@inbook {575,
	title = { Ruppiaceae},
	booktitle = {Flora Fanerog{\^a}mica do Estado de S{\~a}o Paulo},
	volume = {3},
	year = {2003},
	pages = {295-296},
	publisher = {Instituto de Bot{\^a}nica},
	organization = {Instituto de Bot{\^a}nica},
	edition = {Wanderley, M.G.L.; Shepherd, G.J.; Melhem, T.S.; Giulietti, A.M. \& Kirizawa, M. (eds.)},
	address = {S{\~a}o Paulo},
	url = {https://www.infraestruturameioambiente.sp.gov.br/institutodebotanica/wp-content/uploads/sites/235/2016/02/Ruppiaceae.pdf},
	author = {Pirani, J.R.}
}
@article {416,
	title = {Is asexual reproduction more important at geographical limits? A genetic study of the seagrass Zostera marina in the Ria Formosa, Portugal},
	journal = {Marine Ecology Progress Series},
	volume = {265},
	year = {2003},
	pages = {77-83},
	doi = {10.3354/meps265077},
	author = {Billingham, M.R. and Reusch, T.B.H. and Alberto, F. and Serr{\~a}o, E.A.}
}
@article {377,
	title = {Phylogenetic relationships in the genera Zostera and Heterozostera (Zosteraceae) based on matK sequence data},
	journal = {Journal of Plant Research},
	volume = {116},
	year = {2003},
	pages = {273{\textendash}279},
	doi = {10.1007/s10265-003-0090-x},
	author = {Tanaka, N. and Kuo, J. and Omori, Y. and Nakaoka, M. and Aioi, K,}
}
@article {296,
	title = {Depth-related variability in the photobiology of two populations of Halophila johnsonii and Halophila decipiens},
	journal = {Marine Biology},
	volume = {142},
	year = {2003},
	pages = {1219-1228},
	doi = {10.1007/s00227-003-1038-3},
	author = {Durako, M.J. and Kunzelman, J.I. and Kenworthy, W.J. and Hammerstrom, K.K.}
}
