Nagel, K. & Voigt, J. 1989. In vitro evolution and preliminary characterization of a cadmium-resistant population of Chlamydomonas reinhardtii. Appl. Envir. Microbiol. 55:526-8.

Nalewajko, C. & O'Mahoney, M.A. 1989. Photosynthesis of algal cultures and phytoplankton following an acid pH shock. J. Phycol. 25:319-25.

Namikoshi, M., Carmichael, W.W., Sakai, R., Jares-Erijman, E.A., Kaup, A.M. & Rinehart, K.L. 1993. 9-Deazaadenosine and its 5'- a-D-Glucopyranoside isolated from the cyanobacterium Anabaena affinis strain VS-1. J. Am. Chem. Soc. 115:2504-5.

Neilson, A.H., Holm-Hansen, O. & Lewin, R.A. 1972. An obligately autotrophic mutant of Chlamydomonas dysosmos: a biochemical elucidation. J. Gen. Microbiol. 71:141-8.

Nesaratnam, S.T., Saleem, B & Al-Daher, R. 1986. Indoor cultivation of a marine alga species in a thin-layer unit. Kuwait Inst. Sci. Res. No. 1931, 6 pp.

Nichol, B.E., Budd, K, Palmer, G.R. & MacArthur, J.D. 1987. The mechanisms of fluoride toxicity and fluoride resistance in Synechococcus leopoliensis (Cyanophyceae). J. Phycol. 23:535-41.

Nichols, H.W. & Bold, H.C. 1965. Trichosarcina polymorpha gen. et sp. nov. J. Phycol. 1:34- 8.

Niven, G.W., Kerby, N.W., Rowell, P. & Steward, W.D.P. 1988a. The regulation of aromatic amino acid biosynthesis in amino acid liberating mutans of Anabaena variabilis. Arch. Microbiol. 150:272-7.

Niven, G.W., Kerby, N.W., Rowell, P., Foster, C.A. & Stewart, W.D.P. 1988b. The effect of detergents on amino acid liberation by the N2-fixing cyanobacterium Anabaena variabilis and 6-fluorotryptophan-resistant mutant strains. J. Gen. Microbiol. 134:689-95.

Norris, R.E. & Pearson, B.R. 1975. Fine structure of Pyramimonas parkeae sp. nov. (Chlorophyta, Prasinophyceae). Arch. Protistenk. 117:192-213.

Nozaki, H. 1981. The life history of Japanese Pandorina unicocca (Chlorophyta, Volvocales). J. Jap. Bot. 56:65-72.

Nozaki, H. 1983. Morphology and taxonomy of two species of Astrephomene (Chlorophyta, Volvocales) in Japan. J. Jap. Bot. 58:345-52.

Nozaki, H. 1988. Morphology, sexual reproduction and taxonomy of Volvox carteri f. kawasakiensis f. nov. (Chlorophyta) from Japan. Phycologia 27:209-20.

Nozaki, H. 1989. Morphological variation and reproduction in Gonium viridistellatum (Volvocales, Chlorophyta). Phycologia 28:77-88.

Nozaki, H. 1993a. Asexual and sexual reproduction in Gonium quadratum (Chlorophyta) with a discussion of phylogenetic relationships within the Goniaceae. J. Phycol. 29:369-76.

Nozaki, H. 1993b. Morphology, reproduction and taxonomy of Characiochloris sasae sp. nov. (Chlorophyta) from Japan. Phycologia 32:129-35.

Nozaki, H., Aizawa, K. & Watanabe, M.M. 1994. A taxonomic study of four species of Carteria (Volvocales, Chorophyta) with cruciate anterior papillae, based on cultured material. Phycologia 33:239-47.

Nozaki, H., Ito, M., Sano, R., Uchida, H., Watanabe, M.M., Takahashi, H., & Kuroiwa, T. 1997. Phylogenetic analysis of Yamagishiella and Platydorina (Volvocaceae, Chlorophyta) based on rbcL gene sequences. J. Phycol. 33:272-8.

