Index Nominum Algarum Image Index

666 CARD IMAGES
beginning with PSEUDOLITHOPHYLLUM

1. PSEUDOLITHOPHYLLUM Me. Lemoine
2. PSEUDOLITHOPHYLLUM Me. Lemoine
3. Pseudolithophyllum absimile (Foslie & Howe) Adey
4. Pseudolithophyllum accedens (Foslie) Me. Lemoine
5. Pseudolithophyllum aequabile (Foslie) Adey
6. Pseudolithophyllum aequum (Foslie) Adey
7. Pseudolithophyllum almanense (Me. Lemoine) Zaneveld & Sanford
8. Pseudolithophyllum cabiochiae ('cabiochae') Boudouresque & Verlaque
9. Pseudolithophyllum consociatum (Foslie) Me. Lemoine
10. Pseudolithophyllum consociatum var. connatum ('connata') (Foslie) Me. Lemoine
11. Pseudolithophyllum decipiens (Foslie) Steneck & Paine
12. Pseudolithophyllum detrusum (Foslie) Adey
13. Pseudolithophyllum discoideum (Foslie) Me. Lemoine
14. Pseudolithophyllum esperi Me. Lemoine
15. Pseudolithophyllum expansum (Philippi) Me. Lemoine
16. Pseudolithophyllum expansum f. agariciforme (Pallas) J. Feldmann
17. Pseudolithophyllum expansum f. involvens (Vinassa) Halel & Me. Lemoine
18. Pseudolithophyllum falklandicum (Foslie) Adey
19. Pseudolithophyllum fetum (Foslie) Adey
20. Pseudolithophyllum fosliei Krishnamurthy & Jayagopal
21. Pseudolithophyllum fuegianum (Heydrich) M.L. Mendoza & J. Cabioch
22. Pseudolithophyllum grumosum (Foslie) Me. Lemoine
23. Pseudolithophyllum hyperellum (Foslie) Adey
24. Pseudolithophyllum impar (Foslie) Adey
25. Pseudolithophyllum irregulare (Foslie) Adey
26. Pseudolithophyllum jugatum (Foslie) Adey
27. Pseudolithophyllum lemoinei Krishnamurthy & Jayagopal
28. Pseudolithophyllum lobatum (Me. Lemoine) M.L. Mendoza & J. Cabioch
29. Pseudolithophyllum mannarense ('mannarensis') Krishnamurthy & Jayagopal
30. Pseudolithophyllum margaritae (Hariot) Me. Lemoine
31. Pseudolithophyllum muricatum (Foslie) Steneck & Paine
32. Pseudolithophyllum natalense (Foslie) Adey
33. Pseudolithophyllum neofarlowii (Setchell & Mason) Adey
34. Pseudolithophyllum nitorum (W.H. Adey & P.J. Adey) M.L. Mendoza & J. Cabioch
35. Pseudolithophyllum orbiculatum (Foslie) Me. Lemoine
36. Pseudolithophyllum pambanense ('pambanensis') Krishnamurthy & Jayagopal
37. Pseudolithophyllum ptychoides (Foslie) Adey
38. Pseudolithophyllum racemus (Lamarck) M.L. Mendoza & J. Cabioch
39. Pseudolithophyllum ramulosum (Philippi) Woelkerling
40. Pseudolithophyllum samoense (Foslie) Adey
41. Pseudolithophyllum setchellii ('setchelli') Krishnamurthy & Jayagopal
42. Pseudolithophyllum shioense (Foslie) Adey
43. Pseudolithophyllum subantarcticum (Foslie) Adey
44. Pseudolithophyllum tasmanicum (Foslie) Adey
45. Pseudolithophyllum tuberculatum (Foslie) Adey
46. Pseudolithophyllum tuticorinense ('tuticorinensis') Krishnamurthy
47. Pseudolithophyllum whidbeyense (Foslie) Steneck & Paine
48. Pseudolithophyllum yendoi (Foslie) Adey
49. PSEUDOLITHOTHAMNIUM Pfender
50. Pseudolithothamnium album Pfender
51. PSEUDOLITHRAPHIDITES H. Keupp
52. PSEUDOLUNULIDIA Brita & Santos
53. Pseudolunulidia imperatrizensis Brito & Santos
54. PSEUDOMALLOMONAS Chodat
55. Pseudomallomonas allorgei Deflandre
56. Pseudomallomonas amphora Conrad
57. Pseudomallomonas anglica N. Carter
58. Pseudomallomonas bernardinensis Chodat
59. Pseudomallomonas elliptica Kisselew
60. Pseudomallomonas pyriformis (Valkanov) Conrad
61. PSEUDOMASIA De Coninck
62. Pseudomasia trinema De Coninck
63. PSEUDOMASTOGLOIA Pantocsek
64. Pseudomastogloia castracanei (Pantocsek) Pantocsek
65. PSEUDOMESOCENA Hovasse
66. Pseudomesocena dubia Hovasse
67. PSEUDOMICROGLENA Conrad {section of Microglena}
68. PSEUDOMICROMARSUPIUM K.E. Busen & S.W. Wise, Jr.
69. Pseudomicromarsupium falklandense ('falklandensis') (D. Bukry) K.E. Busen & S.W. Wise, Jr.
70. Pseudomicromarsupium gombosum K.E. Busen & S.W. Wise, Jr.
71. PSEUDOMICROSPORTELLA Scagel & Stein
72. Pseudomicrosportella ornata Scagel & Stein
73. PSEUDOMOELLERINA Zhen Wang
74. Pseudomoellerina altaiensis (R.B. Samojlova) Zhen Wang
