common St. Johnswort
Hypericum perforatum L.

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  1. Commodity:         

    Weeds (16)
    Understory and Rangeland Plants (2)
    Shrubs (1)

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Field (15)
Laboratory (2)
Museum (1)

  1. Country:                

    United States (17)
    Canada (1)

  1. Author:                  (show all)

    Steve Dewey (3)
    Jamie Nielsen (2)
    John Cardina (2)
    John M. Randall (2)
    Ohio State Weed Lab Archive (2)

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18 Images    

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1552179
1552179
Flower(s)
Ohio State Weed Lab Archive

5474862
5474862
Flower(s)
Rob Routledge

1595149
1595149
Flower(s)
Mark Schwarzlander

0023009
0023009
Flower(s)
Norman E. Rees

1459530
1459530
Flower(s)
Steve Dewey

1459526
1459526
Flower(s)
Steve Dewey

1459525
1459525
Flower(s)
Steve Dewey

1196114
1196114
Flower(s)
Jamie Nielsen

1196113
1196113
Flower(s)
Jamie Nielsen

1552177
1552177
Flower(s)
John Cardina

5392218
5392218
Flower(s)
John M. Randall

5392219
5392219
Flower(s)
John M. Randall

5391655
5391655
Flower(s)
Barry Rice

5374977
5374977
Flower(s)
Joseph M. DiTomaso

1559307
1559307
Flower(s)
Ohio State Weed Lab Archive

1559306
1559306
Flower(s)
John Cardina

1480223
1480223
Flower(s)
Richard Webb

5159100
5159100
Flower(s)
Forest & Kim Starr