Stinging Nettle (Urtica holosericea)
| Leaf: coarsely saw-toothed. 2 to 5 inches long on stem.
The stems are covered with barbed hairs that release formic acid when they
pierce the skin. |
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| Leaf: Big Canyon - 6-Jun-02 |
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| Leaf: Big Canyon - 8-Dec-03 |
| Date: 12/8/2003 |