Index Nominum Algarum Image Index

2246 CARD IMAGES
beginning with Cosmarium naegelianum Brebisson

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1. Cosmarium naegelianum Brebisson
2. Cosmarium naegelianum Brebisson ex Archer
3. Cosmarium naegelianum var. crenatum [Margalef]
4. Cosmarium naegelianum var. crenulatum Schmidle
5. Cosmarium naegelianum f. binucleatum Beck-Mannagetta
6. Cosmarium naegelianum var. latum Maskell
7. Cosmarium naegelianum f. minus Beck-Mannagetta
8. Cosmarium nakaoanum Hirano
9. Cosmarium nannos Skuja
10. Cosmarium nanum Brühl & Biswas
11. Cosmarium nanum Claassen
12. Cosmarium naplesiense Scott & Grönblad
13. Cosmarium nasutum Nordstedt
14. Cosmarium nasutum f. apertum ('aperta') Cedergren
15. Cosmarium nasutum f. apertum ('aperta') Roubal
16. Cosmarium nasutum var. asperum (West & West) West & West
17. Cosmarium nasutum var. euastriforme Schmidle
18. Cosmarium nasutum f. formatum Ducellier
19. Cosmarium nasutum f. granulatum ('granulata') Nordstedt
20. Cosmarium nasutum var. perornatum Skuja
21. Cosmarium nasutum var. simplex Istvanffi
22. Cosmarium nasutum var. simplex Istvanffi
23. Cosmarium nasutum var. subcirculare Skuja
24. Cosmarium nasutum var. subnasutum (Raciborski) Nordstedt
25. Cosmarium nasutum var. wollei Lagerheim
26. Cosmarium nathorstii Boldt
27. Cosmarium nathorstii var. majus Woloszynska
28. Cosmarium nathorstii f. tatricum ('tatrica') Gutwinski
29. Cosmarium nathorstii var. trinotatum Gutwinski
30. Cosmarium naui Kiselev
31. Cosmarium naviculare Borge
32. Cosmarium neapolitanum Balsamo
33. Cosmarium neapolitanum var. australicum Schmidle
34. Cosmarium neglectum Krieger
35. Cosmarium nephroideum (Wittrock) Roy & Bisset
36. Cosmarium netzerianum Schmidle
37. Cosmarium nigrocirratum W.B. Turner
38. Cosmarium nilssonii Lewin
39. Cosmarium nipponicum Hirano
40. Cosmarium nitidulum De Notaris
41. Cosmarium nitidulum f. gaditanum ('gaditana') González Guerrero
42. Cosmarium nitidulum f. genuinum ('genuina') Lundell
43. Cosmarium nitidulum f. hians Irenee-Marie
44. Cosmarium nitidulum var. javanicum Krieger & Gerloff
45. Cosmarium nitidulum f. majus ('major') Lundell
46. Cosmarium nitidulum var. mesotumidulum Gutwinski
47. Cosmarium nitidulum var. minutum Prescott
48. Cosmarium nitidulum var. pseudorectangulare Messikommer
49. Cosmarium nitidulum var. pseudovalidum Taft
50. Cosmarium nitidulum f. punctulatum ('punctulata') Gutwinski
51. Cosmarium nitidulum var. subundulatum ('subundulata') Schmidle
52. Cosmarium nodosum O. Andersson
53. Cosmarium nodosum var. stellatum ('stellata') Eichler & Raciborski {nomen}
54. Cosmarium noduliferum W.B. Turner
55. Cosmarium nordstedtianum Reinsch
56. Cosmarium nordstedtii Delponte
57. Cosmarium nordstedtii Raciborski
58. Cosmarium norimbergense Reinsch
59. Cosmarium norimbergense f. boldtii Messikommer
60. Cosmarium norimbergense var. boldtii (Messikommer) Ruzicka
61. Cosmarium norimbergense f. depressum ('depressa') W. & G. S. West
62. Cosmarium norimbergense var. depressum (West & West) Krieger & Gerloff
63. Cosmarium norimbergense f. dilatatum ('dilatata') Schmidle
64. Cosmarium norimbergense f. elongatum ('elongata') W. West & G. S. West
65. Cosmarium norimbergense var. elongatum (West & G.S. West) Krieger
66. Cosmarium norimbergense f. majus Reinsch
67. Cosmarium norimbergense var. microscopicum W.B. Turner
68. Cosmarium norimbergense f. minus Reinsch
69. Cosmarium norimbergense var. pseudodepressum Förster
70. Cosmarium norimbergense var. sublobatiforme (Grönblad) Krieger & Gerloff
71. Cosmarium norvegicum Strøm
72. Cosmarium noshaquense Hirano
73. Cosmarium notabile Brebisson
74. Cosmarium notabile f. arcticum Kosinskaya
75. Cosmarium notabile var. benedictum (Ducellier) Krieger & Gerloff
76. Cosmarium notabile var. granulatum Suxena & Venkateswarlu
77. Cosmarium notabile var. heterocrenatum (West & West) Krieger & Gerloff
78. Cosmarium notabile f. medium ('media') Gutwinski
79. Cosmarium notabile var. medium (Gutwinski) Krieger & Gerloff
80. Cosmarium notabile f. minus ('minor') Wille
81. Cosmarium notabile f. ornatum ('ornata') Nordstedt
82. Cosmarium notabile var. transiens Insam & Krieger
83. Cosmarium notatum (R. Grönblad) P.F.M. Coesel
84. Cosmarium notochondrum West & West
85. Cosmarium novae-semliae ('novae-semliae') Wille
86. Cosmarium novae-semliae var. granulatum Schmidle
87. Cosmarium novae-semliae var. hinganicum Noda & Skvortzov
88. Cosmarium novae-semliae var. polonicum Eichler & Gutwinski
89. Cosmarium novae-semliae var. sibiricum Boldt
90. Cosmarium novae-semliae var. suecicum Lemmermann
91. Cosmarium novae-semliae var. tibeticum Wei
92. Cosmarium novae-terrae Taylor
93. Cosmarium nudiceps Johnson
94. Cosmarium nudiceps L.N. Johnson
95. Cosmarium nudum (Turner) Gutwinski
96. Cosmarium nudum var. compressum Gutwinski
97. Cosmarium nudum var. javanicum Gutwinski
98. Cosmarium nudum var. minus ('minor') Bourrelly
99. Cosmarium nuristanicum Hirano
100. Cosmarium nuristanicum Hirano
101. Cosmarium nuttallii W. West
102. Cosmarium nygaardii Bongale
103. Cosmarium nylstromicum Claassen
104. Cosmarium nymannianum Grunow ex Rabenhorst
105. Cosmarium nymannianum var. abyssinicum (Lagerheim) Krieger & Gerloff
106. Cosmarium nymannianum f. brevius ('brevior') [Wille]
107. Cosmarium nymannianum var. brevius (Wille) Krieger & Gerloff
108. Cosmarium nymannianum f. elongatum ('elongata') Raciborski
109. Cosmarium nymannianum f. majus ('major') Raciborski
110. Cosmarium nymannianum f. minus ('minor') Raciborski
111. Cosmarium nymannianum var. fallax Scott & Grönblad
112. Cosmarium nymannianum f. minus Kosinskaya
113. Cosmarium nymannianum f. pygmaeum ('pygmaea') Gutwinski
114. Cosmarium nymannianum var. subkolkwitzii Förster & Eckert
115. Cosmarium obcuneatum W. West
116. Cosmarium obliquum Nordstedt
117. Cosmarium obliquum var. corribensiforme Messikommer
118. Cosmarium obliquum var. elongatum (Sampaio) Krieger & Gerloff
119. Cosmarium obliquum var. euastroides Grönblad
120. Cosmarium obliquum f. laticeps (Grunow) Cedergren
121. Cosmarium obliquum f. majus ('major') Nordstedt
122. Cosmarium obliquum f. medium ('media') Nordstedt
123. Cosmarium obliquum f. minimum ('minima') [W. West]
124. Cosmarium obliquum var. minimum (W. West) Krieger & Gerloff
125. Cosmarium obliquum f. minus ('minor') Nordstedt
126. Cosmarium obliquum f. minutissimum ('minutissima') Ducellier
127. Cosmarium obliquum var. ornatum Krieger
128. Cosmarium obliquum var. ovale Grönblad
129. Cosmarium obliquum var. symmetricum Grönblad
130. Cosmarium obliquum f. tatricum ('tatrica') Gutwinski
131. Cosmarium obliquum var. tatricum (Gutwinski) Krieger & Gerloff
132. Cosmarium obliquum var. trigonum W. West
133. Cosmarium obliquum var. triquetrum Grönblad
134. Cosmarium obliquum f. undulatum ('undulata') Casandey
135. Cosmarium obliquum (Greville) Brebisson
136. Cosmarium oblongum Bennett
137. Cosmarium obsoletum var. angustatum W. West
138. Cosmarium obsoletum f. galiciense Gutwinski
139. Cosmarium obsoletum f. galiciense ('galiciensis') Gutwinski
140. Cosmarium obsoletum var. dorsitruncatiforme (Gutwinski) Krieger
141. Cosmarium obsoletum var. glabrum ('glabra') van Oye
142. Cosmarium obsoletum f. majus ('major') W.B. Turner
143. Cosmarium obsoletum subsp. maximum Børgesen
144. Cosmarium obsoletum var. minus (Messikommer) Krieger & Gerloff
145. Cosmarium obsoletum var. ovale (Turner) Bernard
146. Cosmarium obsoletum subsp. palustre (Turner) Brühl & Biswas
147. Cosmarium obsoletum var. pevalkii Grönblad
148. Cosmarium obsoletum var. punctatum Maskell
149. Cosmarium obsoletum var. scrobiculatum Gutwinski
150. Cosmarium obsoletum var. singaporense Bernard
151. Cosmarium obsoletum var. sitvense Gutwinski
152. Cosmarium obsoletum f. dentatum ('dentata') Playfair
153. Cosmarium obsoletum var. transvaalense Claassen
154. Cosmarium obtusatum (Schmidle) Schmidle
155. Cosmarium obtusatum f. aequale ('aequalis') Ruzicka
156. Cosmarium obtusatum var. beanlandii (West & West) W. West & G. S. West
157. Cosmarium obtusatum var. burmense Ruzicka
158. Cosmarium obtusatum var. glabrum Borge
159. Cosmarium obtusatum var. horwoodii F. Rich
160. Cosmarium obtusatum var. hyalinum Noda & Skvortzov
161. Cosmarium obtusatum f. minus Skuja
162. Cosmarium obtusatum f. perornatum ('perornata') Messikommer
163. Cosmarium obtusatum var. skujae Ruzicka
164. Cosmarium obsoletum var. tinecense Raciborski
165. Cosmarium obtusatum var. undulatum Fritsch & Rich
166. Cosmarium occidentale W.B. Turner
167. Cosmarium occidentale var. intermedium Gutwinski
168. Cosmarium occidentale var. ornatum W.B. Turner
169. Cosmarium occultum Schmidle
170. Cosmarium ocellatum Eichler & Gutwinski
171. Cosmarium ocellatum var. americanum W. West & G. S. West
172. Cosmarium ocellatum var. brasiliense Förster & Eckert
173. Cosmarium ocellatum var. forsteri Suxena & Venkateswarlu
174. Cosmarium ocellatum var. glabrum Hinode
175. Cosmarium ocellatum var. gutwinskii Woloszynska
176. Cosmarium ocellatum var. incrassatum West & West
177. Cosmarium ocellatum var. notatum (Nordstedt) Krieger & Gerloff
178. Cosmarium ocellatum var. papillatum Hinode
179. Cosmarium ocellatum var. rotundatum Fritsch & Rich
180. Cosmarium ochthodes Nordstedt
181. Cosmarium ochthodes var. aequale ('aequalis') Insam & Krieger
182. Cosmarium ochthodes var. amoeba-granulosa Schmidle
183. Cosmarium ochthodes var. amoebum W. West
184. Cosmarium ochthodes var. calvum Noda & Skvortzov
185. Cosmarium ochthodes f. granulosum Lütkemüller
186. Cosmarium ochthodes var. mesoleium Raciborski
187. Cosmarium ochthodes f. minus Dick
188. Cosmarium ochthodes var. minus Uherkovich
189. Cosmarium ochthodes var. obtusatum Gutwinski
190. Cosmarium ochthodes var. obtusatum ('obtusata') Noda & Skvortzov
191. Cosmarium ochthodes f. giganteum Beck-Mannagetta
192. Cosmarium ochthodes var. pyramidatum Noda & Skvortzov
193. Cosmarium ochthodes var. subcirculare Wille
194. Cosmarium octagonum W.B. Turner
195. Cosmarium octogibbosum var. indicum ('indica') W.B. Turner
196. Cosmarium octogibbosum f. minus ('minor') W.B. Turner
197. Cosmarium octagonum var. constrictum Lagerheim
198. Cosmarium oculiferum Lagerheim
199. Cosmarium oculum Krieger & Gerloff
200. Cosmarium odontopleurum Archer ex Roy & Bisset
201. Cosmarium oenpelliense Scott & Prescott
202. Cosmarium oligogongrus Reinsch
203. Cosmarium oliveri J. Schaarschmidt
204. Cosmarium onychonema Raciborski
205. Cosmarium onychonema var. africanum Krieger & Gerloff
206. Cosmarium oocystidum W. West & G. S. West
207. Cosmarium ophalii Prescott & Scott
208. Cosmarium orbiculare Ralfs
209. Cosmarium orbiculatum Ralfs
210. Cosmarium orbiculatum Ralfs ex Ralfs
211. Cosmarium orbiculatum var. calvum (Schmidle) Schmidle
212. Cosmarium orbiculatum f. majus ('major') West & West
213. Cosmarium ordinatum (Børgesen) West & West
214. Cosmarium ordinatum Skuja
215. Cosmarium ordinatum var. borgei Scott & Grönblad
216. Cosmarium ordinatum f. mucronatum ('mucronata') Bharati & Hegde
217. Cosmarium ordinatum var. depressum W. West & G. S. West
218. Cosmarium ordinatum var. montanum Gutwinski
219. Cosmarium ordinatum var. schulzii (Messikommer) Förster
220. Cosmarium orientale W.B. Turner
221. Cosmarium ornatissimum Schmidle
222. Cosmarium ornatum Ralfs
223. Cosmarium ornatum Ralfs ex Ralfs
224. Cosmarium ornatum var. amoebum Förster & Eckert
225. Cosmarium ornatum var. anglicum ('anglica') Raciborski
226. Cosmarium ornatum f. depauperatum ('depauperata') Jacobsen
227. Cosmarium ornatum var. incertum Grönblad
228. Cosmarium ornatum var. lagoense Nordstedt
229. Cosmarium ornatum var. lithuanicum ('lithuanica') Raciborski
230. Cosmarium ornatum f. ellipsiferum ('ellipsifera') Schmidle
231. Cosmarium ornatum var. lapponicum Schmidle
232. Cosmarium ornatum f. rotundatum ('rotundata') Schmidle
233. Cosmarium ornatum f. majus ('major') Børgesen
234. Cosmarium ornatum var. minus ('minor') Wille
235. Cosmarium ornatum var. perornatum Grönblad
236. Cosmarium ornatum var. polonicum Raciborski
237. Cosmarium ornatum var. protractum Wolle
238. Cosmarium ornatum var. pseudolagoense Förster & Eckert
239. Cosmarium ornatum f. simplex Irenee-Marie
240. Cosmarium ornatum var. sublagoense Förster & Eckert
241. Cosmarium ornatum var. subpolonicum Gutwinski
242. Cosmarium ornatum var. woloszynskae Grönblad
243. Cosmarium orochonicum Noda & Skvortzov
244. Cosmarium orochonicum var. rectum Noda & Skvortzov
245. Cosmarium orthogonum Delponte
246. Cosmarium orthogonum f. crenulatum ('crenulata') Hortobagyi
247. Cosmarium orthogonum var. gutwinskii Krieger & Gerloff
248. Cosmarium orthopleurum Roy & Bisset
249. Cosmarium orthopunctulatum Schmidle
250. Cosmarium orthostichum Lundell
251. Cosmarium orthostichum var. carinthiacum ('carinthiaca') Schmidle
252. Cosmarium orthostichum var. carniolicum ('carniolica') Schmidle
253. Cosmarium orthostichum var. compactum West & West
254. Cosmarium orthostichum var. minutum Skvortzov & Noda
255. Cosmarium orthostichum var. pseudopumilum Claassen
256. Cosmarium orthostichum var. pumilum Lundell
257. Cosmarium orthostichum var. rectangulum Eichler & Gutwinski
258. Cosmarium orthostichum f. schulzii Messikommer
259. Cosmarium orthostichum f. subpolonicum ('subpolonica') Messikommer
260. Cosmarium orthostichum var. transvaalense Claassen
261. Cosmarium orthostichum var. truncatum Messikommer
262. Cosmarium ortogonum Delponte
263. Cosmarium ortogonum var. concinnum Raciborski
264. Cosmarium orthostichum var. trigonum Lagerheim
265. Cosmarium osteri Schmidle
266. Cosmarium otus Krieger
267. Cosmarium otus var. ornatum Scott & Prescott
268. Cosmarium ovale Ralfs
269. Cosmarium ovale Ralfs ex Ralfs
270. Cosmarium ovale var. excisum Raciborski
271. Cosmarium ovale var. prescottii Irenee-Marie
272. Cosmarium ovale var. subglabrum West & West
273. Cosmarium ozense Hirano
274. Cosmarium pachydermum Lundell
275. Cosmarium pachydermum var. aethiopicum (West & West) W. West & G. S. West
276. Cosmarium pachydermum f. minus ('minor') Rich
277. Cosmarium pachydermum f. tortum Grönblad
278. Cosmarium pachydermum var. alaskense Hirano
279. Cosmarium pachydermum var. complanatum Scott & Grönblad
280. Cosmarium pachydermum var. deflandreanum Laporte
281. Cosmarium pachydermum var. ellipticum Hinode
282. Cosmarium pachydermum var. heptagenum Grönblad
283. Cosmarium pachydermum var. hexagonum Gutwinski
284. Cosmarium pachydermum var. hinganicum Noda & Skvortzov