75. Pseudomoellerina maslovii ('maslovi') (R.B. Samojlova) Zhen Wang
76. Pseudomoellerina sexcostata ('sexcostatus') (V.D. Prinada) Zhen Wang
77. PSEUDONANOPORA Mamet & Roux
78. Pseudonanopora stockmansii ('stockmansi') Mamet & Roux
79. PSEUDONEMATONOSTOC Elenkin
80. PSEUDONITOPHYLLA Mendoza
81. Pseudonitophylla deseadensis Mendoza
82. PSEUDO-NITZSCHIA H. Peragallo
83. PSEUDONITZSCHIA Hustedt {Section of Nitzschia}
84. Pseudo-nitzschia americana (G.R. Hasle) G.A. Fryxell
85. Pseudo-nitzschia antarctica Manguin
86. Pseudo-nitzschia barkleyi (Hustedt) Manguin
87. Pseudo-nitzschia barkleyi var. obtusa Manguin
88. Pseudo-nitzschia cuspidata (G.R. Hasle) G.R. Hasle
89. Pseudo-nitzschia delicatissima (Cleve) Heiden
90. Pseudo-nitzschia australis Frenguelli
91. Pseudo-nitzschia fossilis Frenguelli
92. Pseudo-nitzschia fossilis var. ovalis Frenguelli
93. Pseudo-nitzschia fossilis Frenguelli
94. Pseudo-nitzschia fraudulenta (Cleve) G.R. Hasle
95. Pseudo-nitzschia granii (G.R. Hasle) G.R. Hasle
96. Pseudo-nitzschia heimii Manguin
97. Pseudo-nitzschia hustedtii ('hustedti') Meister
98. Pseudo-nitzschia inflatula (G.R. Hasle) G.R. Hasle
99. Pseudo-nitzschia lineola (Cleve) G.R. Hasle
100. Pseudo-nitzschia multiseries (G.R. Hasle) G.R. Hasle
101. Pseudomallomonas heverlensis Conrad
102. Pseudomallomonas playfairii ('playfairi') Conrad
103. Pseudo-nitzschia prolongatoides (G.R. Hasle) G.R. Hasle
104. Pseudo-nitzschia pseudodelicatissima (G.R. Hasle) G.R. Hasle
105. Pseudo-nitzschia pungens (Grunow) G.R. Hasle
106. Pseudo-nitzschia pungens f. multiseries (G.R. Hasle) G.R. Hasle
107. Pseudo-nitzschia pungiformis (G.R. Hasle) G.R. Hasle
108. Pseudo-nitzschia seriata f. obtusa (G.R. Hasle) G.R. Hasle
109. Pseudo-nitzschia subcurvata (G.R. Hasle) G.A. Fryxell
110. Pseudo-nitzschia subfraudulenta (G.R. Hasle) G.R. Hasle
111. Pseudo-nitzschia subpacifica (G.R. Hasle) G.R. Hasle
112. Pseudo-nitzschia turgidula (Hustedt) G.R. Hasle
113. Pseudo-nitzschia turgiduloides (G.R. Hasle) G.R. Hasle
114. PSEUDONOSTOC Elenkin
115. PSEUDONOSTOC Elenkin
116. Pseudonostoc minutissimum (Kützing) Elenkin
117. Pseudonostoc richteri Elenkin
118. PSEUDONCOBYRSA Geitler
119. Pseudoncobyrsa fluminensis Fritsch
120. Pseudoncobyrsa lacustris (Kirchner) Geitler
121. Pseudoncobyrsa siderophila (Naumann) Geitler
122. Pseudoparenchymoidea dichotoma Chu & Wu {nom. prov.}
123. PSEUDOPEDINELLA N. Carter
124. Pseudopedinella ambigua Bourrelly
125. Pseudopedinella disciformis Schiller
126. Pseudopedinella elastica Skuja
127. Pseudopedinella gallica Bourrelly
128. Pseudopedinella pyriformis_('pyriformis') N. Carter
129. Pseudopedinella rhizopodiaca Schiller
130. Pseudopedinella spinifera Throndsen
131. Pseudopedinella tricostata (Rouchijajnen) Thomsen
132. Pseudopedinella variabilis Rouchijajnen
133. PSEUDOPEDINOMONAS Skvortzov
134. Pseudopedinomonas hiemalis ('hiemale') Skvortzov
135. PSEUDOPENICILLUS O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
136. Pseudopenicillus aegaeicus O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
137. PSEUDOPERANEMA Christen
138. Pseudoperanema abruptum (Skuja) Skvortzov
139. Pseudoperanema acus (Ehrenberg) Skvortzov {inval.}
140. Pseudoperanema acus (Ehrenberg) Skvortzov ex Compère
141. Pseudoperanema caudatum (Skuja) Larsen
142. Pseudoperanema cryptocercum (Skuja) Skvortzov
143. Pseudoperanema cryptocercum (Skuja) Larsen
144. Pseudoperanema diaphanum (Skuja) Skvortzov
145. Pseudoperanema discomorphum ('discomorthum') (Skuja) Skvortzov
146. Pseudoperanema fusiforme Larsen
147. Pseudoperanema hyalinum Christen
148. Pseudoperanema leptosomum (Skuja) Compère
149. Pseudoperanema macromastix (Conrad) Larsen
150. Pseudoperanema macromastix (Conrad) Compère
151. Pseudoperanema metabolicum Skvortzov
152. Pseudoperanema pleururum (Skuja) Larsen
153. Pseudoperanema sacculum (Skuja) Skvortzov
154. {Missing Card}
155. Pseudoperanema trispirum (Matvienko) Skvortzov
