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Leaf surface
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| 12/16/2002
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Leaf surface
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| 12/16/2002
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Small rosette
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| 12/16/2002
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Small rosette
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| 12/16/2002
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Leaf surface and prickles
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| 01/04/2003
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Small rosette
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| 01/04/2003
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Small rosette
|
| 02/22/2003
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Small rosette with more round leaves
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| 02/22/2003
|
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Large rosette
|
| 03/22/2003
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Flower bud ready to open
|
| 05/19/2003
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Prickles on leaf tip
|
| 05/19/2003
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Flowers open
|
| 06/11/2003
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Mature habit
|
| 06/11/2003
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| Stems |
| 06/11/2003
|
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Flower head
|
| 06/22/2003
|
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| Flowers |
| 06/22/2003
|
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Canada thistle on the left, bull thistle on
the right
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| 06/22/2003
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Mature seed
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| 07/24/2003
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Mature seed
|
| 08/15/2003
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