Nozaki, H.,  Ito, M., Uchida, H., Watanabe, M.M., & Kuroiwa, T. 1997. Phylogenetic analysis of Eudorina species (Volvocaceae, Chlorophyta) based on rbcL gene sequences. J. Phycol. 33:859-63.

Nozaki, H., Ito, M., Watanabe, M.M., Takano, H., & Kuroiwa, T. 1997. Phylogenetic analysis of morphological species of Carteria (Volvocaceae, Chlorophyta) based on rbcL gene sequences. J. Phycol. 33:864-67.

Nozaki, H. & Itoh, M. 1994. Phylogenetic relationships within the colonial Volvocales (Chlorophyta) inferred from cladistic analysis based on morphological data. J. Phycol. 30:353-65.

Nozaki, H. & Kasaki, H. 1979. The sexual process of Japanese Pandorina morum Bory (Chlorophyta). J. Jap. Bot. 54:363-70.

Nozaki, H. & Krienitz, L. 2001. Morphology and phylogeny of Eudorina minodii (Chodat) Nozaki et Krienitz, comb. nov. (Volvocales, Chlorophyta) from Germany. Eur. J. Phycol. 36:23-8.

Nozaki, H. & Kuroiwa, T. 1991a. Morphology and sexual reproduction of Gonium multicoccum (Volvocales, Chlorophyta) from Nepal. Phycologia 30:381-93.

Nozaki, H. & Kuroiwa, T. 1991b. Pandorina colemaniae sp. nov. (Volvocaceae, Chlorophyta) from Japan. Phycologia 30:449-57.

Nozaki, H., Misawa, K., Kajita, T., Kato, M., Nohara, S. & Watanabe, M.M. 2000. Origin and evolution of the colonial Volvocales (Chlorophyceae) as inferred from multiple, chloroplast gene sequences. Mol. Phylogenetics and Evol. 17:256-68.

Nozaki, H., Mita, T. & Kuroiwa, T. 1989. Pleodorina japonica sp. nov. (Volvocales, Chlorophyta) with bacteria-like endosymbionts. Phycologia 28:252-67.

Nozaki, H., Ohta, N., Morita, E. & Watanabe, M.M. 1998. Toward a natural system of species in Chlorogonium (Volvocales, Chlorophyta):  a combined analysis of morphological and rbcL gene sequence data. J. Phycol. 34:1024-37.

Nozaki, H., Ohta, N., Yamada, T. & Takano, H. 1998. Characterization of rbcL group IA introns from two colonial volvocalean species (Chlorophyceae). Plant Mol. Biol. 37:77-85.

Nozaki, H., Onishi, K. & Morita, E. 2002. Differences in pyrenoid morphology are correlated with differences in the rbcL genes of members of the Chloromonas lineage (Volvocales, Chlorophyceae). J. Mol. Evol. 55:414-30.

Nozaki, H., Takahara, M., Nakazawa, A., Kita, Y., Yamada, T., Takano, H., Kawano, S. & Kato, M. 2002. Evolution of the rbcL group IA introns and intron open reading frames within the colonial Volvocales (Chlorophyceae). Mol. Phylogenetics and Evol. 23:326-38.

Nultsch, W. & Dolle, R. 1987. Effects of calcium ions and of calcium channel blockers on galvanotaxis of Chlamydomonas reinhardtii. Botanica Acta 101:18-23.

Nultsch, W. & Mecke, A. 1988. Photobiotic responses of the cyanobacterium Anabaena variabilis. Arch. Microbiol. 150:343-7.

Nygaard, G., Komárek, J., Kristiansen, J. & Skulberg, O.M. 1986. Taxonomic designations of the bioassay alga NIVA-CHL-1 ("Selenastrum capricornutum") and some related strains. Opera Botanica 90:5-46.

O'hEocha, C., O'Carra, P. & Mitchell, D. 1964. Biliproteins of cryptomonad algae. Proc. Royal Irish Acad. 63:191-200.