156. PSEUDOPERONIA Manguin
157. Pseudoperonia andina Manguin
158. PSEUDOPHACUS Hansgirg {sect. of Euglena}
159. PSEUDOPHALACROMA Jørgensen
160. Pseudophalacroma nasutum (Stein) Jørgensen
161. Pseudophormidium viride ('viridis') (G.H. Schwabe) M.T.P. Azevedo
162. PSEUDOPHYCODRYS Skottsberg
163. Pseudophycodrys pacifica Yamada
164. Pseudophycodrys phyllophora (J. Agardh) Skottsberg
165. Pseudophycodrys pulcherrima Baardseth
166. Pseudophycodrys rainosukei Tokida
167. PSEUDOPIAEA Tyroff
168. Pseudopiaea gigantea (Florin) Tyroff
169. PSEUDOPLANOPHILA Ettl & Gärtner
170. Pseudoplanophila sphagnothermalis (Pascher) Ettl & Gärtner
171. PSEUDOPLEUROCOCCUS Snow
172. Pseudopleurococcus arthropyreniae Vischer & O. Klement
173. Pseudopleurococcus botryoides Snow
174. Pseudopleurococcus incrustans Vischer
175. Pseudopleurococcus lacustris {err. cit.}
176. Pseudopleurococcus parvula {err. cit.}
177. Pseudopleurococcus printzii Vischer
178. Pseudopleurococcus printzii var. longissimus S. Watanabe
179. Pseudopleurococcus printzii var. longissimus S. Watanabe {invalid}
180. Pseudopleurococcus vulgaris Snow
181. PSEUDOPODOSIRA A.P. Jousé
182. Pseudopodosira areolata E.M. Vishnevskaya & L.P. Loginova
183. Pseudopodosira aspera (A.P. Jousé) N.I. Strelnikova
184. Pseudopodosira bella Posnova & Glezer
185. Pseudopodosira corolla (A. Schmidt) Hajós
186. Pseudopodosira dispersa Sheshukova-Poretskaya
187. Pseudopodosira elegans (Sheshukova-Poretskaya) Sheshukova-Poretskaya
188. Pseudopodosira elegans var. convexas Skabitschevskaja
189. Pseudopodosira marginata Hajós
190. Pseudopodosira mixta Posnova
191. Pseudopodosira orientalis Sheshukova-Poretskaya
192. Pseudopodosira pileiformis A.P. Jousé
193. Pseudopodosira punctata Strelnikova
194. Pseudopodosira reticulata N.I. Strelnikova
195. Pseudopodosira septentrionalis Loseva
196. Pseudopodosira simplex (A.P. Jousé) Strelnikova
197. Pseudopodosira westii (W.Sm.) Sheshukova-Poretskaya & Glezer
198. PSEUDOPOLYEDRIOPSIS Hollerbach
199. Pseudopolyedriopsis skujae Hollerbach
200. PSEUDOPONTHOSPHAERA Palik
201. Pseudoponthosphaera excentrica Palik
202. Pseudoponthosphaera hungarica Palik
203. PSEUDOPRINGSHEIMIA Wille
204. Pseudopringsheimia apiculata Setchell & Gardner
205. Pseudopringsheimia confluens (Rosenvinge) Wille
206. Pseudopringsheimia fucicola (Rosenvinge) Wille
207. Pseudopringsheimia penetrans Kylin
208. PSEUDOPYXILLA Forti
209. Pseudopyxilla aculeata Jousé
210. Pseudopyxilla americana (Ehrenberg) Forti
211. Pseudopyxilla baltica (Grunow) Forti
212. Pseudopyxilla capreolus Forti
213. Pseudopyxilla capreolus var. gracilior Forti
214. Pseudopyxilla composita Glezer
215. Pseudopyxilla directa (Pantocsek) Forti
216. Pseudopyxilla dubia (Grunow) Forti
217. Pseudopyxilla furcata D.M. Harwood & R. Gersonde
218. Pseudopyxilla hungarica (Pantocsek) Forti
219. Pseudopyxilla jouseae Hajós
220. Pseudopyxilla lunyacseckii (Pantocsek) Forti
221. Pseudopyxilla obliquepileata Forti
222. Pseudopyxilla peragallorum Forti
223. Pseudopyxilla rossica (Pantocsek) Forti
224. Pseudopyxilla sistena D.M. Harwood & R. Gersonde
225. Pseudopyxilla tempereana Forti
226. Pseudopyxilla vasta (Pantocsek) Forti
227. PSEUDOQUADRIGULA Lacoste de Díaz
228. Pseudoquadrigula britannica Hindak
229. Pseudoquadrigula lagoensis Lacoste de Díaz
230. PSEUDORACIBORSKIA H. Kufferath
231. Pseudoraciborskia lilloensis Kufferath
232. Pseudoraciborskia messikommeri H. Kufferath
233. PSEUDORHABDOSPHAERA Lecal & Bernheim
234. Pseudorhabdosphaera siliqua (Lecal) Lecal & Bernheim
235. PSEUDORHIZASPIS Skvortzov & Noda
236. Pseudorhizaspis arborescens Skvortzov & Noda
237. Pseudorhizaspis assymmetrica Skvortzov & Noda
238. Pseudorhizaspis bellingiana Skvortzov & Noda
239. Pseudorhizaspis bilobata Skvortzov & Noda
240. Pseudorhizaspis cataracta Skvortzov & Noda
241. Pseudorhizaspis changii Skvortzov & Noda
242. Pseudorhizaspis danielii ('danieli') Skvortzov & Noda
