| Oregon Flora Image Project | |
| Carduus pycnocephalus L. | Italian thistle - exotic, naturalized Asteraceae: Cardueae |
Click on an image for a larger version. All images © Gerald D. Carr unless otherwise noted.
| Weaver Rd., ca. 1.5 mi. N of Riddle, Douglas Co., OR, 4/28/2009 | Weaver Rd., ca. 1.5 mi. N of Riddle, Douglas Co., OR, 4/28/2009 | Weaver Rd., ca. 1.5 mi. N of Riddle, Douglas Co., OR, 4/28/2009 |
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