| 1. | They rise from a particular stone siphon, situated underground in calcareous rock.
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| 2. | They mainly can be found on northern exposed siliceous or calcareous rocks.
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| 3. | It is found in rich mesic forests, often over calcareous rocks.
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| 4. | The Raialo Group consists predominantly of mafic volcanic and calcareous rocks.
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| 5. | Erosion by water and wind has shaped the calcareous rock into grottoes and arches.
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| 6. | The species are restricted to calcareous rocks, and occur only on vertical, exposed rock faces.
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| 7. | The habitat is calcareous rock barrens and saline washes.
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| 8. | Throughout the vineyard is a mix of calcareous rocks, clay, loam, sand, sandstone and silt.
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| 9. | Ca�apava do Sul produces 80 % of the calcareous rock mined in Rio Grande do Sul.
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| 10. | Its native habitat of steep wet slopes with calcareous rocks is rare in western North Carolina.
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