Citations starting with "P"

Paddock, T.B.B. (1985). Observations and comments on the diatoms Surirella fastuosa and Campylodiscus fastuosus and on other species of similar appearance. Nova Hedwigia 41: 417-444.   
Surirella |

Paddock, T.B.B. (1988). Plagiotropis Pfitzer and Tropidoneis Cleve, a summary account. Bibliotheca Diatomologica (H. Lange-Bertalot, ed.). Vol. 16. J. Cramer, Berlin, 152 pp. .   
Plagiotropis |   
Plagiotropis arizonica | Plagiotropis lepidoptera var. proboscidea |

Paddock, T.B.B. and Kemp, K.D. (1990). An illustrated survey of the morphological features of the diatom genus Mastogloia. Diatom Research 5: 73-103.   
Mastogloia |

Pantocsek, J. (1892). Beiträge zur Kenntnis der Fossilen Bacillarien Ungarns. 3 Teile. Julius Platzko, Nagyy-Tapolcsany. Teil III, Susswasser Bacillarien. Anhang-analysen 15 neuer Depots von bulgarien, Japan, Mahern, Russland und Ungarn. Nagy-Tapolcsány, Buchdrucherei von Julius Platzko.

Pantocsek, J. (1902). Kieselalgen oder Bacillarien des Balaton. Resultate der Wissenschaftlichen Erforschung des Balatonsees, herausgegeben von der Balatonsee-Commission der Ung. Geographischen Gesellschaft. Commissionsverlag von Ed. Hölzel. Wien. 2(2): 112 pp., 17 pls.

Pantocsek, J . (1905). Beschreibung neuer Bacillarien, welche in der Pars III der “Beiträge zur Kenntniss der Fossilen Bacillarien Ungarns” abgebildet wurden. Pozsony. Buchdruckerei C.F. Wigand., pp. 1-118, pls. 1-41.

Pappas, J.L. and Stoermer, E.F. (2001). Asterionella Hassall (Heterokontophyta, Bacillariophyceae), taxonomic history and quantitative methods as an aid to valve shape differentiation. Diatom 17:47-58.   
Asterionella |

Patrick, R.M. (1944). Estudo Limnologico e Biologico das Lagoas da regiao Litoranea Sul- Riograndense II. Some New Diatoms from the Lagoa dos Quadros. Boletin de Museo Naciona, Nova serie, Botanica. 2:6 pp., 9 fig.   
Navicula canalis | Navicula symmetrica |

Patrick, R.M. (1945). A taxonomic and ecological study of some diatoms from the Pocono Plateau and adjacent regions. Farlowia 2(2):143-221.   
Nupela |   
Caloneis lewisii | Nupela poconoensis | Planothidium apiculatum | Platessa stewartii | Stauroneis kriegeri |

Patrick, R.M. (1958). Some nomenclatural problems and a new species and a new variety in the genus Eunotia (Bacillariophyceae). Notulae Naturae 312: 1-15.   
Eunotia |   
Eunotia tetraodon |

Patrick, R.M. (1959). New species and nomenclatural changes in the genus Navicula (Bacillariophyceae). Proceedings of the Academy of Natural Sciences of Philadelphia 111 (1959): 91-108 . http://www.jstor.org/stable/4064508   
Navicula subrostellata |

Patrick, R.M. and Freese, L.R. (1961). Diatoms (Bacillariophyceae) from Northern Alaska. Proceedings of the Academy of Natural Sciences of Philadelphia 112(6):129-293.   
Boreozonacola hustedtii | Cymbopleura edlundii | Cymbopleura oblongata | Navicula freesei | Navicula hodgeana | Navicula nunivakiana | Navicula perotii | Stauroneis pax |