243. Pseudorhizaspis durbanica Skvortzov & Noda
244. Pseudorhizaspis fontinalis Skvortzov & Noda
245. Pseudorhizaspis guttulaeformis Skvortzov & Noda
246. Pseudorhizaspis honkongensis Skvortzov & Noda
247. Pseudorhizaspis metabolica Skvortzov & Noda
248. Pseudorhizaspis montana Skvortzov & Noda
249. Pseudorhizaspis nodeana Skvortzov & Noda
250. Pseudorhizaspis nucosa Skvortzov & Noda
251. Pseudorhizaspis papillata Skvortzov & Noda
252. Pseudorhizaspis pluvialis Skvortzov & Noda
253. Pseudorhizaspis sphaerica Skvortzov & Noda
254. Pseudorhizaspis stagnalis Skvortzov & Noda
255. Pseudorhizaspis suborbiculata Skvortzov & Noda
256. Pseudorhizaspis subtropica Skvortzov & Noda
257. Pseudorhizaspis terra-humida ('terra humida') Skvortzov & Noda
258. Pseudorhizaspis vacuolaria Skvortzov & Noda
259. PSEUDORHODODISCUS Masuda
260. Pseudorhododiscus nipponicus Masuda
261. PSEUDORIVULARIA Poljansky
262. PSEUDORIVULARIA Poljansky
263. PSEUDOROCELLA Deflandre
264. Pseudorocella barbadensis Deflandre
265. Pseudorocella barbadensis Deflandre
266. Pseudorocella corona Deflandre
267. PSEUDO-RUTILARIA Grove & Sturt
268. Pseudo-rutilaria monile Grove & Sturt
269. Pseudorutilaria monomembranacea H.J. Schrader
270. PSEUDOSCHIZOMERIS Deason & Bold
271. Pseudoschizomeris caudata Deason & Bold
272. Pseudoschizomeris mucosa Broady
273. PSEUDOSCHROEDERIA Hegewald & Schnepf
274. Pseudoschroederia antillarum (Komarek) Hegewald & Schnepf
275. Pseudoschroederia punctata E. Hegewald & T.R. Deason
276. Pseudoschroederia robusta (Korshikov) Hegewald & Schnepf
277. PSEUDOSCINAIA Setchell
278. Pseudoscinaia australis Setchell
279. Pseudoscinaia snyderae Setchell
280. PSEUDOSCOURFIELDIA Manton
281. Pseudoscourfieldia marina (Throndsen) Manton
282. PSEUDOSCYTONEMA Elenkin
283. Pseudospora volvocis Cienkowski
284. PSEUDOSTACHEOIDES Petryk & Mamet
285. Pseudostacheoides loomisi Petryk & Mamet
286. PSEUDOSTAURASTRUM Hansgirg {section}
287. Pseudostaurastrum constrictum (G. M. Smith) Capdevielle
288. Pseudostaurastrum contortum Bourrelly
289. Pseudostaurastrum enorme (Ralfs) Chodat
290. Pseudostaurastrum enorme var. sinense (Jao) Therezien
291. Pseudostaurastrum gallicum P. Bourrelly
292. Pseudostaurastrum gigas (Pascher) Bourrelly
293. Pseudostaurastrum gracile Chodat
294. Pseudostaurastrum gracile (Reinsch) Bourrelly
295. Pseudostaurastrum hastatum (Reinsch) Chodat
296. Pseudostaurastrum hastatum Chodat
297. Pseudostaurastrum hastatum (Lagerheim) Bourrelly
298. Pseudostaurastrum hastatum var. palatinum (W. Schmidle) L. Krienitz & H. Heynig
299. Pseudostaurastrum horridum (Pascher) Bourrelly
300. Pseudostaurastrum impressum (Pascher) Bourrelly
301. Pseudostaurastrum irregularis (Pascher) Bourrelly
302. Pseudostaurastrum iyengarii Ramanathan
303. Pseudostaurastrum jovetii Bourrelly
304. Pseudostaurastrum laevis (Pascher) Bourrelly
305. Pseudostaurastrum limbatum (Pascher) Bourrelly
306. Pseudostaurastrum limneticum (Borge) Couté & Rousselin
307. Pseudostaurastrum limneticum var. minus (Jao) Couté & Rousselin
308. Pseudostaurastrum lobatum (Naegeli) Chodat
309. Pseudostaurastrum lobulatum (Naegeli) Bourrelly
310. Pseudostaurastrum minutum Bourrelly
311. Pseudostaurastrum mucronatum Bourrelly
312. Pseudostaurastrum muticum (A. Braun) Bourrelly
313. Pseudostaurastrum muticum f. minus ('minor') Bourrelly
314. Pseudostaurastrum ophiaster (Pascher) Bourrelly
315. Pseudostaurastrum parvulum (Pascher) Bourrelly
316. Pseudostaurastrum pascheri_('pascherii') Bourrelly
317. Pseudostaurastrum planctonicum (G.M. Smith) L. Krienitz & H. Heynig
318. Pseudostaurastrum polygonum (Pascher) Bourrelly
319. Pseudostaurastrum pseudogigas Bourrelly
320. Pseudostaurastrum pseudolaevis Bourrelly
321. Pseudostaurastrum pulcherrimum (Pascher) Bourrelly
322. Pseudostaurastrum pulchrum (Pascher) Bourrelly
323. Pseudostaurastrum quadrisetum (Pascher) Bourrelly
