| Plant: Annual or biennial herb, stiff, bristly, 2 to 5 feet tall. |  |
| Flowers: Yellow flower heads 3/8 to 1/2 inch diameter, clustered in short stems at the top of the stalk. |   |
| Leaf: Clasping the stems alternately, 1-1/2 to 6-1/2 inches long, slightly toothed edges with spines along the midrib. |   |
| Flowering period: | May to September |
| Can be found here: | Back Bay Dr. near Salt Dike |
| Native Plant: No | Halophyte: No |
| Family Name: Sunflower |
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Date: 8/4/2005
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