Source: AGRICOLA database (1970-1996)

Chowdhury, S. A., N. Sultana, et al. (2000). Manure based duckweed production in shallow sink : Effect of genera on biomass and nutrient yield of duckweed under the same nutritional and management conditions. Asian Australasian Journal of Animal Sciences. May 13(5): 686-693. {a} Bangladesh Livestock Research Institute, Savar, Dhaka, 1341, Bangladesh

Kuoh, C. S., M. J. Yang, et al. (2000). The flower structure and anther dehiscence of Wolffia arrhiza (Lemnaceae). Taiwania . March 45(1): 30-37. {a} Department of Biology, National Cheng-Kung University, Tainan, Taiwan

Fujita, M., K. Mori, et al. (1999). Nutrient removal and starch production through cultivation of Wolffia arrhiza. Journal of Bioscience and Bioengineering. Feb. 87(2): 194-198. {a} Department of Environmental Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan

Agendia, P., T. Fonkou, et al. (1998). The appearance of two duckweed species in sewage effluents in Yaounde (Cameroon), and their possible use for sewage treatment and feed production. Bulletin of the Geobotanical Institute ETH 64: 63-68. {a} Wastewater Res. Unit, Univ. Yaounde, I Dep. Plant Biol., P.O. Box 8404, Yaounde, Cameroon

Krajncic, B., J. Nemec, et al. (1998). Promotion of flowering by Mn-EDDHA in the long-short-day plant Wolffia arrhiza (L.) Horkel ex Wimm. Journal of Plant Physiology 153(5-6): 777-780. Fac. Agric., Univ. Maribor, Vrbanska 30, 2000 Maribor, Slovenia

Parkhomenko, I. M., L. V. Nevzgodina, et al. (1998). Studies of the radiation-induced effects of low-let and high-let radiations in the populations of Wolffia arrhiza: Effect of gamma-irradiation on viability and morphosis level in the populations of Wolffia arrhiza. Radiatsionnaya Biologiya Radioekologiya. [print] Jan. Feb. 38(1): 78-85. {a} Faculty of Biology, Moscow State University, Moscow, Russia

Vermaat, J. E. and M. K. Hanif (1998). Performance of common duckweed species (Lemnaceae) and the waterfern Azolla filiculoides on different types of waste water. Water Research 32(9): 2569-2576. {a} Int. Inst. Infrastructural Hydraulic and Environ. Eng., P.O. Box 3015, 2601 DA Delft, Netherlands

Landolt, E. (1997). How do Lemnaceae (duckweed family) survive dry conditions? Bulletin of the Geobotanical Institute ETH 63: 25-31. Geobot. Inst. ETH, Zuerichbergstr. 38, 8044 Zuerich, Switzerland

Parker, D. L., H. D. Kumar, et al. (1997). Potassium salts inhibit growth of the cyanobacteria Microcystis spp. in pond water and defined media: Implications for control of microcystin-producing aquatic blooms. Applied and Environmental Microbiology 63(61): 2324-2329. {a} Dep. Biol. Microbiol., Univ. Wisconsin, Oshkosh, WI 54901, USA

Scortegagna, S. (1997). Notes on the flora of the Venetian area of the Po Delta (Rovigo Province). Societa Veneziana di Scienze Naturali Lavori 22: 91-95. Viale Europa Unita, 86, 36015 Schio, Italy

Wolek, J. (1997). Species co-occurrence patterns in pleustonic plant communities (class Lemnetea): Are there assembly rules governing pleustonic community assembly? Fragmenta Floristica et Geobotanica(Suppl. 5): 3-100. {a} Lab. Plant Ecol., W. Szafer Inst. Bot., Polish Acad. Sci., ul. Lubicz 46, PL-31-512 Krakow, Poland

Eprintsev, A. T., A. U. Igamberdiev, et al. (1996). Malate dehydrogenase system of Wolffia arrhiza: Characterization and role in adaptation to darkness and light. Fiziologiya Rastenii Moscow 43(1): 36-42. {a} Dep. Plant Physiol. Biochem., Fac. Biol. Soil Sci., Voronezh State Univ., Universitetskaya pl. 1, 394693 Voronezh, Russia

Ivlev, A. A., N. V. Bykova, et al. (1996). Fractionation of carbon isotopes (carbon-13 and carbon-12) during enzymatic decarboxylation of glycine in vitro by mitochondria from leaves of various plants. Fiziologiya Rastenii Moscow 43(1): 43-48. {a} All-Russ. Geol. Pet. Res. Inst., sh. Entuziastov 36, 105819 Moscow, Russia

Kesel, R. and T. Goedeke (1996). Wolffia arrhiza, Azolla filiculoides, Lemna turionifera and some more thermophilous plant species in Bremen. Messengers of a climate change? Abhandlungen Naturwissenschaftlichen Verein zu Bremen 43(2): 339-362. Inst. Oekol. Evolutionsbiol., Abt. Geobotanik Naturschutz, FB 2/NW 2, Univ. Bremen, D-28334 Bremen, Germany

