Abdella, M., Tamrat, B. and Sileshi, N. (2007). Soil seed bank analysis and sites description of the Afro-alpine vegetation of Bale Mountains, Ethiopia. Sci. Acad. Publ., 19; 297-387.
Abi, T. A.and Nwosu, P. C. (2009).The effect of oil spillage on the soil of Eleme in Rivers State of the Niger Delta area of Nigeria. Res. J. Environ. Sci., 3(3); 316-320.
Andrade, M., Vega, A. and Marcel, P. (2004). Technical report on heavy metals in the Environment. Department of vegetable Biology and Soil Science, AP 874, 36200, Vigo Spam.
Bernhardt, K. G. and Ulbel, E. (2000). The importance of soil seed banks for the conservation of nearly extinct species: insights from Coleanthus subtilis (Poaceae). University of Natural Resources and Applied Life Sciences, Dept. Int. Biol. Gregor- Mendel-Strasse, Vienna, Austria. 33: p. 1180.
Bossuyt, B. and Hermy, M. (2001). Influence of land use history on seed banks in European temperate forest ecosystems: a review. Ecograph., 24(2); 225-238.
Cabin, R. J. and Marshall, D. L. (2000). The demographic role of soil seed bank i. Temporal and spatial comparison of below and above ground population of desert mustard Lesquerella fendleri. J. Ecol., 88 (2); 283-292.
Cao, M., Tang, Y., Kong, J. and Sheng, C. (1997). Storage and dominants in soil seed bank under the tropical forest of Xinshuangbanna. Acta Bot. Yunn., 19 (2); 177-183.
Dessaint, F., Chandoeuf, R. and Barralis, G. (1991). Spatial pattern analysis of weed seed in the cultivated soil seed bank. J. App. Ecol., 28(2); 721-730.
Epp, G. (1987). The seed bank of Eupatorium odorata along a successional gradient in tropical rainforest in Ghana. J. Trop. Ecol., 3; 139-149.
Hall, J. B. and Okali, D. U. (1979). A structural and woody analysis of woody fallow vegetation near Ibadan, Nigeria. J. Ecol., 67; 321-335.
Hall, J. B. and Swaine, M. D. (1980). Seed stock in Ghanaian forest soils. Biotropica, 12; 256-263.
Howard, M. R. and Hartemink, A. E. (2000): Soil seed bank and growth rates of an invasive species Piper aduncum in the lowland of Paupa New Guinea. J. Trop. Ecol., 16; 243-251.
Hutchinson, J. and Dalziel, J. M. (1954-1972). Flora of West Tropical Africa (Keay, R. W. J. and Hepper, F.N., Eds) Crown Agents Government, London.
Isichei, A., Ekeleme, F. and Jimoh, A. (1986). Changes in a secondary forest in Southwestern Nigeria following a ground fire. J. Trop. Ecol., 2; 249-256.
Major, K. and Pyott, T. (1966). Buried viable seeds in two California bunch grass site and their bearing on the definition of a flora. Vegetatio, 13; 253-282.
Miller, M. (1999). Effects of deforestation on seedbank in a tropical deciduous forest in Western Mexico. J. trop. Ecol., 15; 179-188.
Oke, O., Oladipo, T. and Isichei A. (2006). Seed bank Dynamics and Regeneration in a secondary lowland Rainforest in Nigeria. Int. J. Bot., 2(4); 363-371.
Robert, J. C., Diane, L. M. and Randall, J. M. (2000). The demographic role of seedbanks. ii. Investigation of the fate of experimental seeds of desert mustard Lesquerella fendleri. J. Ecol., 88; 293-302.
Roovers, P., Bossuyt, B., Igodt, B. and Hermy, M. (2006). May seedbanks contribute to vegetation restoration on paths intemperate deciduous forest? Plant Ecol., 187; 25-38.
Rydgreen, K. and Hestmark, G. (1997). The soil propagule bank in a boreal old growth spruce forest: changes with depth and relationship to above ground vegetation. Can. J. Bot., 75(1); 121-128.
Sandrine, G., Shyam, S. P. and Nico, K. (2006). Depth distribution and composition of seed banks under different trees layers in a managed temperate forest ecosystem. Acta Oecol., 29; 283-292.
Sorenson, T. (1948). A method of establishing groups of equal amplitude in plant sociology based on similarity of species content. Biol. Skri., 5(4); 1-34.
Staff, H. and Martins, J. K. (1987). Influence of land use history on seed bank in European temperate forest ecosystems. Ecograph, 24(2); 225-238.
Tacey, W. and Glossop, B. (1980). Topsoil handling and storage effects on woodland restoration in Western Australia. Res. Ecol., 8(2); 196-208.
Thompson, K. and Grime, J. P. (1979). Seasonal variation in the seed bank of herbaceous species in ten contrasting habitats. J. Ecol., 67; 893-921.
Valbuena, L., Nunez, R. and Calvo, L. (2001). The seed bank in Pinus stand regeneration in Spain after wildfire. Ecol., 2; 22-31.
Wellstein, C., Otte, A. and Waldhardt, R. (2007). Seed bank diversity in mesic grasslands in relation to vegetation type management and site conditions. J. Veg. Sci., 18; 153-162.
William, E. D. (1983). Effects of temperature fluctuation, red and far red light and nitrate on seed germination of five grasses. J. App. Ecol., 20; 923-935.
William, G. L. (1993). Soil seed bank in four lower montane forest of Mexico. J. Ecol., 9; 321-337.
Wilson, S. D., Keddy, P. A. and Randall, D. L. (1985). The distribution of Xyris difformis along a gradient of exposure to wave. An experimental study. Can. J. Bot., 63; 1226-1230.