O'hEocha, C. & Rafferty, M. 1959. Phycoerythrins and phycocyanins of cryptomonads. Nature, London 184:1049-51.

O'Kelly, C.J. & Floyd, G.L. 1984. Correlations among patterns of sporangial structure and development, life histories, and ultrastructural features in the Ulvophyceae. In Irvine, D.E.G. & John, D.M. [Eds.] Systematics of the Green Algae. Academic Press, London, pp. 121-56.

O'Neil, R.M. & La Claire, J.W. 1984. Mechanical wounding induces the formation of extensive coated membranes in giant algal cells. Science 225:331-3.

O'Neil, R.M. & La Claire, J.W. 1988. Endocytosis and membrane dynamics during the wound response of the green algae Boergesenia. Cytobios 53:113-25.

Ocampo-Paus, R. & Friedmann, I. 1966. Radiosphaera negevensis sp. n. a new chlorococcalean desert alga. Am. J. Bot. 53:663-71.

Olafson, W., McCubbin, W.D. & Kay, C.M. 1988. Primary- and secondary-structural analysis of a unique prokaryotic metalothionein from a Synechococcus sp. cyanobacterium. Biochem. J. 251:691.

Olsen, J.L. & West, J.A. 1988. Ventricaria (Siphonocladales-Cladophorales complex, Chlorophyta), a new genus for Valonia ventricosa. Phycologia 27:103-8.

Ott, F.D. 1967. Rhodosorus marinus Geitler: a new addition to the marine algal flora of the Western Hemisphere. Jour. Phycol. (Baltimore, Lawrence) 3(3): 158-159.

Ott, F.D. 1987. A brief review of the species of Porphyridium with additional records for the rarely collected alga Porphyridium sordidum Geitler 1932
(Rhodophycophyta, Porphyridiales). Arch. Protistenk. 134:35-41.

Owens, K.J., Farmer, M.A. & Triemer, R.E. 1988. The flagellar apparatus and reservoir/canal cytoskeleton of Cryptoglena pigra (Euglenophyceae). J. Phycol. 24:520-8.

Paasche, E. & Throndsen, J. 1970. Rhodella maculata Evans (Rhodophyceae, Porphyridiales) isolated from the plankton of the Oslo Fjord. Nytt. mag. Bot. 17:209-12.

Pakker, H., Breeman, A.M., Prud’-homme van Reine, W.F. & Hoek, C. van den (1995). A comparative study of temperature responses of Caribbean seaweeds from different biogeographic groups. J. Phycol. 31:499-507.

Pakker, H., Breeman, A.M., Prud’homme van Reine, W.F. & Hoek, C. van den (1996). Temperature responses of tropical to warm temperate seaweeds. I. Absence of ecotypic differentiation in amphi-Atlantic tropical-Canary Islands species. Eur. J. Phycol., 31: 123-132.

Palmer, E.G. & Starr, R.C. 1971. Nutrition of Pandorina morum. J. Phycol. 7:85-9.

Palmer, E.G. & Togasaki, R.K. 1971. Acetate metabolism by an obligate phototrophic strain of Pandorina morum. J. Protozool. 18:640-4.

Pankratz, H.S. & Bowen, C.C. 1963. Cytology of blue-green algae. I. The cells of Symploca muscorum. Am. J. Bot. 50:387-99.

Panoff, J.M., Priem, B., Morvan, H. & Joset, F. 1988. Sulphated exopolysaccharides produced by two unicellular strains of cyanobacteria, Synechocystis PCC 6803 and 6714. Arch. Microbiol. 150:558-63.

Parke, M. 1949. Studies on marine flagellates. J. mar. biol. Ass. U.K. 28:255-86.

Parke, M. & Dixon, P.S. 1964. A revised check-list of british marine algae. J. mar. biol. Ass. U.K. 44:499-542.

Parke, M. & Dixon, P.S. 1976. Check-list of marine algae - third revision. J. mar. biol. Ass. U.K. 56:527-94.