285. Cosmarium pachydermum var. incrassatum Scott & Grönblad
286. Cosmarium pachydermum var. indicum Iyengar & Vimala Bai
287. Cosmarium pachydermum f. intermedium ('intermedia') Maskell
288. Cosmarium pachydermum var. latum Klebs
289. Cosmarium pachydermum var. majus Printz
290. Cosmarium pachydermum var. minus Nordstedt
291. Cosmarium pachydermum var. ochthodiforme ('ochthodiformis') Istvanffi
292. Cosmarium pachydermum var. ochthodiforme ('ochthodiformis') Istvanffi
293. Cosmarium pachydermum var. pusillum Irenee-Marie
294. Cosmarium pachydermum f. rectangulare Geissbühler
295. Cosmarium pachydermum var. rectangulare (Geissbühler) Krieger & Gerloff
296. Cosmarium pachydermum var. schmidlei Printz
297. Cosmarium pachydermum var. sudanense Grönblad & Scott
298. Cosmarium pachydermum var. tortum (Grönblad) Krieger & Gerloff
299. Cosmarium pachydermum f. transitorium ('transitoria') Heimerl
300. Cosmarium pachydermum var. tuberculatum Fritsch
301. Cosmarium pachydermum var. typicum Klebs
302. Cosmarium pachydermum var. waterbergense Claassen
303. Cosmarium pacificum L.N. Johnson
304. Cosmarium pakistanicum Islam
305. Cosmarium palangula Brebisson ex Ralfs
306. Cosmarium palangula var. debaryi ('De Baryi') Rabenhorst
307. Cosmarium palangula var. genuinum Rabenhorst
308. Cosmarium palangula var. notarisii Rabenhorst
309. Cosmarium palmatum Brebisson in litt.
310. Cosmarium palmatum Brebisson ms.
311. Cosmarium palustre W.B. Turner
312. Cosmarium palustre f. majus ('major') W.B. Turner
313. Cosmarium palustre f. minus ('minor') W.B. Turner
314. Cosmarium palustre var. ovale W.B. Turner
315. Cosmarium panamense Prescott
316. Cosmarium panamense var. smithii Hughes
317. Cosmarium panduratum Delponte
318. Cosmarium panduriforme W.B. Turner
319. Cosmarium pankakoskii Grönblad
320. Cosmarium papilio Meneghini
321. Cosmarium papilio Meneghini ex Ralfs
322. Cosmarium papillare Förster
323. Cosmarium papilliferum Schmidle
324. Cosmarium papilliferum var. eloisianum Grönblad
325. Cosmarium papkuilense Fritsch & Rich
326. Cosmarium pappekuilense G.S. West
327. Cosmarium paradoxum W.B. Turner
328. Cosmarium paradoxum var. insigne (Turner) Schmidle
329. Cosmarium paragranatoides Skuja
330. Cosmarium paragranatoides var. dickii Krieger & Gerloff
331. Cosmarium paraguayense Borge
332. Cosmarium parallelum Borge
333. Cosmarium parallelum f. majus ('major') Petkoff
334. Cosmarium pardalis Cohn
335. Cosmarium pardalis f. minus ('minor') W. Joshua
336. Cosmarium pardalis var. scabrum (Turner) Bourrelly
337. Cosmarium parvulum Brebisson
338. Cosmarium parvulum var. attenuatum Gutwinski
339. Cosmarium parvulum var. attenuatum Gutwinski
340. Cosmarium parvulum var. excavatum Insam & Krieger
341. Cosmarium parvulum var. helveticum Krieger & Gerloff
342. Cosmarium parvulum var. kriegeri Krieger & Gerloff
343. Cosmarium parvulum f. minus ('minor') West & West
344. Cosmarium parvulum var. minus Förster
345. Cosmarium parvulum var. pusillum (Hansgirg) Beck-Mannagetta
346. Cosmarium parvulum var. undulatum Schmidle ms.
347. Cosmarium patelliforme Borge
348. Cosmarium paucigranulatum Borge
349. Cosmarium paucigranulatum Whelden
350. Cosmarium paulense Børgesen
351. Cosmarium paulense var. japonicum Hirano
352. Cosmarium paulense f. minus ('minor') Bourrelly
353. Cosmarium paulense var. rotundatum Grönblad
354. Cosmarium paxillosum (Turner) Biswas
355. Cosmarium pearsoni G.S. West
356. Cosmarium pectinatum Brebisson
357. Cosmarium pectinoides Wolle
358. Cosmarium pedinochondrum Skuja
359. Cosmarium peniomorphum Scott & Prescott
360. Cosmarium peniomorphum var. latius ('latior') Scott & Prescott
361. Cosmarium pentachondrum Børgesen
362. Cosmarium peregrinum W.B. Turner
363. Cosmarium perfissum G.S. West
364. Cosmarium perforatum Lundell
365. Cosmarium perforatum var. crassangulatum Insam & Krieger
366. Cosmarium perforatum var. porosum Gutwinski
367. Cosmarium perforatum var. rauchii Ducellier
368. Cosmarium perforatum var. rotundatum ('rotundata') Børgesen
369. Cosmarium perforatum var. rotundatum ('rotundata') Børgesen
370. Cosmarium perforatum var. rotundatum ('rotundata') Skuja
371. Cosmarium perforatum var. skujae Grönblad
372. Cosmarium perforatum var. typicum Gutwinski
373. Cosmarium pericymatium Nordstedt
374. Cosmarium pericymatium var. eboracense W. & G. S. West
375. Cosmarium pericymatium var. eboracense West & West
376. Cosmarium pericymatium var. laeve Irénée-Marie
377. Cosmarium pericymatium var. latius ('latior') Fritsch & Rich
378. Cosmarium pericymatium var. notabiliforme Insam & Krieger
379. Cosmarium pericymatium var. pseudopericymatium (Deflandre) Krieger & Gerloff
380. Cosmarium perigranulatum Scott & Prescott
381. Cosmarium perincisum Grönblad
382. Cosmarium perincisum var. ahmedabadense Kamat
383. Cosmarium peritaphrenum Skuja
384. Cosmarium perizosmum W.B. Turner
385. Cosmarium perizosmum var. granulatum W.B. Turner
386. Cosmarium perizosmum var. ornatum W.B. Turner
387. Cosmarium permaculatum Grönblad & Scott
388. Cosmarium permaculatum var. subnudum Grönblad & Scott
389. Cosmarium perminutum var. australe (Raciborski) Krieger & Gerloff
390. Cosmarium perpastum W.B. Turner
391. Cosmarium perpusillum W. West
392. Cosmarium perpusillum var. nanum (Wille) Krieger & Gerloff
393. Cosmarium pertyanum Raciborski
394. Cosmarium pertyanum var. brevius Gutwinski
395. Cosmarium pertyanum var. brevius Gutwinski
396. Cosmarium petsamoense f. simplicius Kosinskaya
397. Cosmarium petsamoense var. simplicius (Kossinskaja) Krieger & Gerloff
398. Cosmarium phaseolus Brebisson
399. Cosmarium phaseolus Brebisson ex Ralfs
400. Cosmarium phaseolus var. achondrum Boldt
401. Cosmarium phaseolus f. majus ('major') Borge
402. Cosmarium phaseolus var. bioculatum (Brebisson) Klebs
403. Cosmarium phaseolus f. depressum Skuja
404. Cosmarium phaseolus var. elevatum Nordstedt
405. Cosmarium phaseolus f. bavaricum Kaiser
406. Cosmarium phaseolus f. epicondatum Bongale
407. Cosmarium phaseolus f. maius ('maior') Gutwinski
408. Cosmarium phaseolus f. minus ('minor') Rich
409. Cosmarium phaseolus var. karlukense Croasdale
410. Cosmarium phaseolus f. minus ('minor') Boldt
411. Cosmarium phaseolus f. minus ('minor') Raciborski
412. Cosmarium phaseolus var. minus (Boldt) Krieger & Gerloff
413. Cosmarium phaseolus var. minus Raciborski
414. Cosmarium phaseolus f. minutum ('minuta') Biswas
415. Cosmarium phaseolus var. minutum (Biswas) Krieger & Gerloff
416. Cosmarium phaseolus [subsp.] notatum Nordstedt
417. Cosmarium phaseolus f. subquadratum (W. West) Croasdale
418. Cosmarium phaseolus var. pseudostigmosum Förster
419. Cosmarium phaseolus f. punctulatum ('punctulata') Raciborski
420. Cosmarium phaseolus var. rectangulare Insam & Krieger
421. Cosmarium phaseolus var. skujae Krieger & Gerloff
422. Cosmarium phaseolus var. stigmosum Nordstedt
423. Cosmarium phaseolus var. stigmosum Nordstedt
424. Cosmarium phaseolus var. subbiremum Raciborski
425. Cosmarium phaseolus var. subquadratum (W. West) Krieger
426. Cosmarium phaseolus f. trinotatum ('trinotata') Schmidle
427. Cosmarium phaseolus var. typicum Klebs
428. Cosmarium philippinense Behre
429. Cosmarium pileatum Borge
430. Cosmarium pileatum var. brasiliense (Grönblad) Krieger & Gerloff
431. Cosmarium pileigerum Lagerheim
432. Cosmarium pileolatum Brebisson mss
433. Cosmarium pilgeri Schmidle
434. Cosmarium piriforme Nordstedt
435. Cosmarium pitense Schmidle
436. Cosmarium planctonicum Petkoff
437. Cosmarium planogranatum Croasdale
438. Cosmarium planogranatum f. minus Croasdale
439. Cosmarium planogranatum var. trihedrale Croasdale
440. Cosmarium planopapillosum Krieger
441. Cosmarium planum West & West
442. Cosmarium planum var. ocellatum Schmidle
443. Cosmarium platydesmium (Nordstedt) Nordstedt & Schmidle
444. Cosmarium platyisthmum Archer
445. Cosmarium playfairii Krieger & Gerloff
446. Cosmarium pleurotaeniforme Förster & Eckert
447. Cosmarium pleurotaeniforme var. simplex Hegde
448. Cosmarium plicatum P. Reinsch
449. Cosmarium plicatum f. decedens P. Reinsch
450. Cosmarium plicatum var. hibernicum W. West
451. Cosmarium plicatum f. majus P. Reinsch
452. Cosmarium plicatum f. minus P. Reinsch
453. Cosmarium plicatum var. scoticum Roy & Bisset
454. Cosmarium plicatum var. subcuneatum (Schmidle) Krieger & Gerloff
455. Cosmarium pluritumidum Schmidle
456. Cosmarium pluviale Brebisson in litt. cum icone
457. Cosmarium pluviale var. americanum Krieger & Gerloff
458. Cosmarium podlachiae Eichler & Gutwinski
459. Cosmarium pokornyanum (Grunow) W. & G.S. West
460. Cosmarium pokornyanum var. groenbladii Förster
461. Cosmarium pokornyanum f. maius Förster
462. Cosmarium pokornyanum var. minus K. Förster & Eckert
463. Cosmarium pokornyanum var. skujae Krieger & Gerloff
464. Cosmarium pokornyanum var. taylorii Grönblad
465. Cosmarium pokornyanum var. trigonum (Nordstedt) Krieger & Gerloff
466. Cosmarium polonicum Raciborski
467. Cosmarium polonicum var. alpinum Schmidle
468. Cosmarium polonicum var. intermedium Gutwinski
469. Cosmarium polonicum var. quadrigranulatum Gutwinski
470. Cosmarium polonicum f. bipunctatum Laporte
471. Cosmarium polonicum var. quadrinodosum Borge
472. Cosmarium polonicum var. supranotatum Messikommer
473. Cosmarium poluninii Whelden
474. Cosmarium polygonatum Halász
475. Cosmarium polygonum (Naegeli) Archer
476. Cosmarium polygonum var. acutius Messikommer
477. Cosmarium polygonum var. depressum Messikommer
478. Cosmarium polygonum var. exile W. West & G. S. West
479. Cosmarium polygonum var. hexagonum Grönblad
480. Cosmarium polygonum var. minus Hieronymus
481. Cosmarium polymorphum (Kützing) Meneghini
482. Cosmarium polymorphum Nordstedt
483. Cosmarium polymorphum var. africanum Bourrelly
484. Cosmarium polymorphum var. ornatum Grönblad
485. Cosmarium polymorphum subsp. paulense Børgesen
486. Cosmarium polystictum 'Nygaard'
487. Cosmarium porrectum Nordstedt
488. Cosmarium porteanum Archer
489. Cosmarium porteanum f. attenuatum ('attenuata') W.B. Turner
490. Cosmarium porteanum var. brasiliense Wille
491. Cosmarium porteanum var. calvum Schmidle
492. Cosmarium porteanum var. majus ('major') B.H. Smith
493. Cosmarium porteanum f. majus ('major') Milovanovic
494. Cosmarium porteanum var. majus Scott & Prescott
495. Cosmarium porteanum f. minus ('minor') [Hustedt]
496. Cosmarium porteanum var. minus ('minor') Huber-Pestalozzi
497. Cosmarium porteanum var. nephroideum Wittrock
498. Cosmarium porteanum var. orthostichum Schmidle
499. Cosmarium porteanum var. orthostichum Schmidle
500. Cosmarium porteanum var. palaeotropicum Skuja
501. Cosmarium portuense Sampaio
502. Cosmarium praecelsum W.B. Turner
503. Cosmarium praecisum Brebisson in herb.
504. Cosmarium praecisum Borge
505. Cosmarium praecisum var. suecicum (Borge) Krieger & Gerloff
506. Cosmarium praegrande Lundell
507. Cosmarium praegrande var. sphaericum (Bennett) Lagerheim
508. Cosmarium praegrandiforme Schmidle
509. Cosmarium praemorsiforme Gutwinski
510. Cosmarium praemorsum Brebisson
511. Cosmarium praemorsum var. bulbosum Schmidle
512. Cosmarium praemorsum var. gallicum Raciborski
513. Cosmarium praemorsum var. germanicum Raciborski
514. Cosmarium praemorsum f. minus ('minor') Irenee-Marie
515. Cosmarium praemorsum var. quadripunctatum Insam & Krieger
516. Cosmarium praemorsum var. scandinavicum Raciborski
517. Cosmarium praemorsum var. stelliferum Gutwinski
518. Cosmarium praemorsum var. stelliferum Gutwinski
519. Cosmarium prainii West & West
520. Cosmarium prescottii Suxena & Venkateswarlu
521. Cosmarium printzii Borge
522. Cosmarium prometopidion Skuja
523. Cosmarium prominens W.B. Turner
524. Cosmarium prominulum Raciborski
525. Cosmarium prominulum var. orientale Scott & Prescott
526. Cosmarium prominulum var. subundulatum West & West
527. Cosmarium prominulum f. bavaricum Kaiser
528. Cosmarium prominulum f. ornatum ('ornata') Lütkemüller
529. Cosmarium promentarium West & West
530. Cosmarium propinquum G.S. West
531. Cosmarium proteiforme W.B. Turner
532. Cosmarium proteiforme var. wallichii W.B. Turner
533. Cosmarium protomphalum Skuja
534. Cosmarium protomphalum var. angulare Prescott & Scott
535. Cosmarium protractulum Brühl & Biswas
536. Cosmarium protractum (Naegeli) Archer
537. Cosmarium protractum Brühl & Biswas
538. Cosmarium protractum f. basigranulatum Wade
539. Cosmarium protractum var. paraguayense Lemmermann
540. Cosmarium protractum var. schmidlei Grönblad
541. Cosmarium protuberans Lundell
542. Cosmarium protuberans var. centratum Skuja
543. Cosmarium protuberans f. elevatum ('elevata') Eichler & Raciborski
544. Cosmarium protuberans var. elevatum (Eichler & Raciborski) Krieger & Gerloff
545. Cosmarium protuberans f. glabrum Raciborski
546. Cosmarium protuberans var. granulatum Wolle
547. Cosmarium protuberans var. guyanense P. Bourrelly & A. Couté
548. Cosmarium protuberans var. minus ('minor') Schmidle
549. Cosmarium protuberans f. paludosum ('paludosa') West & West
550. Cosmarium protuberans var. paludosum (West & West) Krieger & Gerloff
551. Cosmarium protuberans var. scrobiculatum Capdevielle
552. Cosmarium protuberans var. skujae Grönblad
553. Cosmarium protuberans var. subgranulatum Raciborski
554. Cosmarium protuberans var. sumatranum Scott & Prescott
555. Cosmarium protuberans var. transiens Skuja
556. Cosmarium protumidum Nordstedt
557. Cosmarium protumidum f. ellipticum Nordstedt
558. Cosmarium protumidum f. evolutum Nordstedt
559. Cosmarium protumidum f. intermedium Nordstedt
560. Cosmarium protumidum Nordstedt
561. Cosmarium protumidum f. triquetrum Nordstedt
562. Cosmarium prowsei Grönblad & Scott
563. Cosmarium prowsei var. depauperatum Thomasson
564. Cosmarium pseudadoxum Jao
565. Cosmarium pseudoamoenum var. basilare Nordstedt
566. Cosmarium pseudoamoenum var. basilare Nordstedt
567. Cosmarium pseudoamoenum var. hunanicum Jao
568. Cosmarium pseudoamoenum var. inornatum (Joshua) Croasdale
569. Cosmarium pseudoamoenum f. minus K. Förster & Eckert
570. Cosmarium pseudanax Borge
571. Cosmarium pseudarctoides Strøm
572. Cosmarium pseudarctoum Nordstedt
573. Cosmarium pseudarctoum f. australe ('australis') (Raciborski) West & West
574. Cosmarium pseudarctoum var. colorum Hirano
575. Cosmarium pseudarctoum var. trigonum Borge
576. Cosmarium pseudatlanthoideum W. West
577. Cosmarium pseudisthmochondrum Wille
578. Cosmarium pseudisthmochondrum var. lithuanicum Woloszynska
579. Cosmarium pseudoamoenum Wille
