C. den Hartog, J. Hennen, Th. M. P.A. Noten, R. J. van Wijk: Chromosome numbers of the European seagrasses. In: Plant Systematics and Evolution, Volume 156 (1/2), 1987, S. 55–59. doi:10.1007/BF00937201JSTOR:23673788
Gitte Petersen, Ole Seberg, Frederick T. Short, Miguel D. Fortes: Complete genomic congruence but non-monophyly of Cymodocea (Cymodoceaceae), a small group of seagrasses. In: Taxon, Volume 63 (1), 2014, S. 3–8. doi:10.12705/631.2
C. den Hartog, J. Hennen, Th. M. P.A. Noten, R. J. van Wijk: Chromosome numbers of the European seagrasses. In: Plant Systematics and Evolution, Volume 156 (1/2), 1987, S. 55–59. doi:10.1007/BF00937201JSTOR:23673788
seagrasses.org
Jens Borum, Tina M. Greve: The four European seagrass species. Chaper 1 in: Jens Borum, Carlos M. Duarte, Dorte Krause-Jensen, Tina M. Greve (editors): European seagrasses: an introduction to monitoring and management. EU project Monitoring and Managing of European Seagrasses (M&MS), EVK3-CT-2000-00044, Report. September 2004, ISBN 87-89143-21-3. download at [1].