Leonard, J. (1996). On four Lemnaceae from Chad. Bulletin du Jardin Botanique National de Belgique 65(3-4): 331-335. Jardin Bot. Natl. Belgique, Domaine Bouchout, B-1860 Meise, Belgium

Baulina, O. I., R. Ehwald, et al. (1995). Yeast immobilization in carrier particles of plant origin: An electron-microscopic study. Mikrobiologiya 64(4): 519-525. {a} Dep. Cell Physiol. Immunol., Fac. Biol., M.V. Lomonosov Mosc. State Univ., 119899 Moscow, Russia

Crawford, D. J. and E. Landolt (1995). Allozyme divergence among species of Wolffia (Lemnaceae). Plant Systematics and Evolution 197(1-4): 59-69. {a} Dep. Plant Biol., Ohio State Univ., 1735 Neil Ave., Columbus, OH 43210, USA

Ehwald, R., P. Klein, et al. (1995). Permeation chromatography on extracted Wolffia. Phytochemical Analysis 6(5): 233-238. {a} Humboldt University, Fac. Natural Sciences I, Biol. Inst., Invalidenstrasse 42, D-10115 Berlin, Germany

Kleine, R., S. Achienbach, et al. (1995). Whey disposal by deproteinization and fermentation. Acta Biotechnologica 15(2): 139-148. {a} Fachhochschule Anhalt, Lehr- und Forschungsgebiet Biochem., Bernburger Str. 52-57, 06366 Koethen, Germany

Richter, E., R. Ehwald, et al. (1995). Yeast entrapment in duckweeds: Immobilization performance and biomass localization within the support particles. Acta Biotechnologica 15(2): 149-159. {a} Humboldt-Univ. zu Berlin, Math.-Nat. Fakultaet I, Inst. Biol., Invalidenstrasse 43, 10115 Berlin, Germany

Igamberdiev, A. U. and I. V. Zabrovskaya (1994). Effect of light, carbon nutrition and salinization on oxidative metabolism in Wolffia arrhiza. Fiziologiya Rastenii Moscow 41(2): 237-244. {a} Dep. Plant Physiol. Biochem., Voronezh Univ., Universitetskaya pl. 1, 394693 Voronezh, Russia

Kleine, R., S. Achenbach, et al. (1994). Environmentally friendly disposal of dairy wastewaters. BIOENGINEERING Graefelfing 10(4): 8-12. {a} Lebensmittel, Biotechnol. Fac. Anhalt, Koethen, Germany

Krajncic, B. (1994). Synergistic effect of GA-3 and EDDHA on the promotion of flowering in the long-short-day plants Wolffia arrhiza (L.) Wimm. Acta Pharmaceutica Zagreb 44(4): 333-338. College Agric., Univ. Maribor, Vrbanska 30, 62000 Maribor, Slovenia

Landolt, E. (1994). Taxonomy and ecology of the section Wolffia of the genus Wolffia (Lemnaceae). Berichte des Geobotanischen Institutes der Eidgenoessischen Technischen Hochschule Stiftung Ruebel Zuerich(60): 137-151. Geobot. Inst. ETH, Zurichbergstr. 38, CH-8044 Zurich, Switzerland

Landolt, E. (1994). The Lemnaceae of Zimbabwe and Botswana. Berichte des Geobotanischen Institutes der Eidgenoessischen Technischen Hochschule Stiftung Ruebel Zuerich(60): 110-136. Geobot. Inst. ETH, Stiftung Rubel, Zurichbergstr. 38, CH-8044 Zurich, Switzerland

Rudat, A. and R. Ehwald (1994). Induction of betacyanin formation in Chenopodium album cell cultures by co-cultivation with the duckweed Wolffia arrhiza. Plant Cell Reports 13(5): 291-294. {a} Inst. Ecol., Humboldt Univ. Berlin, Luisenstr. 53, D-10117 Berlin, Germany

Asturias, J. A. and K. N. Timmis (1993). Three different 2,3-dihydroxybiphenyl-1,2-dioxygenase genes in the gram-positive polychlorobiphenyl-degrading bacterium Rhodococcus globerulus P6. Journal of Bacteriology 175(15): 4631-4640. {a} Dep. Microbiol., National Res. Center Biotechnol., D-3300 Braunschweig, Germany

Eichhorn, M., G. Doehler, et al. (1993). Impact of UV-B radiation on photosynthetic electron transport of Wolffia arrhiza (L.) Wimm. Photosynthetica Prague 29(4): 613-618. {a} Inst. Gen. Botany, Univ. Jena, Von Hase-Weg 3, D-07743 Jena, Germany

Kanekar, P., M. S. Kumbhojkar, et al. (1993). Wolffia arrhiza (L.) Wimmer and Spirodella polyrrhiza (L.) Schleiden as test plant systems for toxicity assay of microbially treated dyestuff waste water. Journal of Environmental Biology 14(2): 129-135. {a} Dep. Microbiol., M.A.C.S. Res. Inst., Law College Road, Pune-411 004, India

Monselise, E. B. I. and D. Kost (1993). Different ammonium-ion uptake, metabolism and detoxification efficiencies in two Lemnaceae: A nitrogen-15 nuclear magnetic resonance study. Planta Heidelberg 189(2): 167-173. Dep. Chem., Ben-Gurion Univ. Negev, Beer-Sheva 84105, Israel

Edwards, P., M. S. Hassan, et al. (1992). Cultivation of duckweeds in septage-loaded earthen ponds. Bioresource Technology 40(2): 109-118.

