| 1. | On soft ground, extra beams were used under the holdfast.
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| 2. | The earliest genera had a short holdfast and irregularly structured plates.
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| 3. | Originally known by the Holdfast Bay on 20 January 1837.
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| 4. | The attachment to the substrate is by a small disc shaped holdfast.
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| 5. | Many species use shells and holdfasts to provide stability against strong wave actions.
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| 6. | They frequently have a holdfast at the base.
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| 7. | Only new growth produces the aerial rootlets, called holdfasts, that help ivy cling.
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| 8. | Holdfasts vary in shape and form depending on both the species and the substrate type.
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| 9. | The church, which is dedicated to St Nicholas, serves both Queenhill and Holdfast.
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| 10. | This can weaken the holdfast, eventually resulting in the seaweed being dislodged by storms.
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