324. Pseudostaurastrum sculptum (Geitler) Bourrelly
325. Pseudostaurastrum sculptum var. majus Margalef
326. Pseudostaurastrum smithii Bourrelly
327. Pseudostaurastrum spinigerum (Skuja) Bourrelly
328. Pseudostaurastrum spinosum (Pascher) Bourrelly
329. Pseudostaurastrum subglobosum (Pascher) Bourrelly
330. Pseudostaurastrum tetragonum (Pascher) Bourrelly
331. Pseudostaurastrum torsum (W.B. Turner) Bourrelly
332. Pseudostaurastrum tortum (Pascher) Bourrelly
333. Pseudostaurastrum tribulum (Pascher) Bourrelly
334. Pseudostaurastrum tripus (Pascher) Bourrelly
335. Pseudostaurastrum triradiatum (Pascher) Bourrelly
336. Pseudostaurastrum trispinatum (W. West & G.S. West) Skuja
337. Pseudostaurastrum triverrucum (Pascher) Bourrelly
338. PSEUDOSTAUROSIRA Williams & Round
339. Pseudostaurosira brevistriata (Grunow) Williams & Round
340. Pseudostaurosira brevistriata var. inflata (Pantocsek)
341. Pseudostaurosira perminuta (Grunow) K. Sabbe & W. Wyverman
342. Pseudostaurosira robusta (Fusey) Williams & Round
343. Pseudostaurosira shiloi (J.J. Lee, C.W. Reimer, & M.E. McEnery) G.M. Hallegraeff & M.A. Burford
344. Pseudostaurosira zeilleri (Heribaud) Williams & Round
345. PSEUDOSTEPHANODISCUS Grunow {Gruppe of Coscinodiscus}
346. PSEUDOSTEPHANOPTERA Proshkina-Lavrenko
347. Pseudostephanoptera propeller Proshkina-Lavrenko
348. PSEUDOSTICHOCOCCUS L. Moewus
349. Pseudostichococcus monallantoides L. Moewus
350. PSEUDOSTICTODISCUS Grunow ex A. Schmidt
351. Pseudostictodiscus angulatus Grunow
352. Pseudostictodiscus ovetschkinae_('ovetschkini') Glezer
353. Pseudostictodiscus parallelus (Grove & Sturt) Cleve-Euler
354. Pseudostictodiscus parallelus var. suecicus_('suecica') Cleve-Euler
355. Pseudostictodiscus picus Hanna
356. PSEUDOSTRATONOSTOC Elenkin
357. PSEUDOSTREBLONEMA P. Dangeard
358. PSEUDOSTROMATOPORA Simionescu
359. Pseudostromatopora rumana Simionescu
360. PSEUDOSTRUVEA Egerod
361. Pseudostruvea covalamensis Iyengar
362. Pseudostruvea robusta (Setchell & Gardner) Egerod
363. Pseudostruvea siamensis Egerod
364. PSEUDOSURIRELLA Grunow {Gruppe of Campylodiscus}
365. PSEUDOSYCIDIUM Karpinsky ex Hacquaert
366. PSEUDOSYNCRYPTA Kisselew
367. Pseudosyncrypta volvox Kisselew
368. Pseudo-synedra debyi Leuduger-Fortmorel
369. Pseudo-synedra peragalloi ('peragalli') Leuduger-Fortmorel
370. Pseudosynedra sceptroides J. Brun
371. PSEUDOSYNURA Kisselew
372. Pseudosynura urogleniformis Kisselew
373. PSEUDOTETRACYSTIS Bold
374. PSEUDOTETRACYSTIS Arneson
375. PSEUDOTETRACYSTIS Arneson
376. Pseudotetracystis terrestris Arneson
377. Pseudotetracystis terrestris Arneson
378. PSEUDOTETRADESMUS Hirose & Akiyama
379. Pseudotetradesmus quaternarius Hirose & Akiyama
380. PSEUDOTETRAEDRON Pascher
381. Pseudotetraedron neglectum Pascher
382. PSEUDOTETRAEDRON MacEntee, Bold & Archibald
383. Pseudotetraedron polymorphum MacEntee, Bold & Archibald
384. PSEUDOTETRASPORA Wille
385. Pseudotetraspora antillarum M. A. Howe
386. Pseudotetraspora gainii Wille
387. Pseudotetraspora gainii Wille
388. Pseudotetraspora marina Wille
389. PSEUDOTETRASTRUM Hindak
390. Pseudotetrastrum punctatum (Schmidle) Hindak
391. PSEUDOTIELINGELLA Y.Z. Liang & R.C. Tsao
392. Pseudotielingella chihsienensis Y.Z. Liang & R.C. Tsao
393. PSEUDOTREBOUXIA Archibald
394. Pseudotrebouxia aggregata Archibald
395. Pseudotrebouxia corticola Archibald
396. Pseudotrebouxia decolorans (Ahmadjian) Archibald
397. Pseudotrebouxia galapagensis Hildreth & Ahmadjian
398. Pseudotrebouxia gigantea Hildreth & Ahmadjian
399. Pseudotrebouxia higginsiae Hildreth & Ahmadjian
400. Pseudotrebouxia impressa (Ahmadjian) Archibald
401. Pseudotrebouxia incrusta Archibald
402. Pseudotrebouxia incrustata Archibald
403. Pseudotrebouxia jamesii Hildreth & Ahmadjian
404. Pseudotrebouxia potteri Archibald
405. Pseudotrebouxia showmanii Hildreth & Ahmadjian
406. Pseudotrebouxia usneae Hildreth & Ahmadjian
407. PSEUDOTRICERATIUM Grunow
