| 11. | Species of this genus typically parasitise marmots and ground squirrels of holarctic distribution.
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| 12. | Scientists have generally considered it, too, to be a single Holarctic species.
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| 13. | Arvicolinae are Holarctic in distribution and represent one of only a few major hibernate.
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| 14. | One major such effort in the Holarctic is the Yellowstone to Yukon Conservation Initiative.
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| 15. | The Holarctic species " Rhodiola rosea " is used in herbal medicine.
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| 16. | The tribe is mainly native to the Holarctic.
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| 17. | It is widely distributed in the Holarctic region.
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| 18. | Many are holarctic, but a few species are neotropical or occur in eastern Asia.
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| 19. | The evolutionary lineages of the 14 marmot species distributed across the Holarctic are relatively ambiguous.
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| 20. | It has a Holarctic distribution, occurring from Scandinavia to north-western North America.
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