580. Cosmarium pseudoamoenum var. carinthiacum ('carinthiaca') Schmidle
581. Cosmarium pseudoamoenum var. carniolicum ('carniolica') Schmidle
582. Cosmarium pseudoamoenum var. reductum Hinode
583. Cosmarium pseudoarmatum Scott & Prescott
584. Cosmarium pseudobaronii Woodhead & Tweed
585. Cosmarium pseudobicuneatum Jao
586. Cosmarium pseudobinerve Grönblad
587. Cosmarium pseudobioculatum Gutwinski
588. Cosmarium pseudobiremum Boldt
589. Cosmarium pseudobiremum var. hinganicum Noda & Skvortzov
590. Cosmarium pseudobiremum f. medioscrobiculatum J.A. Rino
591. Cosmarium pseudobiremum f. minus ('minor') Boldt
592. Cosmarium pseudobiremum var. punctatum Fritsch & Rich
593. Cosmarium pseudoblyttii Grönblad
594. Cosmarium pseudoboeckii Gutwinski
595. Cosmarium pseudoboeckii Gutwinski
596. Cosmarium pseudobotrytis var. majus Borge
597. Cosmarium pseudobotrytis var. minus ('minor') Gutwinski
598. Cosmarium pseudobotrytis f. pyrenaicum ('pyrenaica') Gay
599. Cosmarium pseudobroomei Wolle
600. Cosmarium pseudobroomei var. apertum Förster
601. Cosmarium pseudobroomei var. compressum G.S. West
602. Cosmarium pseudobroomei var. convexum West & West
603. Cosmarium pseudobroomei f. delpontii Homfeld
604. Cosmarium pseudobroomei var. elegans West & West
605. Cosmarium pseudobroomei var. madagascariense West & West
606. Cosmarium pseudocellatum Hirano
607. Cosmarium pseudoconnatum Nordstedt
608. Cosmarium pseudoconnatum var. attenuatum Förster & Eckert
609. Cosmarium pseudoconnatum var. borgei Förster
610. Cosmarium pseudoconnatum var. constrictum W. West
611. Cosmarium pseudoconnatum var. ellipsoideum West & West
612. Cosmarium pseudoconnatum var. latum Krieger & Gerloff
613. Cosmarium pseudoconnatum f. majus ('major') Wille
614. Cosmarium pseudoconnatum f. minus ('minor') U. C. Pandey & D. C. Pandey
615. Cosmarium pseudoconnatum var. ornatum V. Allorge & P. Allorge
616. Cosmarium pseudoconnatum var. pluriradians Scott & Grönblad
617. Cosmarium pseudoconnatum var. subconstrictum Jao
618. Cosmarium pseudoconnatum var. truncatum Fritsch
619. Cosmarium pseudocoronatum W.B. Turner
620. Cosmarium pseudocostatum Gutwinski
621. Cosmarium pseudocrenatum Gutwinski
622. Cosmarium pseudocucurbita Bourrelly
623. Cosmarium pseudodavidsonii Skuja
624. Cosmarium pseudodecoratum Schmidle
625. Cosmarium pseudoemarginatum Krieger & Gerloff
626. Cosmarium pseudoexiguum Raciborski
627. Cosmarium pseudoexiguum var. angustatum West & West
628. Cosmarium pseudoexiguum var. bigemmatum Grönblad
629. Cosmarium pseudoexiguum var. clausum Skuja
630. Cosmarium pseudoexiguum var. hexagonum Grönblad
631. Cosmarium pseudoexiguum var. quadratum Krieger
632. Cosmarium pseudoexiguum var. reniforme (Hirano) Krieger & Gerloff
633. Cosmarium pseudoexiguum var. retusum Hirano
634. Cosmarium pseudoexiguum var. subhexagonum Hinode
635. Cosmarium pseudofontigenum_('pseudo-fontigenum') Gutwinski
636. Cosmarium pseudogranatum Nordstedt
637. Cosmarium pseudogranatum f. majus ('major') Nordstedt
638. Cosmarium pseudogranatum f. medium ('media') Nordstedt
639. Cosmarium pseudogranatum f. minus ('minor') Nordstedt
640. Cosmarium pseudohammeri_('pseudo-hammeri') Noda & Skvortzov
641. Cosmarium pseudohexagonoides Brühl & Biswas
642. Cosmarium pseudohibernicum Lütkemüller
643. Cosmarium pseudoholmii Borge
644. Cosmarium pseudoholmii f. minus ('minor') Thomasson
645. Cosmarium pseudoholmii var. triquetrum Skuja
646. Cosmarium pseudoincrassatum P. Bourrelly & A. Couté
647. Cosmarium pseudoincrassatum var. brasiliense (K. Förster) P. Bourrelly & A. Couté
648. Cosmarium pseudokirchneri Borge
649. Cosmarium pseudomagnificum Hinode
650. Cosmarium pseudomagnificum f. brasiliense K. Förster & Eckert
651. Cosmarium pseudomargaritatum Noda & Skvortzov
652. Cosmarium pseudomargaritiferum Reinsch
653. Cosmarium pseudomargaritiferum f. minus_('minor') S. Peterfi
654. Cosmarium pseudomeneghinii Förster
655. Cosmarium pseudonitidulum Nordstedt
656. Cosmarium pseudonitidulum var. angustissimum Grönblad
657. Cosmarium pseudonitidulum var. levissimum ('levissima') Schmidle
658. Cosmarium pseudonitidulum var. majus Reinsch
659. Cosmarium pseudonitidulum var. majus Bernard
660. Cosmarium pseudonitidulum var. rotundatum Krieger & Gerloff
661. Cosmarium pseudonitidulum var. validum West & West
662. Cosmarium pseudonitidulum var. validum West & West
663. Cosmarium pseudooctangulare Grönblad
664. Cosmarium pseudooctangulare var. incrassatum Förster
665. Cosmarium pseudoorbiculatum J.A. Cushman
666. Cosmarium pseudoornatum Eichler & Gutwinski
667. Cosmarium pseudoornatum var. caucasicum Voronikhin
668. Cosmarium pseudoornatum var. uralense Woronichin
669. Cosmarium pseudopachydermum Nordstedt
670. Cosmarium pseudopachydermum Nordstedt
671. Cosmarium pseudopachydermum var. incrassatum F.E. Fritsch & Rich
672. Cosmarium pseudopectinoides Wolle
673. Cosmarium pseudocymatium Deflandre
674. Cosmarium pseudopericymatium Hinode
675. Cosmarium pseudophaseolus Brühl & Biswas
676. Cosmarium pseudophaseolus var. depressum Suxena & Venkateswarlu
677. Cosmarium pseudophaseolus var. tithophoroides (Krieger) Krieger & Gerloff
678. Cosmarium pseudopraemorsum Hodgetts
679. Cosmarium pseudopromentorium Grönblad
680. Cosmarium pseudoprotractum Claassen
681. Cosmarium pseudoprotuberans Kirchner
682. Cosmarium pseudoprotuberans var. alpinum Raciborski
683. Cosmarium pseudoprotuberans var. angulatum Krieger
684. Cosmarium pseudoprotuberans var. angustius Nordstedt
685. Cosmarium pseudoprotuberans var. angustius Nordstedt
686. Cosmarium pseudoprotuberans f. excavatum ('excavata') Krieger & Gerloff
687. Cosmarium pseudoprotuberans f. leopoliense Gutwinski
688. Cosmarium pseudoprotuberans var. australe Playfair
689. Cosmarium pseudoprotuberans var. boergesenii Grönblad
690. Cosmarium pseudoprotuberans var. borgei Insam & Krieger
691. Cosmarium pseudoprotuberans var. groenbladii Croasdale
692. Cosmarium pseudoprotuberans var. inapertum Messikommer
693. Cosmarium pseudoprotuberans var. kirchneri Raciborski
694. Cosmarium pseudoprotuberans var. kossinskajae Krieger & Gerloff
695. Cosmarium pseudoprotuberans f. minus Kosinskaya
696. Cosmarium pseudoprotuberans var. notatum Skuja
697. Cosmarium pseudoprotuberans var. pygmaeum Gutwinski
698. Cosmarium pseudoprotuberans var. retusiforme Fritsch & Rich
699. Cosmarium pseudoprotuberans var. saxonicum (Raciborski) Krieger & Gerloff
700. Cosmarium pseudoprotuberans var. trapezoadricum Printz
701. Cosmarium pseudoprotuberans var. trigonum Nordstedt
702. Cosmarium pseudoprotuberans var. tumidum Borge
703. Cosmarium pseudoprotuberans f. typicum ('typica') W.B. Turner
704. Cosmarium pseudopunctulatum Carlson
705. Cosmarium pseudopyramidatum Lundell
706. Cosmarium pseudopyramidatum var. abruptum Krieger & Gerloff
707. Cosmarium pseudopyramidatum f. amplum Beck-Mannagetta
708. Cosmarium pseudopyramidatum var. ansatum Krieger & Gerloff
709. Cosmarium pseudopyramidatum var. borgei Krieger & Gerloff
710. Cosmarium pseudopyramidatum var. carniolicum Lütkemüller
711. Cosmarium pseudopyramidatum f. carolinarum Schmidle
712. Cosmarium pseudopyramidatum var. carolinarum (Schmidle) Krieger & Gerloff
713. Cosmarium pseudopyramidatum var. crispulum Nordstedt
714. Cosmarium pseudopyramidatum f. excavatum ('excavata') Nordstedt
715. Cosmarium pseudopyramidatum var. excavatum (Nordstedt) Krieger & Gerloff
716. Cosmarium pseudopyramidatum var. extensum (Nordstedt) Krieger & Gerloff
717. Cosmarium pseudopyramidatum var. glabrum ('glabra') van Oye
718. Cosmarium pseudopyramidatum var. lentiferum W.R. Taylor
719. Cosmarium pseudopyramidatum Lundell
720. Cosmarium pseudopyramidatum subsp. maximum ('maxima') Børgesen
721. Cosmarium pseudopyramidatum [var.] maximum ('maxima') Børgesen
722. Cosmarium pseudopyramidatum f. minus ('minor') Fritsch & Rich
723. Cosmarium pseudopyramidatum f. minus ('minor') Wille
724. Cosmarium pseudopyramidatum var. nobile Skuja
725. Cosmarium pseudopyramidatum var. oculatum Krieger
726. Cosmarium pseudopyramidatum var. peixei Prescott
727. Cosmarium pseudopyramidatum var. rotundatum Hinode
728. Cosmarium pseudopyramidatum var. rotundatum Krieger & Gerloff
729. Cosmarium pseudopyramidatum subsp. stenonotum Nordstedt
730. Cosmarium pseudopyramidatum var. stenonotum (Nordstedt) W. West & G. S. West
731. Cosmarium pseudopyramidatum f. minus ('minor') Raciborski
732. Cosmarium pseudopyramidatum var. subtumidum Raciborski
733. Cosmarium pseudopyramidatum f. tuberculatum ('tuberculata') Prescott & Scott
734. Cosmarium pseudopyramidatum subrectangulare ('subrectangularis') W. West
735. Cosmarium pseudopyramidatum subsp. umbonulatum Nordstedt
736. Cosmarium pseudopyramidatum subsp. umbonulatum Nordstedt
737. Cosmarium pseudoquadratulum Prescott & Scott
738. Cosmarium pseudoquadratulum var. papillosum Förster
739. Cosmarium pseudoquadrifarium Cholnoky
740. Cosmarium pseudoquinarium Hirano
741. Cosmarium pseudoquinarium Hirano
742. Cosmarium pseudorectangulare Messikommer
743. Cosmarium pseudorectangulare var. incrassatum Förster
744. Cosmarium pseudoregnesii West & West
745. Cosmarium pseudoretusiforme Grönblad
746. Cosmarium pseudoretusum var. africanum (Fritsch) W. West & G. S. West
747. Cosmarium pseudoretusum var. inaequelipellicum (W. & W.) Krieger & Gerloff
748. Cosmarium pseudorthopunctatum West & West
749. Cosmarium pseudoscenedesmus West & West
750. Cosmarium pseudosexangulare Hodgetts
751. Cosmarium pseudospeciosum Raciborski
752. Cosmarium pseudospeciosum f. latius ('latior') Gutwinski
753. Cosmarium pseudostenonotum Eichler & Gutwinski
754. Cosmarium pseudosulcatum_('pseudo-sulcatum') Rich
755. Cosmarium pseudotaxichondrum Nordstedt
756. Cosmarium pseudotaxichondrum Eichler & Gutwinski
757. Cosmarium pseudotaxichondrum var. africanum W. West & G. S. West
758. Cosmarium pseudotaxichondrum var. ambadiense (Grönblad & A.M. Scott) Bourrelly
759. Cosmarium pseudotaxichondrum var. asymmetricum P. Bourrelly & A. Couté
760. Cosmarium pseudotaxichondrum var. atomicum Claassen
761. Cosmarium pseudotaxichondrum var. biverrucosum Borge
762. Cosmarium pseudotaxichondrum var. depressum Eichler & Gutwinski
763. Cosmarium pseudotaxichondrum var. distans Förster & Eckert
764. Cosmarium pseudotaxichondrum var. floridense W. West & G.S. West
765. Cosmarium pseudotaxichondrum var. foggii Taylor
766. Cosmarium pseudotaxichondrum var. hians Lagerheim
767. Cosmarium pseudotaxichondrum var. longii (Taylor) Scott
768. Cosmarium pseudotaxichondrum f. simplex Compère
769. Cosmarium pseudotaxichondrum var. pentachondrum Bourrelly
770. Cosmarium pseudotaxichondrum var. rotundatum Scott & Grönblad
771. Cosmarium pseudotaxichondrum var. scottii Förster
772. Cosmarium pseudotaxichondrum var. septentrionale W.R. Taylor
773. Cosmarium pseudotaxichondrum var. siamense W. West & G. S. West
774. Cosmarium pseudotaxichondrum f. denticulatum Scott & Prescott
775. Cosmarium pseudotaxichondrum subsp. trichondrum Lagerheim
776. Cosmarium pseudotaxichondrum var. quadridentulum Lagerheim
777. Cosmarium pseudotetrachondrum Woloszynska
778. Cosmarium pseudotinecense Grönblad
779. Cosmarium pseudotinecense var. faakense (Beck) Krieger & Gerloff
780. Cosmarium pseudotithophorum Woodhead & Tweed
781. Cosmarium pseudotaxichondrum var. paulense Borge
782. Cosmarium pseudotrachypleurum Noda & Skvortzov
783. Cosmarium pseudotriplicatum Scott & Grönblad
784. Cosmarium pseudovariolatum Grönblad
785. Cosmarium pseudoxanthidiforme Förster & Eckert
786. Cosmarium pterophorum West & West
787. Cosmarium ptilotum W.B. Turner
788. Cosmarium pulchellum W.B. Turner
789. Cosmarium pulchellum var. trapezium Grönblad
790. Cosmarium pulcherrimum Nordstedt
791. Cosmarium pulcherrimum var. boreale Nordstedt
792. Cosmarium pulcherrimum f. senegalense ('senegalensis') Nordstedt
793. Cosmarium pulcherrimum var. truncatum Gutwinski
794. Cosmarium pulcherrimum f. minus ('minor') Schmidle
795. Cosmarium pulvinatum West & West
796. Cosmarium pumilio Seckt
797. Cosmarium punctulatum Brebisson
798. Cosmarium punctulatum f. arcticum Croasdale
799. Cosmarium punctulatum var. asiaticum Skvortzov & Noda
800. Cosmarium punctulatum var. bidentulatum Wille
801. Cosmarium punctulatum subsp. brasiliense Nordstedt
802. Cosmarium punctulatum f. circulare ('circularis') Lewin
803. Cosmarium punctulatum var. creperiforme Schmidle
804. Cosmarium punctulatum var. danicum West
805. Cosmarium punctulatum var. depressum W.B. Turner
806. Cosmarium punctulatum var. elongatum Klebs
807. Cosmarium punctulatum var. granulusculum (Roy & Bisset) West & West
808. Cosmarium punctulatum var. klebsianum W.B. Turner
809. Cosmarium punctulatum f. malagense ('malagensis') M. Lewin
810. Cosmarium punctulatum var. mesoleium Raciborski
811. Cosmarium punctulatum var. ornatum ('ornata') Istvanffi
812. Cosmarium punctulatum var. ornatum ('ornata') Istvanffi
813. Cosmarium punctulatum var. perforatum Eichler & Gutwinski
814. Cosmarium punctulatum var. pindanum Skuja
815. Cosmarium punctulatum var. rhomboideum Raciborski
816. Cosmarium punctulatum var. rotundatum Klebs
817. Cosmarium punctulatum var. seriatum Krieger
818. Cosmarium punctulatum f. majus ('major') Huber-Pestalozzi
819. Cosmarium punctulatum f. minus ('minor') Huber-Pestalozzi
820. Cosmarium punctulatum f. minus ('minor') Hinode
821. Cosmarium punctulatum var. subrectangulare Messikommer, inval.
822. Cosmarium punctulatum var. subtilissimum Schmidle
823. Cosmarium punctulatum var. triquetrum Nordstedt
824. Cosmarium punctulatum var. typicum Klebs
825. Cosmarium punctulatum f. typicum ('typica') Schmidle
826. Cosmarium punctulatum f. welwitschii Woodhead & Tweed
827. Cosmarium punctulatum f. westianum Poljansky
828. Cosmarium pusillum (Brebisson) Archer
829. Cosmarium pusillum var. retusum W.B. Turner
830. Cosmarium pusillum f. intermedium ('intermedia') Gutwinski
831. Cosmarium pustulatum Förster
832. Cosmarium puteale W.B. Turner
833. Cosmarium puteale f. munitum ('munita') W.B. Turner
834. Cosmarium pycnochondrum Nordstedt
835. Cosmarium pygmaeum W. Archer
836. Cosmarium pygmaeum var. apertum Skuja
837. Cosmarium pygmaeum var. atumidum Grönblad
838. Cosmarium pygmaeum var. heimerlii (West & West) Krieger & Gerloff
839. Cosmarium pygmaeum var. perornatum Skuja
840. Cosmarium pygmaeum var. quadrimamillatum (W. & W.) Krieger
841. Cosmarium pygmaeum var. schliephackianum West
842. Cosmarium pyramidatum Brebisson in litt. cum icone 1846
843. Cosmarium pyramidatum subsp. abnorme Lütkemüller