408. Pseudotriceratium adleri A. Mahood
409. Pseudotriceratium chenevieri (Meister) Gleser
410. Pseudotriceratium cinnamomeum (Greville) Grunow
411. Pseudotriceratium fallax Grunow
412. Pseudotriceratium punctatum (Wallich) Simonsen
413. PSEUDOTRICHOMONAS Bishop
414. Pseudotrichomonas keilinii ('keilini') (Bishop) Bishop
415. PSEUDOTRICHONYMPHA Grassi
416. Pseudotrichonympha cardiformis Karandikar & Vittal
417. Pseudotrichonympha grassei Hollande & Carruette-Valentin
418. Pseudotrichonympha grassii Koidzumi
419. Pseudotrichonympha hertwigii ('hertwigi') Grassi
420. Pseudotrichonympha hertwigii var. major Grassi
421. Pseudotrichonympha hertwigii var. minor Grassi
422. Pseudotrichonympha magnipapillosa Grassi
423. Pseudotrichonympha parvipapillosa Grassi
424. Pseudotrichonympha pisciformis Karandikar & Vittal
425. Pseudotrichonympha subapicalis Karandikar & Vittal
426. Pseudotriquetrorhabdulus inversus (D. Bukry & M.N. Bramlette) S.W. Wise, Jr. & R.E. Constans
427. PSEUDOTROCHISCIA Vinatzer
428. Pseudotrochiscia areolata Vinatzer
429. PSEUDO-TRYBLIONELLA Grunow {Gruppe of Nitzschia}
430. PSEUDOTRYPANOSOMA Grassi
431. Pseudotrypanosoma giganteum Grassi
432. Pseudotrypanosoma minimum Sutherland
433. PSEUDOUDOTEA O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
434. Pseudoudotea flabellum O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
435. Pseudoudotea granucalcarata O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
436. Pseudoudotea littlerorum ('littleri') O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
437. Pseudoudotea magna O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
438. Pseudoudotea mediterranea (M. Herak) O. Dragastan, D.K. Richter, B. Kube, M. Popa, A. Sarbu & I. Ciugulea
439. PSEUDULOTHRIX Pascher
440. PSEUDULOTHRIX (Pascher) Heering {sect. of Hormidium}
441. PSEUDULVELLA Wille
442. Pseudulvella americana (Snow) Wille
443. Pseudulvella americana var. indica Philipose
444. Pseudulvella applanata Setchell & Gardner
445. Pseudulvella consociata Setchell & Gardner
446. Pseudulvella heterotricha Yarish
447. Pseudulvella nadsonii Rochlina
448. Pseudulvella prostrata (Gardner) Setchell & Gardner
449. Pseudulvella rhizoclonii Setchell
450. PSEUDOVALONIA Iyengar
451. PSEUDOVALONIA Iyengar
452. Pseudovalonia forbesii (Harvey) Iyengar
453. Pseudovalonia forbesii (Harvey) Iyengar
454. PSEUDO-VANHEURCKIA Van Heurck {section}
455. PSEUDOVAUCHERIA R. Lami
456. Pseudovaucheria spongeliae Lami
457. PSEUDOVERMIPORELLA G. F. Elliott
458. Pseudovermiporella nipponica (Endo) Korde
459. Pseudovermiporella paranipponica Korde
460. Pseudovermiporella sodalica G.F. Elliott
461. PSEUDOWOLLEA ('PSEUDOWELLEA') Elenkin
462. PSEUDOZYGRHABLITHUS Haq
463. Pseudozygrhablithus altus Haq
464. Pseudozygrhablithus comprimus Haq
465. Pseudozygrhablithus latus Haq
466. PSICHOHORMIUM Kützing
467. Psichohormium antliarium (Kützing) Kützing
468. Psichohormium approximatum Kützing
469. Psichohormium cinereum Kützing
470. Psichohormium cinereum var. contiguum Kützing
471. Psichohormium cinereum var. patavinum Kützing
472. Psichohormium contiguum ('contignum') (Kützing) Kützing
473. Psichohormium distans (Kützing) Kützing
474. Psichohormium fuscescens Kützing
475. Psichohormium globuliferum Kützing
476. Psichohormium globuliferum var. distans Kützing
477. Psichohormium gracile Kützing
478. Psichohormium inaequale Kützing
479. Psichohormium patavinum (Kützing) Kützing
480. Psichohormium salinum Kützing
481. Psichohormium subtile Rabenhorst {in litt.}
482. Psichohormium uliginosum Itzigs.
483. Psichohormium verrucosum (C. Agardh) Kützing
484. Psichormium 'Kützing' {nomen}
485. Psichohormium welwitschii Montagne
486. PSILOCHARA L. Grambast
487. Psilochara polita (Reid & Groves) L. Grambast
488. Psilochara pulvinata M. Feist-Castel
489. Psilochara undulata (Dollfus & Fritel) L. Grambast
490. PSILOSIPHON T.J. Entwisle