Parke, M. & Manton, I. 1968. Preliminary observations on the fine structure of Prasinocladus marinus. J. mar. biol. Ass. U.K. 45:525-36.

Parke, M., Manton, I. & Clarke, B. 1955. Studies on marine flagellates. II. Three new species of Chrysochromulina. J. mar. biol. Ass. U.K. 34:579-609.

Parke, M., Manton, I. & Clarke, B. 1958. Studies on marine flagellates. IV. Morphology and microanatomy of a new species of Chrysochromulina. J. mar. biol. Ass. U.K. 37:209-28.

Parke, M., Manton, I. & Clarke, B. 1959. Studies on marine flagellates. V. Morphology and microanatomy of Chrysochromulina strobilus sp. nov. J. mar. biol. Ass. UK. 38:169-88.

Parker, D.L. 1982. Improved procedures for the cloning and purification of Microcystis cultures (Cyanophyta). J. Phycol. 18:471-7.

Parker, D.L., Schram, B.R., Plude, J.L. & Moore, R.E. 1996. Effect of metal cations on the viscosity of a pectin-like capsular polysaccharide from the cyanobacterium Microcystis flos-aquae C3-40. Appl. Environ. Microbiol. 62:1208-13.

Pascher, A. 1939. Heterokonten. In Rabenhorst's Kryptogam

en-Flora. Akademische Verlagsgesellshaft M.B.H., Leipzig, Vol. 11, 1092 pp.

Pascher, A. & Petrová, J. 1931. Über porenapparate und Bewegung bei einer neuen Bamgiale (Chroothece mobilis). Arch. Für Protistenkd. (Jena) 74(3):490-5222 Talfen 17 and 18.

Pasquale, S.M. & Goodenough, U.W. 1988. Calmodulin sensitivity of the flagellar membrane adenylate cyclase and signaling of motile responses by cAMP in gametes of Chlamydomonas reinhardtii. Botanica Acta 101:118-22.

Patrone, L.M., Broadwater, S.T. & Scott, J.L. 1991. Ultrastructure of vegetative and dividing cells of the unicellular red algae Rhodella violacea and Rhodella maculata. J. Phycol. 27:742-53.

Payne, J.K. & Stewart, J.R. 1988. The chemical composition of the thallus wall of Characiosiphon rivularis (Characiosiphonaceae, Chlorophyta). Phycologia 27:43-9.

Payne-Howell, R. & Pfiester, L.A. 1983. Sexual reproduction of Amphora veneta Kütz. (Bacillariophyta), with a special look at the initial cell and its perizonium. J. Phycol. 19 (abstr. suppl.):11.

Pennington, F.C. 1985. Carotenoids of cryptophyceae. Bioch. Syst. Ecology. 13:215-9.

Peterfi, L.S. & Manton, I. 1968. Observations with the electron microscope on Asteromonas gracilis Artari emend. (Stephonoptera gracilis (Artari) Wisl.), with some comparative observation on Dunaliella sp. Br. phycol. Bull. 3:423-40.

Pfiester, L.A. 1976. Sexual reproduction of Peridinium willei. J. Phycol. 12:234-8.

Pfiester, L.A. & Skvarla, J.J. 1980. Comparative ultrastructure of vegetative and sexual thecae of Peridinium limbatum and Peridinium cinctum (Dinophyceae). Am. J. Bot. 67:955-8.

Pickett-Heaps, J.D. & Wetherbee, R. 1987. Spindle function in the green alga Mougeotia: absence of anaphase-A correlates with postmiotic nuclear migration. Cell Motility and Cytoskeleton 7:68-77.

Plude, J.L., Parker, D.L., Schommer, O.J., Timmerman, R.J., Hagstrom, S.A., Joers, J.M. & Hnasko R. 1991. Chemical characterization of a polysaccharide from the slime layer of the cyanobacteium Microcystis flos-aquae C3-40. Appl. Environ. Microbiol. 57:1696-1700.