844. Cosmarium pyramidatum var. alpinum Beck-Mannagetta
845. Cosmarium pyramidatum var. angustatum West & West
846. Cosmarium pyramidatum var. borgei Krieger & Gerloff
847. Cosmarium pyramidatum var. canadense Bourrelly
848. Cosmarium pyramidatum subsp. capense Nordstedt
849. Cosmarium pyramidatum f. carolinarum Schmidle
850. Cosmarium pyramidatum var. convexum Krieger & Gerloff
851. Cosmarium pyramidatum var. elongatum Claassen
852. Cosmarium pyramidatum f. excavatum ('excavata') Nordstedt
853. Cosmarium pyramidatum var. gypsorum Gutwinski
854. Cosmarium pyramidatum f. intermedium ('intermedia') Nordstedt
855. Cosmarium pyramidatum var. majus Claassen
856. Cosmarium pyramidatum f. maximum ('maxima') 'Borge'
857. Cosmarium pyramidatum var. maximum Krieger & Gerloff
858. Cosmarium pyramidatum var. minus ('minor') P. Reinsch
859. Cosmarium pyramidatum f. minus & Bicudo
860. Cosmarium pyramidatum f. minus ('minor') U. C. Pandey & D. C. Pandey
861. Cosmarium pyramidatum var. parallelum W. & G. S. West
862. Cosmarium pyramidatum var. pseudocucumis Klebs
863. Cosmarium pyramidatum var. rotundatum Hinode
864. Cosmarium pyramidatum var. stenonotum (Nordstedt) Klebs
865. Cosmarium pyramidatum f. stephanii ('stephani') Irenee-Marie
866. Cosmarium pyramidatum var. stephanii ('stephani') (Ire\*'ne\*'e-Marie) Krieger & Gerloff
867. Cosmarium pyramidatum var. subangustatum Scott & Grönblad
868. Cosmarium pyramidatum var. subgranatum Klebs
869. Cosmarium pyramidatum var. trapeziforme Förster
870. Cosmarium pyramidatum f. tropicum ('tropica') W. & G.S. West
871. Cosmarium pyramidatum f. typicum Klebs
872. Cosmarium pyriforme Nordstedt
873. Cosmarium pyriforme f. reductum Scott ex Croasdale
874. Cosmarium pyriforme var. subpyriforme (Lagerheim) Krieger & Gerloff
875. Cosmarium quadrangulare Corda
876. Cosmarium quadrangulatum Hantzsch
877. Cosmarium quadrangulatum Hantzsch
878. Cosmarium quadrans W.B. Turner
879. Cosmarium quadratulum var. applanatum Insam & Krieger
880. Cosmarium quadratulum var. boldtii (Messikommer) Krieger & Gerloff
881. Cosmarium quadratulum var. euastriforme Laporte
882. Cosmarium quadratulum f. javanicum ('javanica') Gutwinski
883. Cosmarium quadratulum var. latum_('lata') Irenee-Marie
884. Cosmarium quadratulum f. majus ('major') Gutwinski
885. Cosmarium quadratulum var. pseudoboldtii Ruzicka
886. Cosmarium quadratulum var. sublobatiforme Grönblad
887. Cosmarium quadratum Ralfs
888. Cosmarium quadratum Ralfs ex Ralfs
889. Cosmarium quadratum var. africanum Fritsch
890. Cosmarium quadratum var. angustatum West & West
891. Cosmarium quadratum f. boreale Croasdale
892. Cosmarium quadratum var. compressum Roubal
893. Cosmarium quadratum var. divergens Hirano
894. Cosmarium quadratum var. genuinum Kirchner
895. Cosmarium quadratum var. maius Lundell
896. Cosmarium quadratum f. majus ('major') Wille
897. Cosmarium quadratum f. majus ('major') Irenee-Marie
898. Cosmarium quadratum f. majus Halasz
899. Cosmarium quadratum var. minus Grunow in litt
900. Cosmarium quadratum f. tumidum Capdevielle
901. Cosmarium quadratum f. willei (Schmidle) West & West
902. Cosmarium quadratum f. punctatum ('punctata') Hodgetts
903. Cosmarium quadridentatum West & West
904. Cosmarium quadridentatum var. mamillatum Krieger
905. Cosmarium quadrifarium Lundell
906. Cosmarium quadrifarium var. brasiliense Wille
907. Cosmarium quadrifarium var. gemmulatum Maskell
908. Cosmarium quadrifarium f. hexastichum ('hexasticha') (Lundell) Nordstedt
909. Cosmarium quadrifarium f. majus ('major') Nordstedt
910. Cosmarium quadrifarium f. minus ('minor') Nordstedt
911. Cosmarium quadrifarium f. octastichum ('octasticha') (Nordstedt) Nordstedt
912. Cosmarium quadrifarium var. ornatum Krieger & Bourrelly
913. Cosmarium quadrifarium f. polystichum ('polysticha') (Boldt) West & West
914. Cosmarium quadrifarium var. quadridens Wei
915. Cosmarium quadrifarium f. rosaceum ('rosacea') Playfair
916. Cosmarium quadrifarium var. simplex Krieger
917. Cosmarium quadrifarium f. stellatum ('stellata') Gutwinski
918. Cosmarium quadrifarium var. taylorii Woodhead & Tweed
919. Cosmarium quadrifarium f. trifidum Prescott & Scott
920. Cosmarium quadrigemma Playfair
921. Cosmarium quadrilaterum Brühl & Biswas
922. Cosmarium quadrilobatum Therezien & Couté
923. Cosmarium quadrilobum Prescott & Scott
924. Cosmarium quadrimamillatum W. & G.S. West
925. Cosmarium quadrimamillatum var. angustum Cholnoky
926. Cosmarium quadripapillatum Scott & Grönblad
927. Cosmarium quadriverrucosum West & West
928. Cosmarium quadriverrucosum var. supraornatum Skuja
929. Cosmarium quadriverrucosum West & West
930. Cosmarium quadrogranulatum West & West
931. Cosmarium quadratulum var. tuberculatum Scott & Grönblad
932. Cosmarium quadrum Lundell
933. Cosmarium quadrum var. depressum Prescott
934. Cosmarium quadrum var. distentum Fritsch & Rich
935. Cosmarium quadrum f. johnsonii ('johnsoni') J.A. Cushman
936. Cosmarium quadrum var. madagascariense (West & West) W. West & G. S. West
937. Cosmarium quadrum var. minus Nordstedt
938. Cosmarium quadrum f. punctatum Croasdale
939. Cosmarium quadrum var. samoense Schmidle
940. Cosmarium quadrum var. sublatum (Nordstedt) West & West
941. Cosmarium quadrum f. dilatatum Scott & Grönblad
942. Cosmarium qualum (Turner) Biswas
943. Cosmarium quasillus Lundell
944. Cosmarium quasillus var. alpinum Schmidle
945. Cosmarium quasillus f. triquetrum ('triquetra') N. Carter
946. Cosmarium quasillus var. calvum Kaiser
947. Cosmarium quasillus var. depressum ('depressa') Raciborski
948. Cosmarium quasillus f. devonense Croasdale
949. Cosmarium quasillus f. minus ('minor') Gutwinski
950. Cosmarium quasillus f. minus ('minor') [Borge]
951. Cosmarium quasillus f. quadriferum ('quadrifera') Jacobsen
952. Cosmarium quasillus var. bicrenatum ('bicrenata') Jacobsen
953. Cosmarium quasillus var. polycrenatum ('polycrenata') Jacobsen
954. Cosmarium quasillus var. tricrenatum ('tricrenata') Jacobsen
955. Cosmarium quaternarium Nordstedt
956. Cosmarium quaternarium var. tumefactum Nordstedt
957. Cosmarium quaternarium var. tumefactum Nordstedt
958. Cosmarium quimbyii H.C. Wood
959. Cosmarium quinarium Lundell
960. Cosmarium quinarium var. acutius Förster
961. Cosmarium quinarium f. alaskanum Croasdale
962. Cosmarium quinarium var. brasiliense Förster & Eckert
963. Cosmarium quinarium var. circulare Nordstedt
964. Cosmarium quinarium f. granulatum ('granulata') Schmidle
965. Cosmarium quinarium var. granulosum Prescott
966. Cosmarium quinarium var. hexagonum Hughes
967. Cosmarium quinarium f. irregulare ('irregularis') Nordstedt
968. Cosmarium quinarium var. pictum Skuja
969. Cosmarium raciborskianum De Toni
970. Cosmarium raciborskii Lagerheim
971. Cosmarium radiatum Lobb
972. Cosmarium radiosum Wolle
973. Cosmarium raeticum Messikommer
974. Cosmarium ralfsii Brebisson in litt. cum icone 1846
975. Cosmarium ralfsii f. alpinum Raciborski
976. Cosmarium ralfsii var. angulosum ('angulosa') Raciborski
977. Cosmarium ralfsii var. azoricum Bohlin
978. Cosmarium ralfsii var. depressum ('depressa') Istvanffi
979. Cosmarium ralfsii f. depressum ('depressa') Istvanffi
980. Cosmarium ralfsii var. elegans Kufferath
981. Cosmarium ralfsii f. montanum Raciborski
982. Cosmarium ralfsii var. montanum Allorge & Manguin {nomen}
983. Cosmarium ralfsii var. perforatum (Lundell) Klebs
984. Cosmarium ralfsii var. rotundatum W. West
985. Cosmarium ralfsii var. skvortzovii C. Bicudo
986. Cosmarium ralfsii var. spinigerum Scott & Grönblad
987. Cosmarium ralfsii var. taylorii Krieger & Gerloff
988. Cosmarium ralfsii var. typicum Klebs
989. Cosmarium ralfsii var. typicum ('typica') Raciborski
990. Cosmarium raneegungense W.B. Turner
991. Cosmarium rectangulare var. africanum W. West & G. S. West
992. Cosmarium rectangulare var. altius Playfair
993. Cosmarium rectangulare var. angustius (Nordstedt) Playfair
994. Cosmarium rectangulare f. minus ('minor') Playfair
995. Cosmarium rectangulare var. australe Playfair
996. Cosmarium rectangulare f. multigranulatum Prescott & Scott
997. Cosmarium rectangulare var. biretum Playfair
998. Cosmarium rectangulare f. angustius ('angustior') Playfair
999. Cosmarium rectangulare f. rectilineare ('rectilinearis') Playfair
1000. Cosmarium rectangulare var. boldtii Playfair
1001. Cosmarium rectangulare f. minus ('minor') Playfair
1002. Cosmarium rectangulare var. cambrense (Turner) W. West & G. S. West
1003. Cosmarium rectangulare f. minus ('minor') Manguin
1004. Cosmarium rectangulare var. croasdaleae Förster
1005. Cosmarium rectangulare var. cyclopeum (Playfair) Playfair
1006. Cosmarium rectangulare var. dentatum Playfair
1007. Cosmarium rectangulare var. eichlerianum Grönblad
1008. Cosmarium rectangulare var. finmarkiae Playfair
1009. Cosmarium rectangulare var. hexagonum (Elfv.) West & West
1010. Cosmarium rectangulare f. majus ('major') Playfair
1011. Cosmarium rectangulare var. incrassatum Jao
1012. Cosmarium rectangulare var. koreanum ('koreana') Skvortzov
1013. Cosmarium rectangulare var. minus (Wille) Playfair
1014. Cosmarium rectangulare f. minus ('minor') Manguin
1015. Cosmarium rectangulare var. nodulatum Playfair
1016. Cosmarium rectangulare f. minus ('minor') Playfair
1017. Cosmarium rectangulare var. notatum Playfair
1018. Cosmarium rectangulare var. ocellatum Playfair
1019. Cosmarium rectangulare var. papillatum Playfair
1020. Cosmarium rectangulare var. patereforme Playfair
1021. Cosmarium rectangulare var. quadrigeminatum Playfair
1022. Cosmarium rectangulare f. latius ('latior') Playfair
1023. Cosmarium rectangulare var. reniforme Playfair
1024. Cosmarium rectangulare var. repandum (Nordstedt) Playfair
1025. Cosmarium rectangulare var. rotundatum Playfair
1026. Cosmarium rectangulare var. saxonicum (Raciborski) Playfair
1027. Cosmarium rectangulare var. saxonicum (Raciborski) Ruzicka {supplanted}
1028. Cosmarium rectangulare var. sexangulare (Lundell) Playfair
1029. Cosmarium rectangulare f. senile ('senilis') Playfair
1030. Cosmarium rectangulare var. subhexagonum Playfair
1031. Cosmarium rectangulare f. granulatum Prescott & Scott
1032. Cosmarium rectangulare var. subrectangulare Krieger & Gerloff
1033. Cosmarium rectangulare var. subreniforme Playfair
1034. Cosmarium rectangulare var. sulcatum (Nordstedt) Playfair
1035. Cosmarium rectangulum Reinsch
1036. Cosmarium rectangulum Schmidle
1037. Cosmarium rectangulum var. polonicum (Eichler & Gutwinski) Krieger & Gerloff
1038. Cosmarium rectimarginatum Scott & Grönblad
1039. Cosmarium rectinatum Skvortzov & Noda
1040. Cosmarium rectosporum W.B. Turner
1041. Cosmarium redimitum Borge
1042. Cosmarium refringens Taylor
1043. Cosmarium refringens var. majus ('major') Irenee-Marie
1044. Cosmarium refringens f. majus ('major') Irenee-Marie
1045. Cosmarium refringens var. minus ('minor') Irenee-Marie
1046. Cosmarium refringens var. subcoliferum (Grönblad) Krieger & Gerloff
1047. Cosmarium regelianum (Naegeli) Brebisson
1048. Cosmarium regnellii Wille
1049. Cosmarium regnellii var. altum Hinode
1050. Cosmarium regnellii f. basigranulatum Magnotta
1051. Cosmarium regnellii var. basigranulatum (Magnotta) Krieger & Gerloff
1052. Cosmarium regnellii f. catenatum ('catenata') Krieger
1053. Cosmarium regnellii var. catenatum (Krieger) Krieger & Gerloff
1054. Cosmarium regnellii var. chondrophorum Skuja
1055. Cosmarium regnellii f. minus Grönblad
1056. Cosmarium regnellii var. dilatatum (Messikommer) Krieger & Gerloff
1057. Cosmarium regnellii var. kerguelense Krieger & Gerloff
1058. Cosmarium regnellii var. madagascariense West & West
1059. Cosmarium regnellii var. majus ('major') W.B. Turner
1060. Cosmarium regnellii var. minimum Eichler & Gutwinski
1061. Cosmarium regnellii f. minimum ('minima') Viret
1062. Cosmarium regnellii f. minus ('minor') Boldt
1063. Cosmarium regnellii var. minus ('minor') W.B. Turner
1064. Cosmarium regnellii var. muzzanense Huber-Pestalozzi
1065. Cosmarium regnellii var. pseudoregnellii (Messikommer) Krieger
1066. Cosmarium regnellii f. angustum Bongale
1067. Cosmarium regnellii var. rectangulare Ducellier
1068. Cosmarium regnesi Reinsch
1069. Cosmarium regnesi var. minimum Bernard
1070. Cosmarium regnesi var. montanum Schmidle
1071. Cosmarium regnesi var. ornatum Maskell
1072. Cosmarium regnesi var. polonicum (Eichler & Gutwinski) Compère
1073. Cosmarium regnesi var. productum West & West
1074. Cosmarium regnesi var. pseudoregnesii (West & West) Borge
1075. Cosmarium regnesi var. sibiricum (Boldt) Schmidle
1076. Cosmarium regnesi var. subornatum Voronikhin
1077. Cosmarium regnesi var. tritum W. West
1078. Cosmarium regulare Schmidle
1079. Cosmarium regulare f. minus ('minor') W. West & G. S. West
1080. Cosmarium regulare var. strabo (Brühl & Biswas) Krieger & Gerloff
1081. Cosmarium rehmanii (Gutwinski) Krieger & Gerloff
1082. Cosmarium reinschianum De Toni
1083. Cosmarium reinschii Archer
1084. Cosmarium reinschii Schaarschmidt
1085. Cosmarium reinschii var. eboracense West & G.S. West
1086. Cosmarium reinschii var. hansgirgianum (Schmidle) Krieger & Gerloff
1087. Cosmarium reniforme var. alaskanum Croasdale
1088. Cosmarium reniforme var. apertum West & West
1089. Cosmarium reniforme var. compressum Nordstedt
1090. Cosmarium reniforme var. compressum Nordstedt
1091. Cosmarium reniforme var. elevatum W. West & G. S. West
1092. Cosmarium reniforme var. laeve Irenee-Marie
1093. Cosmarium reniforme var. luetkemuelleri Skuja
1094. Cosmarium reniforme f. majus ('major') Irenee-Marie
1095. Cosmarium reniforme f. minus ('minor') P. Schulz
1096. Cosmarium reniforme var. minus ('minor') Irenee-Marie
1097. Cosmarium reniforme var. minus ('minor') Irenee-Marie
1098. Cosmarium reniforme f. parvum Peterfi
1099. Cosmarium reniforme var. retusum Schmidle
1100. Cosmarium reniforme var. seminudum Taft
1101. Cosmarium repandum Nordstedt
1102. Cosmarium repandum Nordstedt
1103. Cosmarium repandum var. acuminatum Jao
1104. Cosmarium repandum var. africanum Krieger & Gerloff
1105. Cosmarium repandum var. dorsipunctatum W.R. Taylor
1106. Cosmarium repandum f. minus ('minor') W. West & G. S. West
1107. Cosmarium repandum var. minus (West & West) Krieger & Gerloff
1108. Cosmarium repandum var. papillatum D.B. Williamson
1109. Cosmarium repandum var. pygmaeum (Gutwinski) Krieger & Gerloff
1110. Cosmarium repandum var. retusum Printz
1111. Cosmarium retusiforme (Wille) Gutwinski
1112. Cosmarium retusiforme var. abscissum (Schmidle) Krieger
