| Locality | SW Roach Island, Admiralty Group, Lord Howe Island |
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| Collection date | 16/12/1986 |
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| Collectors (aggregated) | Kraft, G.T., Millar, A.J.K. |
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| Collecting no. | K-LHI-10877 |
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| Latitude | |
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| Longitude | |
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| Habitat | Thalli among turf components on low calcarenite bommies at the base of a southwestern wall of the island. |
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| State | New South Wales |
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| Country | |
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| Determined date | 01/02/2007 |
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| Type | |
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| Family | Dictyotaceae |
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| Genus | Dictyota |
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| Species | ceylanica |
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| Subspecies | |
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| Variety | |
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