Posidonia Seeds (image) Virginia Institute of Marine Science Share Print E-Mail Caption Seeds of Posidonia species growing in areas with stronger currents have larger wings. From L to R: Posidonia coriacea (strongest currents, largest wings), P. australis, and P. sinuosa (weakest currents, smallest wings). Credit Dr. Gary Kendrick, University of Western Australia. Usage Restrictions One-time use only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.