| 21. | A pioneer species, it regenerates quickly in disturbed habitats such as logged forest and previously-cultivated land.
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| 22. | These spores grow and form symbiotic association, the lichen, which act as pioneer species of bare rocks.
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| 23. | This shrub is a pioneer species that can sometimes be found in disturbed habitat such as roadsides.
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| 24. | However, as with many pioneer species, the seeds of the bleeding heart have a long dormancy period.
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| 25. | First to advance were woody pioneer species that were quick to spread, such as birch and pine.
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| 26. | It is an important pioneer species which colonises coastal dunes, binding loose sand with its horizontal runners.
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| 27. | For example, spores of lichen or fungus, being the pioneer species, are spread onto a land of rocks.
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| 28. | Secondary succession in the tropics begins with pioneer species, which are rapidly growing and include vines and shrubs.
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| 29. | It is a pioneer species that easily fills forest clearings, and it has been considered for reforestation efforts.
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| 30. | The plant is undemanding and frost hardy and colonizes disrupted and inaccessible places as a short-lived pioneer species.
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