Phyllospadix - Research project by Erika MarĂn-Spiotta provides plenty of information on this seagrass which is the only flowering plant genus that grows predominantly in the littoral zone. - http://www.mbari.org/staff/conn/botany/seagrass/erika/index.htm
Description of Cymodoceaceae - Botanical details of this family. - http://delta-intkey.com/angio/www/cymodoce.htm