| 1. | It prefers calcareous soils, at an altitude up to above sea level.
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| 2. | It natural habitat is mesic forests and savannas, often in calcareous soil.
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| 3. | Its preferred habitat is calcareous soils in small forests and irrigated land.
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| 4. | It prefers to grow in well drained soils, containing limestone, or calcareous soils.
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| 5. | It is typically found in open woodland on moist calcareous soils.
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| 6. | It occurs mostly in deciduous woodland or coniferous forests, especially in calcareous soils.
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| 7. | This is ancient coppice woodland with ash on wet calcareous soils.
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| 8. | It is an calcareous soils with a neutral pH, tolerating only slight acidity.
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| 9. | In Britain, all collections have been made in beech forest on calcareous soil.
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| 10. | Nearly 2 million years ago, the island was calcareous soil and forms freshwater ponds.
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