@inbook {57,
	title = {Ruppia L.},
	booktitle = {Flora Iberica},
	volume = {XVII},
	year = {2010},
	pages = {88-92},
	author = {Talavera, S. and Garc{\'\i}a-Murillo, P.}
}
@article {38,
	title = {Chromosome numbers and a new model for karyotype evolution in Ruppia L. (Ruppiaceae)},
	journal = {Aquatic Botany},
	volume = {45},
	year = {1993},
	pages = {1-13},
	doi = {10.1016/0304-3770(93)90048-2},
	author = {Talavera, S. and Garc{\'\i}a-Murillo, P. and Herrera, J.}
}