491. Psilosiphon scoparius ('scoparium') T.J. Entwisle
492. PSILOSPHAERA Sah & Kar
493. Psilosphaera plicata Sah & Kar
494. PSILOTHALLIA Schmitz
495. PSILOTHALLIA Schmitz
496. Psilothallia dentata (Okamura) Kylin
497. Psilothallia siliculosa (Harvey) De Toni
498. Psilothallia striata (Harvey) Schmitz
499. PSOROSPERMIA Robin
500. Psorospermia sciaenae-umbrae ('sciaenae umbrae') Robin
501. PSYCHENEIS F.E. Round & R.M. Crawford
502. PSYGMATMLA Kützing {in litt.}
503. PSYKTOSPHAERA J.J. Pospichal & S.W. Wise, Jr.
504. Psyktosphaera firthii J.J. Pospichal & S.W. Wise, Jr.
505. PTERIDIUM Kützing {subdivision}
506. PTERIDIUM J. Agardh {subgenus}
507. PTERIDIUM (Kützing) J. Agardh
508. Pteridium alatum (Hudson) J. Agardh
509. Pteridium angustissimum (Turner) J. Agardh
510. Pteridium baeri_('baerii') (Ruprecht) J. Agardh
511. Pteridium bertrandii A.D. Cotton
512. Pteridium corymbosum (J. Agardh) J. Agardh
513. Pteridium juergensii (J. Agardh) J. Agardh
514. Pteridium pleurosporum (Harvey) J. Agardh
515. Pteridium proliferum A. Gepp & E.S. Gepp
516. Pteridium rostratum (Lyngbye) J. Agardh
517. Pteridium serratum f. platyphyllum Setchell & Gardner
518. Pteridium spinulosum (Ruprecht) J. Agardh
519. PTERIDOMONAS Penard
520. Pteridomonas pulex Penard
521. Pteridomonas salina Bourrelly
522. Pteridomonas scherffelii Lemmermann
523. Pteridomonas sphaerica H. Kufferath
524. PTERIGOPHYCOS Massalongo
525. Pterigophycos canossae Massalongo
526. PTERIGOSPERME Donati
527. PTERIGOSPERMON Targioni-Tozzetti
528. PTERIGOSPERMUM Targioni-Tozzetti {mss.}
529. PTERIGOSPERMUM Donati
530. PTERIGOSPERMUM Donati ex Leman
531. Pterigospermum atropurpureum (Crouan) Kuntze
532. Pterigospermum auriculare Targioni-Tozzetti {mss.}
533. Pterigospermum australe (Sonder) Kuntze
534. Pterigospermum capense (Montagne) Kuntze
535. Pterigospermum caulescens (Kützing) Kuntze
536. Pterigospermum coccineum (J. Agardh) Kuntze
537. Pterigospermum dubyi ('dubuyi') (Crouan) Kuntze
538. Pterigospermum gunnianum (J. Agardh) Kuntze
539. Pterigospermum harveyanum (Crouan) Kuntze
540. Pterigospermum imbricatum (Kützing) Kuntze
541. Pterigospermum involvens (Zanardini) Kuntze
542. Pterigospermum majus (Kützing) Kuntze
543. Pterigospermum multifidum (Harvey) Kuntze
544. Pterigospermum neocaledonicum (Kützing) Kuntze
545. Pterigospermum novae-hollandiae (Kützing) Kuntze
546. Pterigospermum pavonium Targioni-Tozzetti {mss.}
547. Pterigospermum replicatum (Kützing) Kuntze
548. Pterigospermum rubrum (Greville) Kuntze
549. Pterigospermum rugosum (Harvey) Kuntze
550. Pterigospermum squamarium (Gmelin) Kuntze
551. Pterigospermum umbilicatum (Kützing) Kuntze
552. PTEROCAULON Kützing
553. PTEROCAULON (Kützing) J. Agardh {tribus}
554. Pterocaulon boryi (C. Agardh) Kützing
555. Pterocaulon decurrens (Brown ex Turner) Kützing
556. Pterocaulon peronii (Mertens ex Turner) Kützing
557. PTEROCERAS Kützing
558. PTEROCERAS (Kützing) Mazoyer
559. Pteroceras cancellatum Kützing
560. Pteroceras flexuosum Kützing
561. PTEROCHONDRIA G. J. Hollenberg
562. Pterochondria pygmaea (Setchell) G. J. Hollenberg
563. Pterochondria woodii (Harvey) G. J. Hollenberg
564. Pterochondria woodii var. pygmaea (Setchell) Dawson
565. PTEROCLADIA Necker {info}
566. PTEROCLADIA Necker ex Leman {info}
567. PTEROCLADIA J. Agardh
568. PTEROCLADIA J. Agardh
569. Pterocladia americana W. R. Taylor
570. Pterocladia bartlettii W. R. Taylor
571. Pterocladia bartlettii var. musciformis W. R. Taylor
572. Pterocladia bulbosa Loomis
573. Pterocladia caerulescens (Kützing) Santelices
574. Pterocladia caespitosa ('caespitosum') (Kylin) R. E. Norris
575. Scanning error
576. Pterocladia californica 'Ruprecht'
577. Pterocladia caloglossoides (Howe) Dawson
578. Pterocladia capillacea (Gmelin) Bornet
579. Pterocladia capillacea f. pinnata (Hudson) Mazza
580. Pterocladia complanata Loomis
581. Pterocladia densa Okamura
582. Pterocladia heteroplatos (Boergesen) Umamaheswara Rao & Kaliaperumal
