Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: T5 - Secure

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Names and Taxonomy

Taxonomy

Comments: Varieties in Mahonia nervosa are not recognized by Kartesz (1999); in 1994, he had recognized vars. mendocinensis and nervosa. These plants have also been treated in the genus Berberis. LEM 18Feb01.

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