@article {555,
	title = {Fruits and seeds of Ruppia (Potamogetonaceae) from the Pliocene of Yushe Basin, Shanxi, northern China and their ecological implications},
	journal = {Botanical Journal of the Linnean Society},
	volume = {145},
	year = {2004},
	pages = {317{\textendash}329},
	doi = {10.1111/j.1095-8339.2003.00278.x},
	author = {Zhao, L.-C. and Collinson, M.E. and Li, C.-S.}
}
@article {437,
	title = {An Experimental Evaluation of Different Methods of Restoring Phyllospadix torreyi (Surfgrass)},
	journal = {Restoration Ecology},
	volume = {12},
	year = {2004},
	pages = {70-79},
	doi = {10.1111/j.1061-2971.2004.00258.x},
	author = {Bull, J.S. and Reed, D.C. and Holbrook, S.J.}
}
@book {418,
	title = {European seagrasses: an introduction to monitoring and management},
	year = {2004},
	pages = {88},
	url = {http://www.seagrasses.org/handbook/european_seagrasses_high.pdf},
	author = {Borum, J. and Duarte, C.M. and Krause-Jensen, D. and Greve, T.M.}
}
