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Posidonia robertsoniae is a rhizomatous seagrass native to the southern coastal waters of Western Australia, growing in clumping stands on sand. It is a marine plant, not a garden or houseplant, so home growing is not practical.
Posidonia robertsoniae is one of the seagrasses of Western Australia, submerged flowering plants that occur in the southern coastal waters.
Posidonia robertsoniae is recorded at coasts of Southwest Australia, from Warnbro Sound to Israelite Bay.
Species code: Pa · Species code: Pc · Mediterranean tapeweed · Species code: Pf · Neptune Grass
Text excerpted from the Wikipedia article Posidonia robertsoniae by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