583. Pterocladia heteroplatos (Boergesen) Umamaheswara Rao & Kaliaperumal
584. Pterocladia kanyakumariensis P. Sindhu & M.V.N. Panikkar
585. Pterocladia lindaueri Fan
586. Pterocladia lucida (Turner) J. Agardh
587. Pterocladia lucida f. pectinata A. Gepp & E.S. Gepp
588. Pterocladia mcnabbiana Dawson
589. Pterocladia media Dawson
590. Pterocladia melanoidea (Bornet) Dawson
591. Pterocladia melanoidea var. filamentosa (Bornet) Dawson
592. Pterocladia melanoidea var. gracilis (Feldmann & Hamel) Dawson
593. Pterocladia mexicana W.R. Taylor
594. Pterocladia musciformis W.R. Taylor
595. Pterocladia nana Okamura
596. Pterocladia okamurae ('okamurai') (Setchell & Gardner) W.R. Taylor
597. Pterocladia okamurae f. densa W.R. Taylor
598. Pterocladia parva Dawson
599. Pterocladia pectinata (A. Gepp & E.S. Gepp) Lucas
600. Pterocladia pinnata (Hudson) Papenfuss
601. Pterocladia pyramidalis_('pyramidale') (Gardner) Dawson
602. Pterocladia rectangularis (Lucas) Womersley & M.D. Guiry
603. Pterocladia rigida Loomis
604. Pterocladia robusta W.R. Taylor
605. Pterocladia tenuis Okamura
606. Pterocladia tropica Dawson
607. PTEROCLADIASTRUM Akatsuka
608. Pterocladiastrum robustum Akatsuka
609. PTEROCLADIELLA B. Santelices & M.H. Hommersand
610. Pterocladiella caerulescens (Kützing) B. Santelices & M.H. Hommersand
611. Pterocladiella capillacea (S.G. Gmelin) B. Santelices & M.H. Hommersand
612. Pterocladiella melanoidea (Schousboe ex Bornet) B. Santelices & M.H. Hommersand
613. Pterocladiella minima (M.D. Guiry & H.B.S. Womersley) B. Santelices & M.H. Hommersand
614. PTEROCLADIOPHILA Fan & Papenfuss
615. Pterocladiophila hemisphaerica Fan & Papenfuss
616. PTEROCLADIOPSIS Ercegovic
617. Pterocladiopsis hirsuta Ercegovic
618. PTEROCOCCUS Lohmann
619. Pterococcus labyrinthus (Ostenfeld) Lohmann
620. PTEROCYSTIDIOPSIS Deflandre
621. Pterocystidiopsis albertii Ioannides, Stavrinos & Downie
622. Pterocystidiopsis ornata Deflandre
623. Pterocystidiopsis stephaniana Deflandre
624. Pterocystidiopsis velata Deflandre & Cookson
625. PTEROCYSTIS Lohmann
626. Pterocystis vanhoeffenii ('vanhöffeni') (Jørgensen) Lohmann
627. PTERODICTYON J.E. Gray
628. Pterodictyon anastomosans (Harvey) J. Gray
629. PTERODINIUM Eisenack
630. Pterodinium aliferum Eisenack
631. Pterodinium circumsutum Morgenroth
632. Pterodinium cornutum Cookson & Eisenack
633. Pterodinium eisenackii ('eisenacki') K.P. Jain
634. Pterodinium magnoserratum Cookson & Eisenack
635. Pterodinium perforatum (Clarke & Verdier) R. J. Davey & Verdier
636. PTEROIDEA L.I. Sheshegova
637. Pteroidea rosella L.I. Sheshegova
638. PTEROLITHON Heydrich {subgenus}
639. Pseudosphaerocystis indica Iyengar
640. Pseudosphaerocystis lacustris (Lemmermann) Novakova
641. Pseudosphaerocystis planctonica Woronichin
642. PSEUDOSPHAERONOSTOC Elenkin
643. PSEUDOSPIRA Dobell
644. Pseudospira serpens Dobell
645. PSEUDOSPIRILLUM Zacharias
646. Pseudospirillum uliginosum Zacharias
647. PSEUDOSPIRULINA H. Pankow & E. Jahnke
648. Pseudospirulina amoena H. Pankow & E. Jahnke
649. PSEUDOSPONGIOCOCCUM Gromov & Mamkaeva
650. Pseudospongiococcum protococcoides Gromov & Mamkaeva
651. PSEUDOSPORA Cienkowski
652. PSEUDOSPORA Schiffner
653. Pseudospora adriatica Schiffner
654. Pseudospora adriatica f. laxa Schiffner
655. Pseudospora nitellarum Cienkowski
656. Pseudospora subsalsa Dangeard
657. PSEUDOSTAURASTRUM (Hansgirg) Chodat
658. PSEUDOSTAURASTRUM {sect. TETRAEDRIELLA (Pascher) Bourrelly}
659. Pseudostaurastrum acuminatum (Pascher) Bourrelly
660. Pseudostaurastrum acutum (Pascher) Bourrelly
661. Pseudostaurastrum armatum (Reinsch) Chodat
662. Pseudostaurastrum armatum (Reinsch) Bourrelly
663. Pseudostaurastrum brevispinosum (Pascher) Bourrelly
664. Pseudostaurastrum circulare Bourrelly & Georges
665. Pseudostaurastrum closterioides (Pascher) Bourrelly
666. Pseudostaurastrum cochleatum (Pascher) Bourrelly