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Silphium perfoliatum (Cup Plant)
| Date | Action |
| Aug 12 2009 | Frank (2698) deleted "cup-plant" from Common Names |
| Aug 05 2009 | Canadian Chelsea (41) uploaded an image. View |
| Aug 05 2009 | Canadian Chelsea (41) uploaded an image. View |
| Jun 09 2009 | Canadian Chelsea (41) added an opinion |
| Jun 09 2009 | Canadian Chelsea (41) added "Opposite" to Leaf Shape |
| Jun 09 2009 | Canadian Chelsea (41) added "Green - Dark" to Leaf Colour |
| Jun 09 2009 | Canadian Chelsea (41) added "Deer Resistant" to Wildlife Value |
| Jun 09 2009 | Canadian Chelsea (41) added "Butterflies (nectar source)" to Wildlife Value |
| Jun 09 2009 | Canadian Chelsea (41) added "Bees" to Wildlife Value |
| Jun 09 2009 | Canadian Chelsea (41) added "Yellow/Gold" to Bloom Colour |