1113. Cosmarium retusiforme var. acutum (Turner) Krieger & Gerloff
1114. Cosmarium retusiforme var. africanum (Fritsch) Compère
1115. Cosmarium retusiforme var. alpinum Schmidle
1116. Cosmarium retusiforme var. crassum Förster & Eckert
1117. Cosmarium retusiforme var. elevatum Insam & Krieger
1118. Cosmarium retusiforme var. inaequelipellicum (West & West) Schmidle
1119. Cosmarium retusiforme var. inaequelipellicum (W. & G.S. West) Margalef {supplanted}
1120. Cosmarium retusiforme var. incrassatum Gutwinski
1121. Cosmarium retusiforme f. majus Gutwinski
1122. Cosmarium retusiforme f. majus ('major') Gutwinski
1123. Cosmarium retusiforme var. majus Hinode
1124. Cosmarium retusiforme f. minus Gaidukov
1125. Cosmarium retusiforme var. morzinense Laporte
1126. Cosmarium retusiforme f. scrobiculatum ('scrobiculata') Schmidle
1127. Cosmarium retusiforme var. scrobiculatum (Schmidle) Krieger & Gerloff
1128. Cosmarium retusum (Perty) Rabenhorst
1129. Cosmarium retusum var. angustatum (West) West & West
1130. Cosmarium retusum var. coronatum Ruzicka
1131. Cosmarium retusum var. inaequalipellicum (West & West) West & West
1132. Cosmarium retusum var. leave Roy & Bisset
1133. Cosmarium retusum var. manschuricum Skvortzov
1134. Cosmarium retusum f. minus ('minor') Lundell
1135. Cosmarium retusum f. minus [Dick]
1136. Cosmarium retusum var. quebecense Irenee-Marie
1137. Cosmarium retusum var. rectangulare Irenee-Marie
1138. Cosmarium retusum var. vagens Nordstedt
1139. Cosmarium rhombusoides Wolle
1140. Cosmarium richianum Compère
1141. Cosmarium richianum var. reductum (Fritsch & Rich) Compère
1142. Cosmarium rosaceum Viret
1143. Cosmarium rosaceum Viret
1144. Cosmarium rosae Ruzicka
1145. Cosmarium rostafinskii Gutwinski
1146. Cosmarium rostafinskii var. americanum W. West
1147. Cosmarium rostafinskii f. minus ('minor') Gutwinski
1148. Cosmarium rostafinskii f. minus ('minor') Gutwinski
1149. Cosmarium rostellum West & West
1150. Cosmarium rostellum f. minus ('minor') West & West
1151. Cosmarium rostratum Turner
1152. Cosmarium rota (Ehrenberg) Corda
1153. Cosmarium rotundatum Roy & Bisset mss
1154. Cosmarium rotundum W.B. Turner
1155. Cosmarium rotundum Prescott & Scott
1156. Cosmarium rufescens (Cleve) Lütkemüller
1157. Cosmarium rugosum W.B. Turner
1158. Cosmarium rugulosum Messikommer
1159. Cosmarium rugulosum var. proteus Ruzicka
1160. Cosmarium rugulosum var. pseudomicrosphinctum Ruzicka
1161. Cosmarium rupestre (Naegeli) Archer
1162. Cosmarium rupestre Naegeli ex Kützing
1163. Cosmarium ruttneri Krieger
1164. Cosmarium ryukyuense Okada
1165. Cosmarium sacculiferum Hinode
1166. Cosmarium sakatoanum Hirano
1167. Cosmarium salisburyi ('salisburii') Fritsch & Rich
1168. Cosmarium sansibarense Hieronymus
1169. Cosmarium santamartense W.R. Taylor
1170. Cosmarium saxicola ('saxicolum') Kaiser
1171. Cosmarium saxicola var. majus Kosinskaya
1172. Cosmarium scabratulum West & West
1173. Cosmarium scabrolatum W.B. Turner
1174. Cosmarium scabrum W.B. Turner
1175. Cosmarium scabrum West & West
1176. Cosmarium scalare W.B. Turner
1177. Cosmarium scenedesmus Delponte
1178. Cosmarium scenedesmus var. dorsitruncatum Nordstedt
1179. Cosmarium scenedesmus var. dorsitruncatum Nordstedt
1180. Cosmarium scenedesmus f. minus ('minor') Thomasson
1181. Cosmarium scenedesmus var. intermedium Gutwinski
1182. Cosmarium scenedesmus f. glabrum ('glabra') Schmidle
1183. Cosmarium scenedesmus f. punctatum ('punctata') W. West
1184. Cosmarium scenedesmus var. punctatum W.B. Turner
1185. Cosmarium schirschowii Kosinskaya
1186. Cosmarium schliephackeanum Grunow ex Rabenhorst
1187. Cosmarium schliephackeanum f. spetsbergense ('spetsbergensis') Nordstedt
1188. Cosmarium schmidtii W. West & G. S. West
1189. Cosmarium schneideri Gutwinski
1190. Cosmarium schomburgkii Borge
1191. Cosmarium schroederi Grönblad
1192. Cosmarium schroeteri Huber-Pestalozzi
1193. Cosmarium schuebeleri_('schuebelerii') Wille
1194. Cosmarium schweickerdtii Claassen
1195. Cosmarium scissum Brühl & Biswas
1196. Cosmarium scitum W. West & G. S. West
1197. Cosmarium scoticum West & West
1198. Cosmarium scottii Croasdale
1199. Cosmarium scottii f. minus Croasdale
1200. Cosmarium scrobiculatum Fritsch & Rich
1201. Cosmarium scrobiculosum Borge
1202. Cosmarium scopulorum Borge
1203. Cosmarium sculptum Eichler & Gutwinski
1204. Cosmarium sculptum West & West mss.
1205. Cosmarium securiforme Borge
1206. Cosmarium securiforme var. brasiliense Grönblad
1207. Cosmarium seelyanum Wolle
1208. Cosmarium seelyanum var. elegans Playfair
1209. Cosmarium sejunctum Wolle
1210. Cosmarium sejunctum var. japonicum (Hirano) Krieger & Gerloff
1211. Cosmarium sendtneri Reinsch
1212. Cosmarium septenarium Eichler & Gutwinski
1213. Cosmarium septentrionale H. Croasdale
1214. Cosmarium serratum W.B. Turner
1215. Cosmarium sexangulare Lundell
1216. Cosmarium sexangulare var. bengalense W.B. Turner
1217. Cosmarium sexangulare f. minimum ('minima') Nordstedt
1218. Cosmarium sexangulare f. minimum ('minima') Nordstedt
1219. Cosmarium sexangulare var. minus ('minor') Roy & Bisset
1220. Cosmarium sexangulare var. minus Roy & Bisset
1221. Cosmarium sexangulare f. minutissimum Fritsch & Rich
1222. Cosmarium sexangulare var. reinschii Gutwinski
1223. Cosmarium sexangulare var. reinschii Gutwinski
1224. Cosmarium sexangulare var. rotundatum Grönblad
1225. Cosmarium sexangulare var. subangulare Fritsch
1226. Cosmarium sexlaterum Brühl & Biswas
1227. Cosmarium sexnotatum Gutwinski
1228. Cosmarium sexnotatum Gutwinski
1229. Cosmarium sexnotatum f. bipunctatum
1230. Cosmarium sexnotatum var. bipunctatum (Woloszynska) P.F.M. Coesel
1231. Cosmarium sexnotatum var. denotatum Grönblad
1232. Cosmarium sexnotatum var. duplum Skuja
1233. Cosmarium sexnotatum var. simplex Claassen
1234. Cosmarium sexnotatum var. subtriomphalum Schmidle
1235. Cosmarium sexnotatum var. triomphalum Gutwinski
1236. Cosmarium sexnotatum var. tristriatum (Lütkemüller) Schmidle
1237. Cosmarium sexnotatum f. rotundatum ('rotundata') Schmidle
1238. Cosmarium sexpapillosum Thompson
1239. Cosmarium sexpunctatum Krieger mscr.
1240. Cosmarium sexscrobiculatum Grönblad
1241. Cosmarium sierra-leonense Woodhead & Tweed
1242. Cosmarium sigillatum W.B. Turner
1243. Cosmarium sikhimense W.B. Turner
1244. Cosmarium silesiacum Gutwinski
1245. Cosmarium silesiacum var. majus ('major') Gutwinski
1246. Cosmarium silesiacum var. minus ('minor') Gutwinski
1247. Cosmarium simii Roy & Bisset
1248. Cosmarium simililatum Roy & Bisset mss.
1249. Cosmarium simpliciforme (Fritsch) Krieger & Gerloff
1250. Cosmarium simplicius (W. West & G. S. West) Grönblad
1251. Cosmarium simplicius var. ireneemariei_('irenemarii') Lacoste de Diaz
1252. Cosmarium simplicius var. subsimplex (Grönblad) Bourrelly
1253. Cosmarium simplicius var. tulense Yacubson
1254. Cosmarium simulum Borge
1255. Cosmarium sincerum O. Borge
1256. Cosmarium singaporense Bernard
1257. Cosmarium sinostegos var. denticulatum Compère
1258. Cosmarium sinostegos var. granulatum Croasdale
1259. Cosmarium sinostegos var. obtusius Gutwinski
1260. Cosmarium sinostegos f. papillatum ('papillata') Krieger
1261. Cosmarium sinostegos var. papillatum ('papillata') (Krieger) Krieger & Gerloff
1262. Cosmarium sinuosum Lundell
1263. Cosmarium sinuosum var. decedens (Reinsch) Nordstedt
1264. Cosmarium skujae Krieger & Gerloff
1265. Cosmarium smithii Hughes
1266. Cosmarium smolandicum Lundell
1267. Cosmarium smolandicum var. angulosum Kirchner
1268. Cosmarium smolandicum var. angustatum (West) West & West
1269. Cosmarium smolandicum var. genuinum Kirchner
1270. Cosmarium smolandicum var. maius Cholnoky
1271. Cosmarium smolandicum f. minus ('minor') Messikommer
1272. Cosmarium smolandicum var. quadrimamillatum Cedergren
1273. Cosmarium sniatyniense Gutwinski
1274. Cosmarium sniatyniense var. sydneyense ('sydneyensis') Raciborski
1275. Cosmarium solidum Nordstedt
1276. Cosmarium solidum Nordstedt
1277. Cosmarium solidum var. triquetrum (Nordstedt) Grönblad
1278. Cosmarium sparsepunctatum (Schmidle) Krieger & Gerloff
1279. Cosmarium sparsum W.B. Turner
1280. Cosmarium sparsum var. arthrodesmiforme Förster & Eckert
1281. Cosmarium spechtii Scott & Prescott
1282. Cosmarium speciosissimum Schmidle
1283. Cosmarium speciosissimum var. arcticum Hirano
1284. Cosmarium speciosum Lundell
1285. Cosmarium speciosum var. australianum Nordstedt
1286. Cosmarium speciosum var. australianum Nordstedt
1287. Cosmarium speciosum var. biforme Nordstedt
1288. Cosmarium speciosum f. minus ('minor') Boldt
1289. Cosmarium speciosum var. difficile ('difficilis') Raciborski
1290. Cosmarium speciosum f. genuinum ('genuina') Maskell
1291. Cosmarium speciosum var. incrassatum Insam & Krieger
1292. Cosmarium speciosum var. inflatum Maskell
1293. Cosmarium speciosum var. lapponicum Nordstedt
1294. Cosmarium speciosum var. latius Insam & Krieger
1295. Cosmarium speciosum subsp. meridionale Carlson
1296. Cosmarium speciosum var. myakkense Scott & Grönblad
1297. Cosmarium speciosum f. obsoletum Messikommer
1298. Cosmarium speciosum f. obsoletum ('obsoleta') Messikommer
1299. Cosmarium speciosum var. ornatum Istvanffi
1300. Cosmarium speciosum var. rectangulare Borge
1301. Cosmarium speciosum var. reductum Huber-Pestalozzi
1302. Cosmarium speciosum var. rossicum Borge
1303. Cosmarium speciosum var. rostafinskii (Gutwinski) West & West
1304. Cosmarium speciosum f. americanum ('americana') (W. West & G. S. West) W. West & G. S. West
1305. Cosmarium speciosum f. minus Croasdale
1306. Cosmarium speciosum var. simplex Nordstedt
1307. Cosmarium speciosum f. africanum Claassen
1308. Cosmarium speciosum f. intermedium ('intermedia') Wille
1309. Cosmarium speciosum f. latius Gro\*:nblad
1310. Cosmarium speciosum f. minus ('minor') Wille
1311. Cosmarium speciosum var. slovenicum Pevalek
1312. Cosmarium speciosum var. tibeticum Wei
1313. Cosmarium spectabile De Notaris
1314. Cosmarium spetsbergense Nordstedt
1315. Cosmarium sphaeroideum W. West
1316. Cosmarium sphaerosporum var. strigosum Nordstedt
1317. Cosmarium sphagnicola ('sphagnicolum') West & West
1318. Cosmarium sphagnicola var. armatum Krieger & Gerloff
1319. Cosmarium sphagnicola var. incisum Grönblad
1320. Cosmarium sphagnicola f. minus ('minor') Strøm
1321. Cosmarium sphagnicola var. pachygonum Skuja
1322. Cosmarium sphalerostichum Nordstedt
1323. Cosmarium sphalerostichum f. bituberculatum K. Förster
1324. Cosmarium sphalerostichum var. brasiliense Wille
1325. Cosmarium sphalerostichum f. majus ('major') Strøm
1326. Cosmarium sphalerostichum f. rotundatum Therezien
1327. Cosmarium sphericum Bennett
1328. Cosmarium sphyrelatum P.F.M. Coesel
1329. Cosmarium spiculatum Bernard
1330. Cosmarium spiculiferum W.B. Turner
1331. Cosmarium spinosporum Lagerheim
1332. Cosmarium spinosum W. Joshua
1333. Cosmarium spinuliferum West & West
1334. Cosmarium spinuliferum var. irregulare Scott & Grönblad
1335. Cosmarium spinuliferum var. majus ('major') Bongale
1336. Cosmarium spinuliferum var. rectangulare Bongale
1337. Cosmarium spinuliferum var. rotundatum Skuja
1338. Cosmarium spinuliferum var. subcirculare Bongale
1339. Cosmarium spinulosum Bernard
1340. Cosmarium spirale (Playfair) Krieger & Gerloff
1341. Cosmarium splendidum Borge
1342. Cosmarium spora Skuja
1343. Cosmarium sportella Brebisson ex Ralfs
1344. Cosmarium sportella Brebisson ex Kützing
1345. Cosmarium sportella var. corbulum ('corbula') Brebisson
1346. Cosmarium sportella var. perornatum Therezien & Couté
1347. Cosmarium sportella var. simplex Fritsch
1348. Cosmarium sportella var. subnudum West & West
1349. Cosmarium sportella var. typicum [Ducellier]
1350. Cosmarium spyridion West & West
1351. Cosmarium spyridion var. subangulatum Jao
1352. Cosmarium stagnale J. Sampaio
1353. Cosmarium stansfieldii Woodhead & Tweed
1354. Cosmarium stappersii f. triquetrum Gauthier-Lievre
1355. Cosmarium staurastriforme Gutwinski
1356. Cosmarium staurastroides Eichler & Gutwinski
1357. Cosmarium staurastroides var. amazonense Förster
1358. Cosmarium staurastroides var. angulatum Therezien
1359. Cosmarium staurastroides var. brasiliense Krieger & Gerloff
1360. Cosmarium staurastroides var. porosum Scott & Prescott
1361. Cosmarium staurastroides var. subconvexum Messikommer
1362. Cosmarium staurastroides f. trigonum ('trigona') Messikommer
1363. Cosmarium staurochondrum Lemaire
1364. Cosmarium staurochondrum var. orientale W.B. Turner
1365. Cosmarium stefanssonii Lowe
1366. Cosmarium stenonotum var. spirale Playfair
1367. Cosmarium stephensii Rich
1368. Cosmarium stephensii var. minus ('minor') Bourrelly
1369. Cosmarium stephensii f. minus Grönblad & Scott
1370. Cosmarium stichochondrum Lagerheim
1371. Cosmarium stigmosum (Nordstedt) W.B. Turner
1372. Cosmarium stigmosum f. minus_('minor') Bourrelly
1373. Cosmarium strabo Brühl & Biswas
1374. Cosmarium strabo Scott & Grönblad
1375. Cosmarium streblon Scott & Grönblad
1376. Cosmarium striatigranulatum Schmidle
1377. Cosmarium striatum Boldt
1378. Cosmarium striatum var. galiciense Gutwinski
1379. Cosmarium striatum var. glabratum Raciborski
1380. Cosmarium striatum var. hexalobum Schmidle
1381. Cosmarium striatum f. indicum ('indica') W.B. Turner
1382. Cosmarium striolatum (Naegeli) Archer
1383. Cosmarium striolatum f. intermedium ('intermedia') Krieger
1384. Cosmarium striolatum var. minus Hirano
1385. Cosmarium strongylon Scott & Prescott
1386. Cosmarium strugense Petkoff
1387. Cosmarium strzeleckii_('Strzelecki') Raciborski
1388. Cosmarium stuhlmannii Hieronymus
1389. Cosmarium subacutangulum Grönblad
1390. Cosmarium subadoxum Grönblad
1391. Cosmarium subadoxum var. dentatum Sieminska
1392. Cosmarium subaequale G.S. West
1393. Cosmarium subalatum West & West
1394. Cosmarium subalatum var. suboblongum (West & West) W. West & G. S. West
1395. Cosmarium subarctoum var. australe ('australis') Raciborski
1396. Cosmarium subarctoum var. latum Nygaard
1397. Cosmarium subarctoum var. minutissimum G.S. West
1398. Cosmarium subarctoum f. punctatum ('punctata') West & West
1399. Cosmarium subarctoum var. punctatum (W. West & G. S. West) Krieger & Gerloff
1400. Cosmarium subarctoum var. skujae (Grönblad) Krieger & Gerloff
1401. Cosmarium subarctoum f. trigonum ('trigona') Messikommer
1402. Cosmarium subarctoum var. trigonum (Messikommer) Krieger & Gerloff
1403. Cosmarium subarnellii Grönblad mss.
1404. Cosmarium subauriculatum West & West
1405. Cosmarium subauriculatum var. bogoriense (Bernard) Bourrelly