Prasatik-Cole, S. & Brand, J.J. 1983. Genetic transfer of clumping phenotype in Anacystis nidulans. Curr. Microbiol. 8:141-6.

Pratt, R. 1941. Studies on Chlorella vulgaris. IV. Influence of the molecular proportions of KNO3, KH2PO4, and MgSO4 in the nutrient solution on the growth of Chlorella. Am. J. Bot. 28:492-7.

Prezelin, B.B. & Haxo, F.T. 1976. Purification and characteristics of PCP from the marine dinoflagellates Glenodinium sp. and Gonyaulax polyedra. Planta 125:133-41.

Prezelin, B.B., Ley, A.C. & Haxo, F.T. 1976. Effects of growth irradiance on the phytosynthetic action spectra of the marine dinoflagellate Glenodinium sp. Planta 30:251-6.

Prince, J.S. & Baker, S. 1984. Batophora largoensis, new species (Chlorophyta, Dasycladaceae) from South Florida - Genetic confirmation. Bull. Mar. Sci. 34:330-4.

Prince, J.S. & Baker, S. 1984. Batophora largoensis, new species (Chlorophyta, Dasycladaceae) from South Florida - Morphological and ultrastructural evidence. Bull. Mar. Sci. 34:321-9.

Pringsheim, E.G. 1930. Neue Chlamydomonadaceen, welche in Reinkultur gewonnen wurden. Arch. Protistenk. 69:95-102.

Pringsheim, E.G. 1936. Zur Kenntnis saprotropher Algen und Flagellaten. I. Mitteilung. Über Anhaufungskulturen polysaprober Flagellaten. Arch. Protistenk. 87:96.

Pringsheim, E.G. 1942. Contributions to our knowledge of saprophytic algae and flagellata. III. Astasia, Distigma, Menoidium, and Rhabdomonas. New Phytol. 41:171-205.

Pringsheim, E.G. 1946. The biphasic or soil-water culture method for growing algae and flagellata. J. Ecol. 33:193-204.

Pringsheim, E.G. 1955. Über Ochromonas danica n. sp. und andere Arten der Gattung. Arch. Mikrobiol. 23:181-92.

Pringsheim, E.G. 1959. Kleine Mitteilungen über Flagellaten und Algen. V. Gonium quadratum nov. sp. Arch. Mikrobiol. 32:429-36.

Pringsheim, E.G. 1966. Nutritional requirements of Haematococcus pluvialis and related species. J. Phycol. 2:1-7.

Pringsheim, E.G. & Pringsheim, O. 1952. Experimental elimination of chromatophores and eye-spot in Euglena gracilis. New Phytol. 51:65-76.

Pringsheim, E.G. & Pringsheim, O. 1956. Kleine Mitteilungen über Flagellaten und Algen. IV. Porphyridium cruentum und Porphyridium marinum. Arch. Mikrobiol. 24:169-73.

Pröschold, T., E.H. Harris and A.W. Coleman.  2005.  Portrait of a species:  Chlamydomonas reinhardtii.  Genetics 170:  1601-1610.

Pröschold, T., Marin, B., Schlösser, U.G. & Melkonian, M. 2001. Molecular phylogeny and taxonomic revision of Chlamydomonas (Chlorophyta). I. Emendation of Chlamydomonas Ehrenberg and Chloromonas Gobi, and description of Oogamochlamys gen. nov. and Lobochlamys gen. nov. Protist 152:265-300.

Provasoli, L. 1963. Growing marine seaweeds. Proc. Int'l. Seaweed Symp. 4:9-17. Pergamon Press, New York.

Provasoli, L., McLaughlin, J.J.A. & Droop, M.R. 1957. The development of artificial media for marine algae. Arch. Mikrobiol. 25:392-428.

Provasoli, L. & Pintner, I.J. 1959. Artificial media for freshwater algae; problems and suggestions. In Tryon, C.A. & Hartman, R.T. [Eds.] The Ecology of Algae. Special Publication No. 2. Pymatuning Laboratory of Field Biol. University Pittsburgh, pp. 84-96.

