| Posidonia ostenfeldii den Hartog, 1970 | 
| No Picture Available | 
| Family: | Posidoniaceae () | |||
| Max. size: | ||||
| Environment: | epiphytic; marine | |||
| Distribution: | Eastern Indian Ocean: Australia. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | (LC); Date assessed: 23 October 2007 Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||