1406. Cosmarium subauriculatum var. duplo-majus ('duplo-major') Woodhead & Tweed
1407. Cosmarium subauriculatum var. kwangsiense Jao
1408. Cosmarium subauriculatum var. truncatum West & West
1409. Cosmarium subversum Borge
1410. Cosmarium subbalteum Schmidle
1411. Cosmarium subbalteum f. minus ('minor') N. Carter
1412. Cosmarium subbengalense Grönblad
1413. Cosmarium subbinale var. abyssinicum Lagerheim
1414. Cosmarium subbinale var. euastroideum Playfair
1415. Cosmarium subbinale f. minus ('minor') Schmidle
1416. Cosmarium subbireme Gutwinski
1417. Cosmarium subbotrytis Schmidle
1418. Cosmarium subbroomei Schmidle
1419. Cosmarium subbroomei f. isthmochondrum P.F.M. Coesel
1420. Cosmarium subbroomei f. pseudo-conspersum Fritsch
1421. Cosmarium subbroomei var. pseudo-pearsonii ('pseudo-pearsoni') Fritsch
1422. Cosmarium subbroomei f. pseudo-quadrum Fritsch
1423. Cosmarium subbroomei var. retusum Eichler & Gutwinski
1424. Cosmarium subbroomei var. taylorii Croasdale
1425. Cosmarium subcapitulum W. West
1426. Cosmarium subcapitulum var. madagascariense (West & West) Krieger & Gerloff
1427. Cosmarium subcapitulum f. minus Taylor
1428. Cosmarium subceratophorum Grönblad
1429. Cosmarium subceratophroides Förster & Eckert
1430. Cosmarium subcirculare W.B. Turner
1431. Cosmarium subcirculare Behre
1432. Cosmarium subcirculare var. rugosum W.B. Turner
1433. Cosmarium subcoliferum Grönblad
1434. Cosmarium subconnatum (Turner) Biswas
1435. Cosmarium subconnatum Claassen
1436. Cosmarium subcentrictum Schmidle
1437. Cosmarium subcontractum West & West
1438. Cosmarium subcontractum var. detritum (Playfair) Krieger & Gerloff
1439. Cosmarium subcoronatum Noda & Skvortzov
1440. Cosmarium subcoronatum var. depressum Noda & Skvortzov
1441. Cosmarium subcostatum Nordstedt
1442. Cosmarium subcostatum var. australe Playfair
1443. Cosmarium subcostatum f. bituberculatum Scott & Prescott
1444. Cosmarium subcostatum f. minus ('minor') W. West & G. S. West
1445. Cosmarium subcostatum var. ornatum Lütkemüller
1446. Cosmarium subcostatum var. spetsbergense Borge
1447. Cosmarium subcostatum var. subdentatum Messikommer
1448. Cosmarium subcostatum var. tibeticum Jao
1449. Cosmarium subcostatum var. trigranulatum Förster
1450. Cosmarium subcostatum [var.] warmbadianum Claassen
1451. Cosmarium subcrenatiforme Hirano
1452. Cosmarium subcrenatiforme Hirano
1453. Cosmarium subcrenatum Hantzsch
1454. Cosmarium subcrenatum f. bifarium ('bifaria') Gutwinski
1455. Cosmarium subcrenatum var. divaricatum Wille
1456. Cosmarium subcrenatum var. galiciense Gutwinski
1457. Cosmarium subcrenatum var. galiciense Gutwinski
1458. Cosmarium subcrenatum var. hinganicum Noda & Skvortzov
1459. Cosmarium subcrenatum var. isthmochondrum Messikommer
1460. Cosmarium subcrenatum f. minus ('minor') Wille
1461. Cosmarium subcrenatum var. nordstedtii Schmidle
1462. Cosmarium subcrenatum var. nordstedtii Schmidle
1463. Cosmarium subcrenatum var. pyramidatum Noda & Skvortzov
1464. Cosmarium subcrenatum var. rotundatum Boldt
1465. Cosmarium subcrenatum var. schmidlei Messikommer
1466. Cosmarium subcrenatum var. subdivaricatum Gutwinski
1467. Cosmarium subcrenatum var. sublaeve Taylor
1468. Cosmarium subcrenatum var. subsolidum Boldt
1469. Cosmarium subcrenatum var. triquetrum Nordstedt
1470. Cosmarium subcrenatum f. truncatum ('truncata') Strøm
1471. Cosmarium subcrenatum f. papillatum ('papillata') Messikommer
1472. Cosmarium subcruciforme Lagerheim
1473. Cosmarium subcucumis Schmidle
1474. Cosmarium subcucumis var. boreale Croasdale
1475. Cosmarium subcucumis f. compressum C. Bicudo
1476. Cosmarium subcucumis var. elongatum Hirano
1477. Cosmarium subcucumis var. parvum Prescott
1478. Cosmarium subcucumis f. trigonum ('trigona') [Dick]
1479. Cosmarium subcucumis var. transiens Krieger & Gerloff
1480. Cosmarium subcucumis var. tumidum Krieger & Bourrelly
1481. Cosmarium subcuneatum (Schmidle) Schmidle
1482. Cosmarium sub-cyclicum Maskell
1483. Cosmarium subcylindricum W. West
1484. Cosmarium subdanicum W. West
1485. Cosmarium subdanicum var. bigranulatum Förster
1486. Cosmarium subdecoratum W. West & G.S. West
1487. Cosmarium subdeplanatum Schmidle
1488. Cosmarium subdeplanatum f. majus ('major') Irenee-Marie
1489. Cosmarium subdepressum West & West
1490. Cosmarium subdistichum Raciborski
1491. Cosmarium subdistichum Jao
1492. Cosmarium subdistichum var. africanum Bourrelly
1493. Cosmarium subdorsitruncatum Cedercreutz & Grönblad
1494. Cosmarium subeductum Gutwinski
1495. Cosmarium subeductum Gutwinski
1496. Cosmarium subeductum var. oliveri Croasdale
1497. Cosmarium subellipticum (Schmidle) Schmidle
1498. Cosmarium suberosum Gutwinski
1499. Cosmarium subexcavatum W. & G.S. West
1500. Cosmarium subexcavatum var. aequinoctiale (W. West & G. S. West) W. West & G. S. West
1501. Cosmarium subexcavatum var. aequinoctiale (West & West) W. West & G. S. West
1502. Cosmarium subexcavatum var. amoebum Förster
1503. Cosmarium subexcavatum var. ordinatum W. West & G. S. West
1504. Cosmarium subexcavatum var. ordinatum West & West
1505. Cosmarium subexiguum Raciborski
1506. Cosmarium subgibberulum Bourrelly
1507. Cosmarium subglobosum Nordstedt
1508. Cosmarium subglobosum var. sumatranum Krieger & Gerloff
1509. Cosmarium subgranatum var. borgei Krieger
1510. Cosmarium subgranatum var. borgei Krieger & Gerloff
1511. Cosmarium subgranatum f. trigonum ('trigona') Messikommer
1512. Cosmarium subgrantii Grönblad
1513. Cosmarium subgrantiiforme Grönblad
1514. Cosmarium subhammeri_('sub-hammeri') Rich
1515. Cosmarium subhammeri var. africanum Bourrelly
1516. Cosmarium subhammeri f. majus Rich
1517. Cosmarium subhexagonum Grönblad
1518. Cosmarium subhexapapillatum Wei
1519. Cosmarium subhieronymusii Whelden
1520. Cosmarium subholmiense Gutwinski
1521. Cosmarium subholmiense Gutwinski
1522. Cosmarium subhumile Gutwinski
1523. Cosmarium subhumile_('sub-humile') Rich
1524. Cosmarium subhumile var. ornatum Couté & Rousselin
1525. Cosmarium subhumile var. reductum Fritsch & Rich
1526. Cosmarium subimpressulum Borge
1527. Cosmarium subimpressulum var. taylorii Krieger & Gerloff
1528. Cosmarium subjenisejense Grönblad
1529. Cosmarium subjenisejense Grönblad
1530. Cosmarium subkitchelii Jao
1531. Cosmarium sublatere-undatum West & West
1532. Cosmarium sublatere-undatum var. dubium Kiseleva
1533. Cosmarium sublatifrons G.S. West
1534. Cosmarium sublatum Nordstedt
1535. Cosmarium sublatum Nordstedt
1536. Cosmarium sublatum var. minus Lütkemüller
1537. Cosmarium sublatum var. subdentiferum Ruzicka
1538. Cosmarium sublatum var. subpardalis Ruzicka
1539. Cosmarium sublobatiforme Prescott & Scott
1540. Cosmarium sublobatiforme Grönblad & Scott
1541. Cosmarium sublobatum (Brebisson) Archer
1542. Cosmarium sublobatum var. brasiliense Borge
1543. Cosmarium sublobatum f. caicarense Förster & Eckert
1544. Cosmarium sublobatum f. longius K. Fo\*:rster & Eckert
1545. Cosmarium sublobatum f. scrobiculatum Förster & Eckert
1546. Cosmarium sublobatum var. brevisinuosum Nordstedt
1547. Cosmarium sublobatum var. brevisinuosum Nordstedt
1548. Cosmarium sublobatum subsp. dissimile Nordstedt
1549. Cosmarium sublobatum var. minutum Gutwinski
1550. Cosmarium sublobatum var. pileolatum (Brebisson) Rabenhorst
1551. Cosmarium sublobatum Gutwinski
1552. Cosmarium submamillatum West & West
1553. Cosmarium submamilliferum W. West & G. S. West
1554. Cosmarium submamilliferum var. quadrigemmum ('quadrigemma') (Playfair) Playfair
1555. Cosmarium submonomazum_('sub-monomazum') Rich
1556. Cosmarium subnasutum Raciborski
1557. Cosmarium subnobile Hinode
1558. Cosmarium subnotabile Wille
1559. Cosmarium subnudiceps W. West & G.S. West
1560. Cosmarium subnudiceps var. angulare Scott & Grönblad
1561. Cosmarium subnudiceps var. granulatum Taft
1562. Cosmarium subnudiceps var. guayanense Therezien
1563. Cosmarium subochthodes Schmidle
1564. Cosmarium subochthodes var. luteum Schmidle
1565. Cosmarium subochthodes var. majus Schmidle
1566. Cosmarium subochthodes var. minus Voronikhin
1567. Cosmarium subochthodes var. scrobiculatum Croasdale
1568. Cosmarium subochthodes var. sonckii Grönblad
1569. Cosmarium suborbiculare Wood
1570. Cosmarium suborthostichum Raciborski
1571. Cosmarium subortogonum Raciborski
1572. Cosmarium subpachydermum Nayal
1573. Cosmarium subpachydermum Schmidle
1574. Cosmarium subpalangula Elfving
1575. Cosmarium subpalangula f. depauperatum_('depauperata') Lagerheim
1576. Cosmarium subplanum (Nordstedt) Kosinskaya
1577. Cosmarium subpraemorsum Borge
1578. Cosmarium subpraemorsum var. asymmetricum Grönblad
1579. Cosmarium subpraemorsum f. minus ('minor') Irenee-Marie
1580. Cosmarium subprotractum Brühl & Biswas
1581. Cosmarium subprotuberans West & West
1582. Cosmarium subprotuberans var. subquadratum West & West
1583. Cosmarium subprotumidum Nordstedt
1584. Cosmarium subprotumidum var. bigranulatum Kiseleva
1585. Cosmarium subprotumidum var. gregoryi ('gregorii') (Roy & Bisset) W. West & G. S. West
1586. Cosmarium subprotumidum var. leopoliense Gutwinski
1587. Cosmarium subprotumidum f. majus Kosinskaya
1588. Cosmarium subprotumidum var. occultum (Schmidle) Fritsch & Stephens
1589. Cosmarium subprotumidum var. peristeri_('peristerii') Petkoff
1590. Cosmarium subprotumidum var. pyramidale P.F.M. Coesel
1591. Cosmarium subprotumidum var. septentrionale (H. Croasdale) P.F.M. Coesel
1592. Cosmarium subprotumidum subsp. simplex Fritsch
1593. Cosmarium subprotumidum var. simplicius Schmidle
1594. Cosmarium subprotumidum var. simplicius Voronikhin
1595. Cosmarium subpulchellum West & West
1596. Cosmarium subpunctulatum Nordstedt
1597. Cosmarium subpunctulatum Nordstedt
1598. Cosmarium subpunctulatum var. boergesenii W. West
1599. Cosmarium subpunctulatum var. creperiforme Schmidle
1600. Cosmarium subpunctulatum var. regulare Lütkemüller
1601. Cosmarium subpyriforme Lagerheim
1602. Cosmarium subquadrans West & West
1603. Cosmarium subquadrans var. minus ('minor') Symoens
1604. Cosmarium subquadrans var. minus Symoens ex P.F.M. Coesel
1605. Cosmarium subquadratum Nordstedt
1606. Cosmarium subquadratum var. abiscoense Skuja
1607. Cosmarium subquadratum var. genuosum (Nordstedt) Krieger & Gerloff
1608. Cosmarium subquadratum var. minus Voronikhin
1609. Cosmarium subquadratum var. minus K. Förster & Eckert
1610. Cosmarium subquadratum var. plicatiforme Krieger & Gerloff
1611. Cosmarium subquadratum var. subrotundatum Messikommer
1612. Cosmarium subquasillus Boldt
1613. Cosmarium subquasillus var. punctatum Kiseleva
1614. Cosmarium subquasillus var. tropicum W.B. Turner
1615. Cosmarium subraciborskii Taft
1616. Cosmarium subrectangulare Gutwinski
1617. Cosmarium subrectangulare f. glabrum ('glabra') Gutwinski
1618. Cosmarium subrectangulare var. mamillatum Hinode
1619. Cosmarium subrectangulare f. ornatum ('ornata') Gutwinski
1620. Cosmarium subrectangulare var. ornatissimum Gutwinski
1621. Cosmarium subrectangulare var. ornatissimum Gutwinski
1622. Cosmarium subrectangulare f. eichleri Gutwinski
1623. Cosmarium subrectangulare f. eichleri Gutwinski
1624. Cosmarium subrectangulare var. trimamillatum Hinode
1625. Cosmarium subreinschii Schmidle
1626. Cosmarium subreinschii var. boldianum ('boldiana') Schmidle
1627. Cosmarium subreinschii var. boldtii (West) Schmidle
1628. Cosmarium subreinschii var. latum Messikommer
1629. Cosmarium subreinschii var. latum Messikommer
1630. Cosmarium subreinschii var. ocellatum West & West
1631. Cosmarium subreniforme Nordstedt
1632. Cosmarium subretusiforme West & West
1633. Cosmarium subretusiforme var. crassum Scott & Prescott
1634. Cosmarium subretusiforme var. majus ('major') Petkoff
1635. Cosmarium subretusiforme var. maius Kamat
1636. Cosmarium subrotundum (Delponte) Joshua
1637. Cosmarium subsecuriforme Jao
1638. Cosmarium subspeciosum Nordstedt
1639. Cosmarium subspeciosum var. argentinense ('argentinensis') Couté & Tell
1640. Cosmarium subspeciosum var. effigiatum West & West
1641. Cosmarium subspeciosum var. fontense ('fontensis') (Playfair) Krieger
1642. Cosmarium subspeciosum f. intermedium ('intermedia') Schmidle
1643. Cosmarium subspeciosum f. javanicum ('javanica') Gutwinski
1644. Cosmarium subspeciosum f. minus ('minor') Strøm
1645. Cosmarium subspeciosum var. schaarschmidtianum ('schaarschmidtiana') Kol
1646. Cosmarium subspeciosum var. simplex G.S. West
1647. Cosmarium subspeciosum var. simplicius Jao
1648. Cosmarium subspeciosum f. tatricum ('tatrica') Gutwinski
1649. Cosmarium subspeciosum var. transiens Messikommer
1650. Cosmarium subspeciosum var. truncatum West & West
1651. Cosmarium subspeciosum var. validius Nordstedt
1652. Cosmarium subspeciosum var. validius Nordstedt
1653. Cosmarium subspeciosum f. fontense ('fontensis') Playfair
1654. Cosmarium substriatum var. minus Schmidle
1655. Cosmarium subtaxichondrum Printz
1656. Cosmarium subtholiforme Raciborski
1657. Cosmarium subtholiforme var. badense Schmidle
1658. Cosmarium subtholiforme var. malinvernianum Raciborski
1659. Cosmarium subtholiforme f. minus ('minor') Schmidle
1660. Cosmarium subtholiforme var. verrucosum (Kirchner) Raciborski
1661. Cosmarium subtile (West & West) Lütkemüller
1662. Cosmarium subtile var. subsparsepunctatum Grönblad
1663. Cosmarium subtilissimum G.S. West
1664. Cosmarium subtransiens Croasdale
1665. Cosmarium subtransvaalense Grönblad & Scott
1666. Cosmarium subtrapezicum Hinode
1667. Cosmarium subtrinodulum W. & G.S. West
1668. Cosmarium subtriordinatum W. West & G. S. West
1669. Cosmarium subtriordinatum var. rotundatum Schmidle
1670. Cosmarium subtruncatellum Grönblad
1671. Cosmarium subtruncatum C. Bicudo & Ventrice
1672. Cosmarium subtumidum Nordstedt
1673. Cosmarium subtumidum var. angustius Bernard
1674. Cosmarium subtumidum var. borgei Krieger & Gerloff
1675. Cosmarium subtumidum var. circulare Borge
1676. Cosmarium subtumidum var. groenbladii Croasdale
1677. Cosmarium subtumidum var. inflatum Messikommer
1678. Cosmarium subtumidum var. klebsii (Gutwinski) West & West
1679. Cosmarium subtumidum f. majus Beck-Mannagetta
1680. Cosmarium subtumidum var. kwangsiense Jao
1681. Cosmarium subtumidum var. minus ('minor') West
1682. Cosmarium subtumidum var. minus ('minor') Strøm
1683. Cosmarium subtumidum f. minus ('minor') [Borge]
1684. Cosmarium subtumidum var. minus ('minor') Sampaio
1685. Cosmarium subtumidum f. minus ('minor') Cedergren
1686. Cosmarium subtumidum var. montanum Noda & Skvortzov