Patrick, R.M. and Reimer, C.W. (1966). The Diatoms of the United States exclusive of Alaska and Hawaii, V. 1. Monographs of the Academy of Natural Sciences of Philadelphia 13.   
Achnanthes | Achnanthidium | Actinella | Amphipleura | Anomoeoneis | Brachysira | Caloneis | Capartogramma | Cavinula | Cocconeis | Cosmioneis | Craticula | Ctenophora | Cymbella | Cymbopleura | Decussata | Delicata | Denticula | Diadesmis | Diatoma | Diatomella | Didymosphenia | Encyonema | Encyonopsis | Entomoneis | Fallacia | Fistulifera | Fragilaria | Fragilariforma | Frickea | Frustulia | Geissleria | Gyrosigma | Hannaea | Hippodonta | Kobayasiella | Lemnicola | Luticola | Mastogloia | Meridion | Microcostatus | Navicula | Neidium | Pinnularia | Placoneis | Tabularia |   
Achnanthes inflata | Achnanthidium deflexum | Amphipleura pellucida | Aneumastus rostratus | Biremis circumtexta | Brachysira brebissonii | Brachysira hannae | Brachysira microcephala | Brachysira serians | Caloneis bacillum | Caloneis lewisii | Cavinula scutiformis | Cocconeis klamathensis | Cocconeis pediculus | Cocconeis rugosa | Craticula cuspidata | Craticula halophila | Craticula pampeana | Decussata placenta | Diadesmis confervacea | Diatoma tenuis | Diatomella balfouriana | Didymosphenia geminata | Diploneis finnica | Encyonema norvegicum | Eucocconeis laevis | Eunotia areniverma | Eunotia diadema | Eunotia exigua | Eunotia incisa | Eunotia serra | Eunotia tetraodon | Fallacia pygmaea | Fragilariforma nitzschioides | Frickea lewisiana | Hannaea arcus | Hippodonta capitata | Hippodonta hungarica | Mastogloia elliptica | Mastogloia pumila | Meridion circulare | Navicula aurora | Navicula cari | Navicula cincta | Navicula germainii | Navicula ludloviana | Navicula oblonga | Navicula peregrina | Navicula reinhardtii | Navicula salinarum | Navicula vulpina | Navicula walkeri | Nupela pennsylvanica | Pinnularia divergentissima | Planothidium haynaldii | Pseudostaurosira brevistriata | Rexlowea navicularis | Sellaphora bacillum | Stauroneis acuta | Stauroneis akamina | Stauroneis amphicephala | Stauroneis baconiana | Stauroneis kriegeri | Stauroneis livingstonii | Stauroneis siberica | Stauroneis smithii | Stauroneis supergracilis | Synedra cyclopum | Synedra famelica | Tabularia fasciculata |

Patrick, R.M. and Reimer, C.W. (1975). The Diatoms of the United States, exclusive of Alaska and Hawaii, V. 2. Monographs of the Academy of Natural Sciences of Philadelphia 13.   
Gomphonema | Plagiotropis |   
Cymbella affinis | Cymbella janischii | Cymbella mexicana | Cymbella neocistula | Cymbella proxima f. gravida | Cymbella proxima | Cymbella rainierensis | Cymbopleura amphicephala | Cymbopleura anglica | Cymbopleura angustata | Cymbopleura hybrida | Cymbopleura inaequalis | Cymbopleura lata | Cymbopleura naviculiformis | Cymbopleura subaequalis | Cymbopleura subrostrata | Encyonema temperei | Encyonema triangulum | Entomoneis alata | Entomoneis ornata | Entomoneis paludosa | Gomphoneis mammilla | Gomphoneis olivaceum | Gomphoneis septa | Gomphonema acuminatum | Gomphonema apicatum | Gomphonema brasiliense | Gomphonema brebissonii | Gomphonema elongatum | Gomphonema mexicanum | Halamphora coffeaeformis | Halamphora normanii | Halamphora veneta | Plagiotropis lepidoptera var. proboscidea | Rhopalodia gibba |

Patrick, R.M. (1959). New species and nomenclatural changes in the genus Navicula (Bacillariophyceae). Proceedings of the Academy of Natural Sciences of Philadelphia, 111, 91-108.   
Frustulia |   
Fallacia latelongitudinalis | Frustulia creuzburgensis | Geissleria punctifera | Navicula escambia | Sellaphora subfasciata |

Pavolv, A, Nakov, T., Levkov, Z., Furey, P.C., Lowe, R.L. and Ector, L. (2009). Luticola grupcei (Bacillariophyceae) - a new freshwater diatom from Mountain Baba (Macedonia) and Great Smoky Mountains National Park (U.S.A.): comparison with the type material of L. goeppertiana (Bleisch) D.G.Mann. Nova Hedwigia 89: 147-164.   
Luticola |

Pearce, C., Cremer, H. and Wagner-Cremer, F. (2010). Aulacoseira coroniformis sp. nov., a new diatom (Bacillariophyta) species from Highlands Hammock State Park, Florida. Phytotaxa 13: 40–48.   
Aulacoseira |

Péres, F., Barthés, A., Ponton, E., Coste, M., Ten-Hage, L. and Le-Cohu, R. (2012). Achnanthidium delmontii sp. nov., a new species from French rivers. Fottea, Olomouc 12(2): 189-198.