Provasoli, L., Yamasu, T. & Manton, I. 1968. Experiments on the resynthesis of symbiosis in Convoluta roscoffensis with different flagellate cultures. J. mar. biol. Ass. U.K. 48:465-78.

Puncochárová, M. 1990. Culture Collection of Algae at the Department of Botany, Faculty of Natural Science, Charles University in Prague (CAUP). Arch. Protistenk. 138:143- 58.

Ramus, J., Kenney, B.E. & Shaughnessy, E.J. 1989. Drag reducing properties of microalgal exopolymers. Biotechnol. Bioeng. 33:550-6.

Rayburn, W.C. & Starr, R.C. 1974. Morphology and nutrition of Pandorina unicocca sp. nov. J. Phycol. 10:42-9.

Reimann, B.E.F. & Lewin, J.C. 1964. The diatom genus Cylindrotheca Rabenhorst (with a reconsideration of Nitzschia closterium). J. Roy. Microsc. Soc. 83:283-96.

Reymond, O.L. & Hegewald, E. 1987. Les caracteristiques ultrastructurales de la cellule vegetative et du kyste chez Paradoxia multiseta (Chlorophyceae, Chlorococcales). Arch. Sc. Genève 40:65-76.

Richardson, F.L. & Brown, T.E. 1970. Glaucosphaera vacuolata, its ultrastructure and physiology. J. Phycol. 6:165-71.

Rippka, R., Deruelles, J., Waterbury, J., Herdman, M. & Stanier, R.Y. 1979. Generic assignments, strain histories and properties of pure cultures of cyanobacteria. J. Gen. Micribiol. 111:1-61.

Rippka, R., Neilson, A., Kunisaua, R. & Cohen-Bazire, G. 1971. Nitrogen fixation by unicellular blue-green algae. Arch. Mikrobiol. 76:341-8.

Ritchie, R.J. & Larkum, A.W.D. 1982. Cation exchange properties of the cell walls of Enteromorpha intestinalis (L.) Link. (Ulvales, Chlorophyta). J. Exp. Bot. 33:125-39.

Rizzo, P.J. & Burghardt, R.C. 1982. Histone-like protein and chromatin structure in the wall-less dinoflagellate Gymnodinium nelsoni. BioSystems 15:27-34.

Rizzo, P.J. & Nooden, L.D. 1973. Isolation and chemical composition of dinoflagellate nuclei. J. Protozool. 20:666-72.

Roberts, K.R., Farmer, M.A., Schneider, R.M. & Lemoine, J.E. 1988. The microtubular cytoskeleton of Amphidinium rhynchocephallum (Dinophyceae). J. Phycol. 24:544-53.

Rogers, R.J., Connole, M.D., Norton, J., Thomas, A., Ladds, P.W. & Dickson, J. 1980. Lymphadenitis of cattle due to infection with green algae. J. Com. Path. 90:1-9.

Roizes, G., Nardeux, P. & Monier, R. 1979. A new specific endonuclease from Anabaena variabilis. FEBS Letters 104:39-44.

Roncel, M., Navarro, J.A. & De La Rosa, M.A. 1989. Coupling of solar energy to hydrogen peroxide production in the cyanobacterium Anacystis nidulans. Appl. Envir. Microbiol. 55:483-7.

Ronström, E. & Bergman, B. 1989. Glycolate metabolism in cyanobacteria. I. Glycolate excretion and phosphoglycolate phosphatase activity. Physiol. Plant. 75:137-43.

Rosowski, J.R. & Hoshaw, R.W. 1988. Advanced anisogamy in Chlamydomonas monadina (Chlorophyceae) with special reference to vacuolar activity during sexuality. Phycologia 27:494-504.

Rosowski, J.R. & Parker, B.C. [Eds.] 1971. Selected Papers in Phycology. Department of Botany, University of Nebraska, Lincoln, 876 pp.