1687. Cosmarium subtumidum var. pachydermum Prescott & Scott
1688. Cosmarium subtumidum f. parvum ('parva') Nygaard
1689. Cosmarium subtumidum var. platydesmium Nordstedt
1690. Cosmarium subtumidum f. punctatum ('punctata') Nygaard
1691. Cosmarium subtumidum f. rotundum ('rotunda') Schmidle
1692. Cosmarium subtumidum f. rotundatum ('rotundata') Schmidle
1693. Cosmarium subtumidum var. rotundum Hirano
1694. Cosmarium subtumidum var. subellipticum (Playfair) Krieger & Gerloff
1695. Cosmarium subtumidum var. subpunctulatum (Schmidle) Förster
1696. Cosmarium subtumidum f. maius Croasdale
1697. Cosmarium subtumidum var. theronii Claassen
1698. Cosmarium subturgidum (W. B. Turner) Schmidle
1699. Cosmarium subturgidum f. minus ('minor') Schmidle
1700. Cosmarium subturgidum var. minus ('minor') (Schmidle) Schmidle
1701. Cosmarium subturgidum var. minus ('minor') Schmidle
1702. Cosmarium subturpinii Borge
1703. Cosmarium subundulatum Wille
1704. Cosmarium subundulatum var. beanlandii West & West
1705. Cosmarium subundulatum var. ellipticum Förster & Eckert
1706. Cosmarium subundulatum var. minus ('minor') Fritsch & Rich
1707. Cosmarium subundulatum f. porosum Croasdale
1708. Cosmarium subundulatum var. reductum Messikommer
1709. Cosmarium subundulatum var. subcrenatum Grönblad
1710. Cosmarium subvalidum Grönblad
1711. Cosmarium subvenustum W. West & G. S. West
1712. Cosmarium subvitiosum Therezien
1713. Cosmarium succisum W. West
1714. Cosmarium succisum var. alaskanum Croasdale
1715. Cosmarium succisum var. hians Lütkemüller
1716. Cosmarium succisum var. hians [Ruttner]
1717. Cosmarium succisum var. hyalinum Skvortzov
1718. Cosmarium succisum var. insulare Krieger & Gerloff
1719. Cosmarium succisum f. jaoi Woodhead & Tweed
1720. Cosmarium succisum var. jaoi Krieger & Gerloff
1721. Cosmarium sulcatum Nordstedt
1722. Cosmarium sulcatum var. africanum O. Borge
1723. Cosmarium sulcatum var. caraibense Therezien
1724. Cosmarium sulcatum var. compressum Rich
1725. Cosmarium sulcatum var. glabrum Borge
1726. Cosmarium sulcatum var. incrassatum West & West
1727. Cosmarium sulcatum var. minus Croasdale
1728. Cosmarium sulcatum var. sumatranum Schmidle
1729. Cosmarium sumatranum Krieger
1730. Cosmarium sumatranum var. perspicuum Krieger
1731. Cosmarium superbum Taylor
1732. Cosmarium superbum var. decoratum Irenee-Marie
1733. Cosmarium superbum f. majus ('major') Irenee-Marie
1734. Cosmarium superbum f. minus ('minor') Irenee-Marie
1735. Cosmarium supergranatum W.B. Turner
1736. Cosmarium supergranatum f. medium ('media') W.B. Turner
1737. Cosmarium supergranatum f. minus ('minor') W.B. Turner
1738. Cosmarium supergranatum f. pulchrum W.B. Turner
1739. Cosmarium supraconnatum (Turner) Bismas
1740. Cosmarium supraspeciosum Wolle
1741. Cosmarium supraspeciosum var. emarginatum W. West
1742. Cosmarium symoensii_('Symoensi') van Oye
1743. Cosmarium synduorhabdum Skuja
1744. Cosmarium synostegos Schaarschmidt
1745. Cosmarium synostegos var. obtusius Gutwinski
1746. Cosmarium synthlibomenum W. West
1747. Cosmarium synthlibomenum var. africanum Huber-Pestalozzi
1748. Cosmarium synthlibomenum var. latum (Nygaard) Krieger & Gerloff
1749. Cosmarium synthlibomenum var. montanum Hirano
1750. Cosmarium tagmasterion Scott & Prescott
1751. Cosmarium tagmasterion var. africanum Lind
1752. Cosmarium tatricum Raciborski
1753. Cosmarium tatricum var. goemoerense ('goemoerensis') Uherkovich
1754. Cosmarium tatricum var. groenbladii Krieger & Gerloff
1755. Cosmarium tatricum f. minus ('minor') Messikommer
1756. Cosmarium tatricum var. minus (Messikommer) Krieger & Gerloff
1757. Cosmarium tatricum var. novizelandicum Nordstedt
1758. Cosmarium tatricum var. novizelandicum Nordstedt
1759. Cosmarium tatricum var. skujae Grönblad
1760. Cosmarium tatricum var. sphaeruliferum W. West
1761. Cosmarium taxichondriforme Eichler & Gutwinski
1762. Cosmarium taxichondriforme var. depressum Eichler & Gutwinski
1763. Cosmarium taxichondriforme var. planipes Grönblad
1764. Cosmarium taxichondriforme var. skujae Krieger & Gerloff
1765. Cosmarium taxichondrum Lundell
1766. Cosmarium taxichondrum var. ambadiense Grönblad
1767. Cosmarium taxichondrum var. angulatum West & West
1768. Cosmarium taxichondrum var. bidentulum Lagerheim
1769. Cosmarium taxichondrum var. caucasicum Voronikhin
1770. Cosmarium taxichondrum var. compressum West & West
1771. Cosmarium taxichondrum var. decachondrum (Roy & Bisset) Raciborski
1772. Cosmarium taxichondrum var. dentatum West & West
1773. Cosmarium taxichondrum var. ellipticum Förster
1774. Cosmarium taxichondrum var. emarginatum West & West
1775. Cosmarium taxichondrum f. abyssinicum ('abyssinica') Lagerheim
1776. Cosmarium taxichondrum f. hungaricum ('hungarica') Raciborski
1777. Cosmarium taxichondrum f. italicum ('italica') Raciborski
1778. Cosmarium taxichondrum var. irenee-mariei_('Irenee-Marie') Wade
1779. Cosmarium taxichondrum f. irregulare ('irregularis') Nordstedt
1780. Cosmarium taxichondrum var. lithuanicum Raciborski
1781. Cosmarium taxichondrum var. lithuanicum Raciborski
1782. Cosmarium taxichondrum var. magnum Hirano
1783. Cosmarium taxichondrum var. mauritianum Irenee-Marie
1784. Cosmarium taxichondrum f. maximum ('maxima') Schmidle
1785. Cosmarium taxichondrum var. mucronatum Irenee-Marie
1786. Cosmarium taxichondrum var. nudum W.B. Turner
1787. Cosmarium taxichondrum var. obsoletumiforme Wade
1788. Cosmarium taxichondrum var. ocellatum Schmidle
1789. Cosmarium taxichondrum var. pulchrum Behre
1790. Cosmarium taxichondrum var. subspinosum Bourrelly
1791. Cosmarium taxichondrum var. subundatum Boldt
1792. Cosmarium taxichondrum f. subdenticulatum West & West
1793. Cosmarium taxichondrum var. sudanense Grönblad & Scott
1794. Cosmarium taxichondrum var. truncatum Irenee-Marie
1795. Cosmarium taxichondrum var. truncatum Hinode
1796. Cosmarium taxichondrum var. undulatum Scott & Prescott
1797. Cosmarium taxichondrum var. unigranulatum Prescott
1798. Cosmarium taxillus P. Coesel & A. Delfos
1799. Cosmarium taylorii_('taylori') N. Carter
1800. Cosmarium teilingii Krieger & Bourrelly
1801. Cosmarium teilingii Thomasson
1802. Cosmarium tenellum Brebisson mss
1803. Cosmarium tenerrimum Krieger & Gerloff
1804. Cosmarium tenerum W.B. Turner
1805. Cosmarium tenue Archer
1806. Cosmarium tenue Maskell
1807. Cosmarium tenue var. depressum Irenee-Marie
1808. Cosmarium tenue var. minus Prescott & Scott
1809. Cosmarium tenue f. punctulatum ('punctulata') Gutwinski
1810. Cosmarium tenue f. punctulatum ('punctulata') Gutwinski
1811. Cosmarium tenue f. strusoviense ('strusoviensis') Gutwinski
1812. Cosmarium tenue var. strusoviense (Gutwinski) Krieger & Gerloff
1813. Cosmarium tenue f. tumidum Grönblad
1814. Cosmarium teodorescui Peterfi
1815. Cosmarium tessellatum (Delponte) Nordstedt
1816. Cosmarium tetracanthum Delponte
1817. Cosmarium tetracentrotum Skuja
1818. Cosmarium tetracentrotum var. inflatum Skuja
1819. Cosmarium tetrachondrum Lundell
1820. Cosmarium tetrachondrum f. minus ('minor') Schmidle
1821. Cosmarium tetrachondrum var. nordstedtii Printz
1822. Cosmarium tetragonum (Naegeli) Archer
1823. Cosmarium tetragonum var. davidsonii (Roy & Bisset) West & West
1824. Cosmarium tetragonum f. glabrum Prescott
1825. Cosmarium tetragonum var. elegans (Roy & Bisset) West & West
1826. Cosmarium tetragonum var. granulatum Gutwinski
1827. Cosmarium tetragonum var. heterocrenatum West & West
1828. Cosmarium tetragonum var. intermedium Boldt
1829. Cosmarium tetragonum f. polonicum ('polonica') Eichler & Gutwinski
1830. Cosmarium tetragonum var. lapponicum Krieger & Gerloff
1831. Cosmarium tetragonum f. lundellii Istvanffi
1832. Cosmarium tetragonum f. minus Croasdale
1833. Cosmarium tetragonum var. ornatum Krieger & Gerloff
1834. Cosmarium tetragonum var. pumilum West & West
1835. Cosmarium tetragonum f. punctatum ('punctata') Hodgetts
1836. Cosmarium tetragonum var. subintegrum Gutwinski
1837. Cosmarium tetragonum var. subintermedium Gutwinski
1838. Cosmarium tetragonum var. transvaalense Claassen
1839. Cosmarium tetraodon Grönblad & Scott
1840. Cosmarium tetraophthalmum Brebisson ex Ralfs
1841. Cosmarium tetrophthalmum_('tetraophthalmum') (Kützing) Meneghini
1842. Cosmarium tetraophthalmum f. aequaliter-granulatum ('aequaliter granulatum') Messikommer
1843. Cosmarium tetraophthalmum var. lundellii Wittrock
1844. Cosmarium tetraophthalmum var. denotarisii_('De Notarisii') Wittrock
1845. Cosmarium tetraophthalmum var. patagonicum Borge
1846. Cosmarium tetraophthalmum var. rupestre Naegeli
1847. Cosmarium tetraophthalmum var. scrobiculatum Messikommer
1848. Cosmarium tetraophthalmum var. subrotundum W. West
1849. Cosmarium tetraophthalmum var. basiornatum Geissbühler
1850. Cosmarium tetraophthalmum var. crassiverrucosum Förster
1851. Cosmarium tetraophthalmum f. minus ('minor') Gutwinski
1852. Cosmarium tetraophthalmum f. minus ('minor') Jashua
1853. Cosmarium tetraophthalmum var. pyramidatum Strøm
1854. Cosmarium tetrastichum W. West & G. S. West
1855. Cosmarium tetrastichum var. depauperatum W. West & G.S. West
1856. Cosmarium tholiforme Cohn
1857. Cosmarium thomassonii_('thomassoni') Therezien
1858. Cosmarium thwaitesii Ralfs
1859. Cosmarium thwaitesii var. curtum (Brebisson) Klebs
1860. Cosmarium thwaitesii var. incrassatum ('incrassata') Wille
1861. Cosmarium thwaitesii var. majus Rabenhorst
1862. Cosmarium thwaitesii f. minus ('minor') Petkoff
1863. Cosmarium thwaitesii var. penioides Klebs
1864. Cosmarium thwaitesii var. rotundatum Klebs
1865. Cosmarium thwaitesii var. scoticum West & West
1866. Cosmarium thwaitesii var. subincrassatum Gutwinski
1867. Cosmarium thwaitesii var. typicum Klebs
1868. Cosmarium tibeticum Wei
1869. Cosmarium tinctum Ralfs
1870. Cosmarium tinctum var. aggregatum Brebisson
1871. Cosmarium tinctum var. arctoiforme Wille
1872. Cosmarium tinctum var. borgei Krieger & Gerloff
1873. Cosmarium tinctum var. excisum Raciborski
1874. Cosmarium tinctum var. globosiforme Krieger & Gerloff
1875. Cosmarium tinctum var. guyanense Therezien
1876. Cosmarium tinctum var. intermedium Nordstedt
1877. Cosmarium tinctum var. intermedium Nordstedt
1878. Cosmarium tinctum f. minus ('minor') Huber-Pestalozzi
1879. Cosmarium tinctum f. majus ('major') Gutwinski
1880. Cosmarium tinctum f. majus ('major') Gutwinski
1881. Cosmarium tinctum var. subretusum Messikommer
1882. Cosmarium tinctum var. succisum (West) West & West
1883. Cosmarium tinctum f. tortum Scott & Prescott
1884. Cosmarium tinctum f. trigonum ('trigona') Nordstedt
1885. Cosmarium tinctum f. trigonum ('trigona') Nordstedt
1886. Cosmarium tinctum var. tumidum Borge
1887. Cosmarium tiroliense Gutwinski
1888. Cosmarium tithophoroides Krieger
1889. Cosmarium tithophorum Nordstedt
1890. Cosmarium tithophorum var. depressum West & West
1891. Cosmarium tithophorum var. dissimile Raciborski
1892. Cosmarium tithophorum f. intermedium ('intermedia') Eichler & Gutwinski
1893. Cosmarium tithophorum f. irregulare ('irregularis') W.B. Turner
1894. Cosmarium tithophorum var. majus ('major') Raciborski
1895. Cosmarium tithophorum var. minus ('minor') Raciborski
1896. Cosmarium tittaghurense W.B. Turner
1897. Cosmarium tjibenongense Gutwinski
1898. Cosmarium tjibenongense var. incrassatum ('incrassata') Bourrelly
1899. Cosmarium tjibodense Bernard
1900. Cosmarium tonollii Grönblad
1901. Cosmarium tortum Lagerheim & Nordstedt
1902. Cosmarium tortum f. trigonum ('trigona') G.S. West
1903. Cosmarium tortum f. trigonum ('trigona') G.S. West
1904. Cosmarium tortum f. trigonum ('trigona') G.S. West
1905. Cosmarium trachycyrtum Reinsch
1906. Cosmarium trachydermum West & West
1907. Cosmarium trachydermum var. ellipticum West & West
1908. Cosmarium trachypleurum Lundell
1909. Cosmarium trachypleurum var. capiteproductum Behre
1910. Cosmarium trachypleurum var. cornutum Borge
1911. Cosmarium trachypleurum var. distichiforme Gutwinski
1912. Cosmarium trachypleurum var. dubium Couté & Rousselin
1913. Cosmarium trachypleurum var. ellipticum Raciborski
1914. Cosmarium trachypleurum var. fallax Lütkemüller
1915. Cosmarium trachypleurum var. genuinum Kirchner
1916. Cosmarium trachypleurum var. minus ('minor') Raciborski
1917. Cosmarium trachypleurum var. natalense ('natalensis') Fritsch & Rich
1918. Cosmarium trachypleurum var. nordstedtii Gutwinski
1919. Cosmarium trachypleurum var. pseudonatalense ('pseudonatalensis') Claassen
1920. Cosmarium trachypleurum f. irregulare Claassen
1921. Cosmarium trachypleurum var. simplex Compère & Rousselin
1922. Cosmarium trachypleurum var. spinosum West & West
1923. Cosmarium trachypleurum var. stellatum Raciborski
1924. Cosmarium trachypleurum var. subglabrum G.S. West
1925. Cosmarium trachypleurum var. subspinosum Claassen
1926. Cosmarium trachypleurum var. verrucosum Kirchner
1927. Cosmarium trachypolum W. West & G.S. West
1928. Cosmarium trachypolum var. elongatum West & West
1929. Cosmarium trachypolum var. messikommeri (Teiling) Krieger & Gerloff
1930. Cosmarium trafalgaricum Wittrock
1931. Cosmarium trafalgaricum f. tenuius ('tenuior') Petkoff
1932. Cosmarium transiens f. maius ('maior') Gutwinski
1933. Cosmarium transitorium (Heimerl) Ducellier
1934. Cosmarium transvaalense Claassen
1935. Cosmarium transvaalense Fritsch & Rich
1936. Cosmarium treubii Gutwinski
1937. Cosmarium triangulare Borge
1938. Cosmarium triceps W.B. Turner
1939. Cosmarium tricorne Brebisson in litt.
1940. Cosmarium tricrenatum (Boldt) Gutwinski
1941. Cosmarium trifasciatum Nordstedt
1942. Cosmarium trifossum W. & G.S. West
1943. Cosmarium trifossum f. maius C. Bicudo & Ventrice
1944. Cosmarium trifluviensis Irenee-Marie
1945. Cosmarium trigemmatum Delponte
1946. Cosmarium trilobulatum Reinsch
1947. Cosmarium trilobulatum var. abscissum (Schmidle) Krieger & Gerloff
1948. Cosmarium trilobulatum var. australe (Playfair) Förster
1949. Cosmarium trilobulatum var. basichondrum Nordstedt
1950. Cosmarium trilobulatum var. basichondrum Nordstedt
1951. Cosmarium trilobulatum f. scrobiculatum ('scrobiculata') Grönblad
1952. Cosmarium trilobulatum var. bioculatum Krieger
1953. Cosmarium trilobulatum var. depressum Printz
1954. Cosmarium trilobulatum f. elongatum Gutwinski
1955. Cosmarium trilobulatum var. excavatum Eichler & Gutwinski
1956. Cosmarium trilobulatum f. majus ('major') Huber-Pestalozzi
1957. Cosmarium trilobulatum var. maius (Wittrock) Krieger & Gerloff
1958. Cosmarium trilobulatum var. majus Taylor