Petersen, J.B. (1915). Studier over danske aerophile alger. Mem. Acad. R. Sci. Lett. Danmark, 7. Ser. 12: 269-380.   
Stauroneis agrestis |

Petersen, J.B. (1924). Freshwater-algae from the north coast of Greenland collected by the late Dr. Th. Wulff. Meddelelser om Gronland 64: 305-319.   
Neidiopsis wulffii |

Petersen, J.B. (1938). Fragilaria intermedia-Synedra vaucheriae. Botaniska Notiser 1938(1-3):164-170.   
Fragilaria vaucheriae |

Petersen, J.B. (1950). Observations on some small species of Eunotia. Dansk Bot. Ark. 14: 1-19.   
Eunotia |

Peterson, C. G. and Hoagland, K. D. (1990). Effects of wind-induced turbulence and algal mat development on epilithic diatom successionin a large reservoir. Archive für Hydrobiologie 118:47–68.

Peterson, C. G. and Stevenson, R. J. (1992). Resistance and resilience of lotic algal communities: importance of disturbance timing and current. Ecology 73:1445–1461.

Pfitzer, E. (1871). Untersuchungen über Bau und Entwicklung der Bacillariaceen (Diatomaceen). Botanische Abhandlungen aus dem Gebiet der Morphologie und Physiologie. Herausg. von J. Hanstein, Bonn. 1(2): 189 pp.

Pickett-Heaps, J.D., Cohn, S., Schmid, A.M.M., and Tippit, D.H. (1988). Valve morphogenesis in Surirella (Bacillariophyceae). Journal of Phycology 24: 35-49.   
Surirella |

Pickett-Heaps, J.D., Schmid, A.M.M and Edgar, L.A. (1990). The cell biology of diatom valve formation. In: F.E. Round and D.J. Chapman, editors. Progress in Phycological Research, Bristol. Biopress Ltd. pp. 1–168.   
Surirella |

Pickett-Heaps, J. D., D. H. Tippit, and R. Leslie. (1988). Light and electron microscopic observations on the cell division in two large pennate diatoms, Hantzschia and Nitzschia. II. Ultrastructure. Eur. J. Cell Biol. 21: 12-27.   
Surirella ovalis |

Pienitz, R., Fedje, D. and Poulin, M. (2003). Marine and Non-Marine Diatoms from the Haida Gwaii Archipelago and Surrounding Coasts, Northeastern Pacific, Canada. In Bibliotheca Diatomologica (H. Lange-Bertalot and P. Kociolek, eds.), Band 48, J. Cramer, Stuttgart, 146 pp.   
Cavinula davisiae |

Pite, D., Lane, K., Hermann, A, Spaulding, S.A. and Finney, B. (2009). Historical abundance and morphology of Didymosphenia geminata in Naknek Lake, Alaska. Proceedings of the 20th International Diatom Symposium, Acta Bot. Croat. 68: 183-197.   
Didymosphenia geminata |

Ponader, K. and Potapova, M. (2007). Diatoms from the genus Achnanthidium in flowing waters of the Appalachian Mountains (North America): Ecology, distribution and taxonomic notes. Limnologica - Ecology and Management of Inland Waters 37: 227-241 . 10.1016/j.limno.2007.01.004   
Achnanthidium |   
Achnanthidium alpestre | Achnanthidium atomus | Achnanthidium duthiei | Achnanthidium gracillimum | Achnanthidium latecephalum | Achnanthidium reimeri |

Poretzky, V.S. and Anisimova, N.V. (1933). Materialien zur Ökologie der Diatomeen aus den Salzgewassern von Staraja Russia. Issled. Ozer. SSSR 2: 31-66.   
Staurophora wislouchii |

Potapova, M. (2010). The ANSP Diatom Herbarium: an important resource for diatom research. Proceedings of the Academy of Natural Sciences of Philadelphia 160(1): 3-12. 10.1635/053.160.0102

Potapova, M. and Ponader, K.C. (2008). New species and combinations in the diatom genus Sellaphora (Sellaphoraceae) from southeastern United States. Harvard Papers in Botany 13: 171-181.   
Sellaphora |   
Sellaphora hohnii | Sellaphora meridionalis | Sellaphora rexii | Sellaphora wallacei |

Potapova, M. (2006). Achnanthidium zhakovschikovii sp. nov. (Bacillariophyta) and related species from rivers of Northwestern Russia. Nova Hedwigia 82: 399-408. 10.1127/0029-5035/2006/0082-0399   
Achnanthidium |   
Achnanthidium pyrenaicum |

Potapova, M. (2011). New species and combinations in the genus Nupela from the USA. Diatom Research. 10.1080/0269249X.2011.575111   
Nupela elegantula | Nupela frezelii | Nupela lapidosa | Nupela pennsylvanica | Nupela poconoensis | Nupela subrostrata |