Xylaender, M. and H. Augsten (1992). Different sensitivities of some Lemnaceae to nickel. Beitraege zur Biologie der Pflanzen 67(1): 89-99. Friedrich-Schiller-Universitaet Jena, Institut fuer Allgemeine Botanik, von-Hase-Weg 3, D-O-6900 Jena

Engst, W., M. Petrzika, et al. (1991). Analysis of fatty acid composition of biomass lipids. Nahrung 35(7): 695-700.

Karbaum, C. and R. Kleine (1991). The use of plant cell vesicles for immobilization of yeast cells producing ethanol. Acta Biotechnologica 11(3): 287-290.

Klinkova, G. Y. (1991). Flora of water bodies in the Volgograd Oblast. Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody Otdel Biologicheskii 96(3): 88-96.

Wolek, J. (1991). Synusial assemblages of pleustonic plants of the genera Lemna, Spirodela, Wolffia, Salvinia, Hydrocharis, Riccia and Ricciocarpus. Berichte Des Geobotanischen Institutes Der Eidgenoessischen Technischen Hochschule Stiftung Ruebel Zuerich(57): 193-202.

Awashti, A. K. (1990). Influence of Wolffia arrhiza extracts on vegetative growth and yield of wheat crop. Acta Botanica Indica 18(1): 71-75.

Eichhorn, M., G. Hermann, et al. (1990). Fast effect of phytochrome on the photosynthetic electron transport. Biochemie Und Physiologie Der Pflanzen 186(4): 201-207.

Mavrina, L., R. Ehwald, et al. (1990). Hemapheresis using a vesicular packing material of plant origin. Folia Haematologica 117(3): 435-442.

Awasthi, A. K. and A. C. Shukla (1989). Correlative studies of EDTA-photoperiodic growth and moisture relationships of Wolffia arrhiza. Acta Botanica Indica 17(2): 245-247.

Richter, E., R. Ehwald, et al. (1989). Immobilization of yeast cells in plant cell wall frameworks. Applied Microbiology And Biotechnology 32(3): 309-312.

Eichhorn, M. and H. Augsten (1988). Influence of light quality on the ribosomal RNA levels in Wolffia arrhiza: Comparison of phosphate and magnesium limited chemostat populations. Biologia Plantarum 30(2): 131-135.

Kepczynski, K. and A. Kniola (1988). New localities for Wolffia arrhiza, new record (L.) Wimm. in the Zglowiaczka valley (Wloclawek Province) (Poland). Acta Universitatis Nicolai Copernici Biologia 32: 97-104.

Mavrina, L. A., R. Ehwald, et al. (1988). Blood chromatography on a biological support of plant origin. Gematologiya I Transfuziologiya 33(7): 60-63.

Zaluski, T. (1988). Relict and rare plant species from the vicinity of Gorzno and Nowe Miasto Lubawskie (Poland). Acta Universitatis Nicolai Copernici Biologia 29: 99-114.

Garve, E. (1987). Status of the plant recording program in Lower Saxony (West Germany) and report of the cross-country meetings of 1986. Floristische Rundbriefe 21(1): 55-68.

Wejnar, R. and U. Gundermann (1987). Studies on photosynthetic pigments in Lemnaceae: I. The pigment content of indigenous Lemnaceae. Limnologica 18(2): 405-408.

Eichhorn, M. and H. Augsten (1986). Photoregulated RNA metabolism: Aspects of the messenger RNA processing in Wolffia arrhiza. Wissenschaftliche Zeitschrift Der Friedrich Schiller Universitaet Jena Naturwissenschaftliche Reihe 35(5): 577-590.

Liebert, H. P. and H. Augsten (1986). The influence of light on nitrate reductase activity in Lemna gibba L. and Wolffia arrhiza (L.) Wimm. as dependent on conditions of cultivation. Wissenschaftliche Zeitschrift Der Friedrich Schiller Universitaet Jena Naturwissenschaftliche Reihe 35(5): 647-652.

Naskar, K., A. C. Banerjee, et al. (1986). Yield of Wolffia arrhiza from cement cisterns with different sewage concentrations, and its efficacy as a carp feed. Aquaculture 51(3-4): 211-216.

Szalma, E. and G. Bodrogkozy (1985). Phytocenology of Wolffietum arrhizae: 60. Element content of its species components as well as sediment and water samples. Tiscia 20: 45-54.

Sarosiek, J. and N. H. Wozakowska (1984). The effect of calcium and magnesium on the radiosensitivity of Wolffia arrhiza. Acta Societatis Botanicorum Poloniae 53(3): 399-410.

Butorac, B. and V. Stojsic The results of preliminary investigations of aquatic vegetation in the regional park "Stari Begej". Tiscia Szeged 26: 29-36. Provincial Dep., Nature Protection, 21000 Novi Sad, Yugoslavia