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B. nigra

From Wikipedia, the free encyclopedia

B. nigra may refer to:

  • Ballota nigra, a perennial herb of the family Lamiaceae
  • Betula nigra, a species of birch native to the eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and east Texas
  • Brassica nigra, the black mustard, an annual weedy plant cultivated for its seeds, which are commonly used as a spice

See also

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