1959. Cosmarium trilobulatum f. minus ('minor') [Wille]
1960. Cosmarium trilobulatum var. minus (Wille) Krieger & Gerloff
1961. Cosmarium trilobulatum var. minutum K. Förster & Eckert
1962. Cosmarium trilobulatum var. nitidum Hinode
1963. Cosmarium trilobulatum var. printzii Messikommer
1964. Cosmarium trilobulatum f. retusum ('retusa') Gutwinski
1965. Cosmarium trilobulatum var. scrobiculatum Krieger
1966. Cosmarium trilobulatum var. transvaalense Krieger & Gerloff
1967. Cosmarium trilobulatum var. tumidum Krieger & Gerloff
1968. Cosmarium trinodiferum W.B. Turner
1969. Cosmarium trinodulum Nordstedt
1970. Cosmarium trinodulum var. brasiliense Borge
1971. Cosmarium trinodulum var. glabrum Borge
1972. Cosmarium trinodulum var. insigne Grönblad
1973. Cosmarium trinodulum var. pilgeri Schmidle
1974. Cosmarium trinotatum Eichler & Gutwinski
1975. Cosmarium triomphalum (Gutwinski) Schmidle
1976. Cosmarium triomphalum var. subtriomphalum (Schmidle) Schmidle
1977. Cosmarium triordinatum West & West
1978. Cosmarium tripapillatum W. West & G. S. West
1979. Cosmarium tripapillatum var. alastrense West & West
1980. Cosmarium triplicatum Wolle
1981. Cosmarium triplicatum f. majus ('major') Irenee-Marie
1982. Cosmarium triplicatum var. paucius Nordstedt
1983. Cosmarium triplicatum var. paucius Nordstedt
1984. Cosmarium triplochondrum Skuja
1985. Cosmarium triselionatum Whelden
1986. Cosmarium trituberculatum Hinode
1987. Cosmarium trituberculatum var. depressum Hinode
1988. Cosmarium triundulatum Krieger & Gerloff
1989. Cosmarium triverrucosum West & West
1990. Cosmarium trochiscum West & G.S. West
1991. Cosmarium tropicum Bernard
1992. Cosmarium truncatellum (Perty) Rabenhorst
1993. Cosmarium truncatum Corda ms.
1994. Cosmarium truncatum Corda
1995. Cosmarium truncatum Nordstedt
1996. Cosmarium trutum Irenee-Marie
1997. Cosmarium tuberculatum W. Archer
1998. Cosmarium tuddalense Stro\*/m
1999. Cosmarium tuddalense var. americanum Krieger & Gerloff
2000. Cosmarium tuddalense var. australe Skuja
2001. Cosmarium tuddalense var. groenbladii_('grönbladii') Krieger & Gerloff
2002. Cosmarium tuddalense var. pachydermiforme Krieger & Gerloff
2003. Cosmarium tumens Nordstedt
2004. Cosmarium tumens var. glabrum W. West & G.S. West
2005. Cosmarium tumens var. rotundatum Hirano
2006. Cosmarium tumescens W.B. Turner
2007. Cosmarium tumidum Lundell
2008. Cosmarium tumidum var. genuinum Kirchner
2009. Cosmarium tumidum f. inflatum ('inflata') Schmidle
2010. Cosmarium tumidum var. inflatum (Schmidle) Krieger & Gerloff
2011. Cosmarium tumidum f. minus ('minor') Eichler & Raciborski
2012. Cosmarium tumidum f. minus ('minor') Messikommer
2013. Cosmarium tumidum f. minus ('minor') Manguin
2014. Cosmarium tumidum var. minus (Messikommer) Krieger & Gerloff
2015. Cosmarium tumidum f. subrectangulare ('subrectangularis') West & West
2016. Cosmarium tumidum var. subtile Kirchner
2017. Cosmarium tumidum f. ventricosum ('ventricosa') Heimerl
2018. Cosmarium turgidum Brebisson in litt.
2019. Cosmarium turgidum Brebisson ex Ralfs
2020. Cosmarium turgidum var. alpestre (Roy & Bisset) Playfair
2021. Cosmarium turgidum f. crassum ('crassa') Milovanovic
2022. Cosmarium turgidum var. koreanum ('koreana') Skvortzov
2023. Cosmarium turgidum var. ligatum West & West
2024. Cosmarium turgidum f. minus ('minor') Wille
2025. Cosmarium turgidum var. ovatum Nordstedt
2026. Cosmarium turgidum var. ovatum Nordstedt
2027. Cosmarium turgidum var. subquadratum W. West
2028. Cosmarium turgidum var. tinecense Raciborski
2029. Cosmarium turgidum var. vlasinense ('vlasinensis') Milovanovic
2030. Cosmarium turgidum var. westii (Bernard) Krieger & Gerloff
2031. Cosmarium turneri J. Roy
2032. Cosmarium turnerianum Maskell
2033. Cosmarium turpinii Brebisson
2034. Cosmarium turpinii var. brebissonii Raciborski
2035. Cosmarium turpinii var. cambricum Joshua
2036. Cosmarium turpinii var. duplo-minus Schmidle
2037. Cosmarium turpinii var. elegans Gutwinski
2038. Cosmarium turpinii var. elegans Kiseleva
2039. Cosmarium turpinii var. elongatum ('elongata') Raciborski
2040. Cosmarium turpinii var. eximium West & West
2041. Cosmarium turpinii f. minus ('minor') Kiseleva
2042. Cosmarium turpinii f. trigonum ('trigona') Messikommer
2043. Cosmarium turpinii f. majus ('major') Raciborski
2044. Cosmarium turpinii f. minus ('minor') Raciborski
2045. Cosmarium turpinii var. gostyniense Raciborski
2046. Cosmarium turpinii var. gypsorum Gutwinski
2047. Cosmarium turpinii var. haggaricum Gauthier-Lievre
2048. Cosmarium turpinii var. intermedium Krieger
2049. Cosmarium turpinii var. lundellii Gutwinski
2050. Cosmarium turpinii var. podolicum Gutwinski
2051. Cosmarium turpinii f. maius Kaiser
2052. Cosmarium turpinii var. polonicum (Raciborski) Schmidle
2053. Cosmarium turpinii var. subcrenatum Raciborski
2054. Cosmarium turpinii var. turneri Gutwinski
2055. Cosmarium turpinii var. typicum Gutwinski
2056. Cosmarium typicum (Turner) Schmidle
2057. Cosmarium tyrolicum (Nordstedt) Krieger & Gerloff
2058. Cosmarium tyrolicum var. beanlandii_('beanlandi') (W. West & G.S. West) Krieger & Gerloff
2059. Cosmarium tyrolicum var. glabrum (Borge) Krieger & Gerloff
2060. Cosmarium uliginosum Playfair
2061. Cosmarium umbilicatum Lütkemüller
2062. Cosmarium umbilicatum var. borgei Krieger & Gerloff
2063. Cosmarium umbilicatum var. glabrum Jao
2064. Cosmarium umbonatum W.B. Turner
2065. Cosmarium undatum Brühl & Biswas
2066. Cosmarium undiferum Schmidle
2067. Cosmarium undulatum Corda
2068. Cosmarium undulatum Corda ex Ralfs
2069. Cosmarium undulatum var. alaskanum Croasdale
2070. Cosmarium undulatum f. reductum Croasdale
2071. Cosmarium undulatum var. circulare Irenee-Marie
2072. Cosmarium undulatum var. crenulatum Wittrock
2073. Cosmarium undulatum var. crenulatum Wolle
2074. Cosmarium undulatum f. kriegeri Hirano
2075. Cosmarium undulatum f. minus Croasdale
2076. Cosmarium undulatum var. depressum Bourrelly
2077. Cosmarium undulatum f. minimum ('minima') Gutwinski
2078. Cosmarium undulatum f. minus ('minor') West & West
2079. Cosmarium undulatum var. minutum Wittrock
2080. Cosmarium undulatum var. ornatum J.
2081. Cosmarium undulatum var. polymorphum Bourrelly
2082. Cosmarium undulatum f. subundulatum ('subundulata') Schmidle
2083. Cosmarium undulatum var. obtusatum Schmidle
2084. Cosmarium undulatum var. subundulatum ('subundulata') (Wille) Børgesen
2085. Cosmarium undulatum var. tumidum ('tumida') Jacobsen
2086. Cosmarium undulatum var. wollei W. West
2087. Cosmarium ungerianum (Naegeli) De Bary
2088. Cosmarium ungerianum var. bohemicum Lütkemüller
2089. Cosmarium ungerianum f. minus D.B. Williamson
2090. Cosmarium ungerianum var. perornatum Förster
2091. Cosmarium ungerianum var. subtriplicatum West & West
2092. Cosmarium ungerianum f. ornatum ('ornata') Messikommer
2093. Cosmarium urceum W. West & G.S. West
2094. Cosmarium urnigerum Nordstedt
2095. Cosmarium usmense Skuja
2096. Cosmarium vallegrande Taft
2097. Cosmarium van-oyei Bourrelly
2098. Cosmarium vanum Gutwinski
2099. Cosmarium vanum Gutwinski
2100. Cosmarium variabile Maskell
2101. Cosmarium variolatum Lundell
2102. Cosmarium variolatum var. cataractarum Raciborski
2103. Cosmarium variolatum var. depressum Hirano
2104. Cosmarium variolatum var. elongatum Scott & Grönblad
2105. Cosmarium variolatum var. extensum Nordstedt
2106. Cosmarium variolatum var. extensum Nordstedt
2107. Cosmarium variolatum f. compressum ('compressa') Nordstedt
2108. Cosmarium variolatum f. tuberculatum_('tuberculata') Bourrelly
2109. Cosmarium variolatum var. foraminum Hirano
2110. Cosmarium variolatum var. incrassatum Scott & Grönblad
2111. Cosmarium variolatum var. polygonum Krieger & Gerloff
2112. Cosmarium variolatum var. rotundatum Messikommer
2113. Cosmarium variolatum var. rotundatum Messikommer
2114. Cosmarium variolatum var. skujae H. Croasdale
2115. Cosmarium variolatum var. skujae H. Croasdale
2116. Cosmarium variolatum var. umbonatum Skuja
2117. Cosmarium varsoviense Raciborski
2118. Cosmarium varsoviense var. latum (Grönblad) Krieger & Gerloff
2119. Cosmarium varsoviense var. tiroliense Krieger & Gerloff
2120. Cosmarium varsoviense var. tumidum J. Ruzicka
2121. Cosmarium ventricosum (Kützing) Kützing ex Ralfs
2122. Cosmarium ventricosum Kützing ex Ralfs
2123. Cosmarium venustum (Brebisson) Archer
2124. Cosmarium venustum var. americanum Krieger & Gerloff
2125. Cosmarium venustum var. basichondrum (Nordstedt) Krieger & Gerloff
2126. Cosmarium venustum var. bimamillatum Compère
2127. Cosmarium venustum var. borgei Playfair
2128. Cosmarium venustum var. brevius Bernard
2129. Cosmarium venustum var. capitatum Noda & Skvortzov
2130. Cosmarium venustum var. suastroides Krieger
2131. Cosmarium venustum f. latum Scott & Prescott
2132. Cosmarium venustum f. majus ('major') Gutwinski
2133. Cosmarium venustum f. majus ('major') Gutwinski
2134. Cosmarium venustum f. trigonum ('trigona') (Nordstedt) Grönblad
2135. Cosmarium venustum var. foveatum Förster
2136. Cosmarium venustum f. hibernicum Grönblad
2137. Cosmarium venustum var. hypohexagonum W. West
2138. Cosmarium venustum f. incrassatum ('incrassata') W. West
2139. Cosmarium venustum Grönblad
2140. Cosmarium venustum f. incrassatum ('incrassata') Ducellier
2141. Cosmarium venustum var. induratum Nordstedt
2142. Cosmarium venustum var. induratum Nordstedt
2143. Cosmarium venustum f. incognitum ('incognita') Playfair
2144. Cosmarium venustum f. trilobatum ('trilobata') Playfair
2145. Cosmarium venustum var. laticeps Grönblad
2146. Cosmarium venustum var. maius Wittrock
2147. Cosmarium venustum f. punctulatum ('punctulata') Hortobagyi
2148. Cosmarium venustum f. minus ('minor') Wille
2149. Cosmarium venustum var. minus (Wille) Krieger & Gerloff
2150. Cosmarium venustum f. ocellatum ('ocellata') Ducellier
2151. Cosmarium venustum var. punctulatum W. West
2152. Cosmarium venustum var. trigonum ('triganum') Nordstedt
2153. Cosmarium venustum var. turneri ('turnerii') Ducellier
2154. Cosmarium verrucosum (Ehrenberg) Meneghini
2155. Cosmarium verrucosum 'Bailey'
2156. Cosmarium vexatum W. West
2157. Cosmarium vexatum var. aethiopicum Förster
2158. Cosmarium vexatum var. concavum Schmidle
2159. Cosmarium vexatum f. granulatum Förster
2160. Cosmarium vexatum var. illyricum Pevalek
2161. Cosmarium vexatum var. lacustre Messikommer
2162. Cosmarium vexatum f. majus ('major') Ducellier
2163. Cosmarium vexatum f. manshuricum ('manshurica') Skvortzov
2164. Cosmarium vexatum f. medio-ornatum ('medio-ornata') Messikommer
2165. Cosmarium vexatum f. minus ('minor') Viret
2166. Cosmarium vexatum var. quebecense Irenee-Marie
2167. Cosmarium vexatum var. rotundatum Messikommer
2168. Cosmarium vexatum var. sampaioi A. Rozeira
2169. Cosmarium vexatum Zopf
2170. Cosmarium vexatum var. scrobiculatum Woloszynska
2171. Cosmarium vexatum var. sinense Jao
2172. Cosmarium vicenistriatum Playfair
2173. Cosmarium vigentum Skvortzov & Noda
2174. Cosmarium viride var. compressum Taft
2175. Cosmarium viride var. compressum (Wille) Krieger & Gerloff
2176. Cosmarium viride f. glabrum ('glabra') West & West
2177. Cosmarium viride var. hibernicum (W. West) Krieger & Gerloff
2178. Cosmarium viride f. minus ('minor') W. West
2179. Cosmarium viride var. truncatum West & West
2180. Cosmarium visbyense Grönblad
2181. Cosmarium vitiosum var. orientale Scott & Prescott
2182. Cosmarium vitiosum f. subornatum Förster & Eckert
2183. Cosmarium vittatum W.B. Turner
2184. Cosmarium vodenense Petkoff
2185. Cosmarium vogesiacum Lemaire
2186. Cosmarium vogesiacum var. alpinum (Schmidle) Laporte
2187. Cosmarium vogesiacum f. bipunctatum (Børgesen) Laporte
2188. Cosmarium vogesiacum f. polonicum (Raciborski) Laporte
2189. Cosmarium vogesiacum f. quadrigranulatum (Gutwinski) Laporte
2190. Cosmarium vogesiacum f. quadrinodosum (Borge) Laporte
2191. Cosmarium vogesiacum var. osteri (Schmidle) W. West & G. S. West
2192. Cosmarium volkensii (Hieronymus) Schmidle
2193. Cosmarium wallichii West & West
2194. Cosmarium warmingii Børgesen
2195. Cosmarium waterbergense Claassen
2196. Cosmarium weddellianum Montagne
2197. Cosmarium wellheimii Schmidle
2198. Cosmarium welwitschii W. & G.S. West
2199. Cosmarium wenmanae Croasdale
2200. Cosmarium westianum Bennett
2201. Cosmarium westii Bernard
2202. Cosmarium westii var. attenuatum Hirano
2203. Cosmarium wildemanii_('wildemani') Bernard
2204. Cosmarium willeanum Raciborski
2205. Cosmarium willeanum f. intermedium ('intermedia') Eichler & Gutwinski
2206. Cosmarium willei Lagerheim
2207. Cosmarium willei (Turner) Biswas
2208. Cosmarium willsianum W.B. Turner
2209. Cosmarium wittrockii Lundell
2210. Cosmarium wittrockii var. angulare Wittrock
2211. Cosmarium wittrockii var. elongatum ('elongata') Schmidle
2212. Cosmarium wittrockii var. intermedium Wille
2213. Cosmarium wittrockii var. quasidepressum Skuja
2214. Cosmarium wittrockii var. schmidlei Borge
2215. Cosmarium wittrockii f. tibeticum Wei
2216. Cosmarium wolleanum Lagerheim
2217. Cosmarium wolleanum subsp. granuliferum Lagerheim
2218. Cosmarium wolleanum var. granuliferum (Lagerheim) Wolle
2219. Cosmarium wollei (W. West & G. S. West) Grönblad
2220. Cosmarium wollei f. longius ('longior') Grönblad
2221. Cosmarium wollei var. longius (Grönblad) Krieger & Gerloff
2222. Cosmarium wollei var. pyramidatum Krieger & Gerloff
2223. Cosmarium woodiae Biswas
2224. Cosmarium woodiae Biswas
2225. Cosmarium woodlawnense Playfair
2226. Cosmarium voronichinii Kosinskaya
2227. Cosmarium wrightianum Archer
2228. Cosmarium wudalienchiensis Skvortzov & Noda
2229. Cosmarium xainzaense Wei
2230. Cosmarium xanthidiforme W. B. Turner
2231. Cosmarium xanthidiforme Förster & Eckert
2232. Cosmarium xanthidiforme var. spinatum Förster & Eckert
2233. Cosmarium zonarium West & West
2234. Cosmarium zonarium var. latius Bernard
2235. Cosmarium zonatum Lundell
2236. Cosmarium zonatum var. angustum Grönblad & Scott
2237. Cosmarium zonatum var. compressum (Schmidle) Krieger & Gerloff
2238. Cosmarium zonatum var. javanicum (Gutwinski) Krieger
2239. Cosmarium zonatum var. latum Scott & Grönblad
2240. Cosmarium zonatum var. obversum Grönblad & Scott
2241. Cosmarium zonatum var. pyriforme Scott & Prescott
2242. Cosmarium zonatum var. simplex Woronichin
2243. Cosmarium zonatum var. subcirculare Scott & Grönblad
2244. Cosmarium zonatum f. cylindricum Scott & Grönblad
2245. Cosmarium zonatum var. subcylindricum Grönblad & Scott
2246. Cosmarium zygomorphicum Taft