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Unknown Thistle

Observed: 14th July 2011 By: wolvobirder
Black Country and Staffordshire Naturalists
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Description:

- Vertical purple banding on stems.
- Stems not winged and hardly spiked.
- Many plants/stems clustered together over a fairly wide, ~ 1m area.
- tallest stem 70cm.

Identifications
Species interactions

No interactions present.

Species with which Canada Thistle (Cirsium arvense) interacts