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Wind Cave National Park False Gromwell Seedling
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Wind Cave National Park
Seed Study - Onopordum acanthium
Onopordum acanthium - Scotch Thistle

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Onopordum acanthium - Scotch Thistle

Species: Onopordum acanthium
Common name:
Scotch thistle

Seedling Identification: Beware of confusing this one (in the seedling stage) with the native thistle Cirsium undulatum. There is no reliable way to differentiate between the species until the plants get some size and age.

 

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boxwork

Did You Know?
Wind Cave is one of the longest caves in the world and has an amazing amount of a rare cave formation called boxwork.
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Last Updated: September 27, 2007 at 15:18 MST