Potapova, M. (2012). New species and combinations in monoraphid diatoms (Family Achnanthidiaceae) from North America. Diatom Research 27(1): 29-42. doi:10.1080/0269249X.2011.644636   
Psammothidium | Rossithidium |   
Planothidium abbreviatum | Platessa bahlsii | Platessa kingstonii | Platessa lutheri | Platessa stewartii | Psammothidium harveyi | Psammothidium pennsylvanicum | Psammothidium semiapertum | Rossithidium anastasiae |

Potapova, M. (2013). The types of 22 Navicula (Bacillariophyta) species described by Ruth Patrick. Proceedings of the Academy of Natural Sciences of Philadelphia 162: 1-23.   
Hippodonta | Navicula |   
Sellaphora subfasciata |

Potapova, M. (2013). Transfer of Achnanthes decipiens to the genus Nupela. Diatom Research 28: 139-142.   
Nupela decipiens |

Potapova, M. and Charles, D.F. (2004). Potential use of rare diatoms as environmental indicators in U.S.A. rivers. In: M. Poulin (ed.), Proceedings of the Seventeenth International Diatom Symposium, Ottawa, Canada, 25th-31st August 2002. Biopress Limited, Bristol, U.K. pp. 281-295.   
Navicula geronimensis | Sellaphora californica |

Potapova, M. and Charles, D. (2007). Diatom metrics for monitoring eutrophication in rivers of the United States. Ecological Indicators 7: 48-70.   
Simonsenia |

Potapova, M. and Hamilton, P. B. (2007). Morphological and ecological variation within the Achnanthidium minutissimum (Bacillariophyceae) species complex . Journal of Phycology 43: 561-575. 10.1111/j.1529-8817.2007.00332.x   
Achnanthidium |   
Achnanthidium minutissimum |

Potapova, M. and Ponader, K.C. (2004). Two common North American diatoms, Achnanthidium rivulare sp. nov. and A. deflexum (Reimer) Kingston: morphology, ecology and comparison with related species. Diatom Research 19(1): 33-57.   
Achnanthidium |   
Achnanthidium alpestre | Achnanthidium deflexum | Achnanthidium pyrenaicum | Achnanthidium rivulare |

Potapova, M. and Snoeijs, P. (1997). The natural life cycle in wild populations of Diatoma moniliformis (Bacillariophyceae) and its disruption in an aberrant environment. Journal of Phycology 33: 924-937. 10.1111/j.0022-3646.1997.00924.x   
Diatoma |

Potapova, M. and Winter, D. (2006). Use of nonparametric multiplicative regression for modeling diatom habitat: a case study of three Geissleria species from North America. In: Advances in Phycological Studies (N. Ognjanova-Rumenov and K. Manyolov, eds). Pensoft Publishers, Sofia-Moscow pp. 319-332.   
Geissleria |   
Geissleria lateropunctata |

Potapova, M., Ponander, K.C., Lowe, R.L., Clason, T.A. and Bahls, L.L. (2003). Small-celled Nupela speces from North America. Diatom Research 18: 293-306.   
Nupela |   
Nupela carolina | Nupela neglecta | Nupela wellneri |

Poulickova, A. and Mann, D.G. (2006). Sexual reproduction in Navicula cryptocephala (Bacillariophyceae). Journal of Phycology 42: 872-886. 10.1111/j.1529-8817.2006.00235.x

Prasad, A.K.S.K. and Nienow, J.A. (1988). Rimoportulae in Eupodiscus radiatus (Bacillariophyceae) from the Northeastern Gulf of Mexico. Journal of Phycology 24: 120-123.   
Eupodiscus radiatus |

Prechtl, J., Kneip, C. Lockhart, P., Wenderoth, K. and Maier, U.G. . (2004). Intracellular spheroid bodies of Rhopalodia gibba have nitrogen-fixing apparatus of cyanobacterial origin. Molecular Biology and Evolution 21(8): 1477-1481. 10.1093/molbev/msh086   
Rhopalodia |

Prescott, G.W. and Dillard, G.E. (1979). A checklist of algal species reported from Montana 1891 to 1977. Proceedings of the Montana Academy of Science 38(Suppl.): 1–101.   
Rexlowea |

Procopiak, L.K., Fernandez, L.F. and Moreira Filho, H. (2006). Marine and estuarine diatoms (Bacillariophyta) from Paraná, southern Brazil: check-list with emphasis on harmful species. Biota Neotropica 6: 28.   
Envekadea |