black knapweed
Centaurea nigra L.

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  1. Descriptor:           

    Plant(s) (3)
    Flower(s) (2)
    Seed(s) (2)
    Seedling(s) (1)

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Field (6)
Laboratory (2)

  1. Author:                  

    Bruce Ackley (4)
    Cindy Roche (2)
    Joseph M. DiTomaso (2)

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8 Images    

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5437855
5437855
Seed(s)
Bruce Ackley

5437856
5437856
Seed(s)
Bruce Ackley

5437858
5437858
Plant(s)
Bruce Ackley

5437857
5437857
Plant(s)
Bruce Ackley

1350055
1350055
Flower(s)
Cindy Roche

1350054
1350054
Plant(s)
Cindy Roche

5374349
5374349
Flower(s)
Joseph M. DiTomaso

5374350
5374350
Seedling(s)
Joseph M. DiTomaso