Cystodinium closterium var. crassa Bourrelly image
  1511. EUCLOSTERIUM (Wills) Hirano image
  1512. EUCLOSTERIUM J.N.F. Wille image
  1513. GLENOCLOSTERIUM H.J. Carter image
  1514. Homoeocladia closterium (Ehrenberg) Kuntze image
  1515. Nitzschia closterium (Kützing) W. Smith image
  1516. Nitzschia closterium f. curvata Lohmann image
  1517. Nitzschia closterium f. minutissima E.J. Allen & E.W. Nelson
  1518. Nitzschia closterium f. minutissima Starr image
  1519. Nitzschia closterium f. tenuissima Manguin image
  1520. Nitzschia closterium var. recta Gran & Angst image
  1521. Nitzschia closterium var. reversa (W. Smith) Hauck
  1522. Nitzschia closterium var. striatula Hasle image
  1523. Nitzschiella closterium (Ehrenberg) Rabenhorst
  1524. PALEOCLOSTERIUM Baschnagel image
  1525. PALEOCLOSTERIUM Baschnagel image
  1526. PHEOCLOSTERIUM Tappan & Loeblich jr. image
  1527. Paleoclosterium leptum Baschnagel image
  1528. Paleoclosterium leptum Baschnagel image
  1529. Pheoclosterium fuscinulaegerum Tappan & Loeblich Jr. image
  1530. Polysolenia closterium C.G. Ehrenberg image
  1531. RECTOCLOSTERIUM L. Reverdin image
  1532. Roya pseudoclosterium (Roy) West & West image
  1533. Roya pseudoclosterium f. minor A.J. Brook & D.B. Williamson
  1534. SPINOCLOSTERIUM Ch. Bernard image
  1535. Spinoclosterium curvatum Bernard image
  1536. Spinoclosterium curvatum var. spinosum (Prescott) Prescott image
  1537. Spinoclosterium cuspidatum (Bailey) Hirano image
  1538. Spinoclosterium cuspidatum f. crassum Prescott