* 1. Strict Buckwheat: Eriogonum strictum var. proliferum

* 2. Puncture-vine: Tribulus terrestris

* 3. Tall Annual Willowherb: Epilobium brachycarpum (E. paniculatum)

* 4. Riverbank Wormwood: Artemisia lindleyana

* 5. Diffuse Knapweed: Centaurea diffusa - Some still in bloom.

* 6. Hairy Goldaster: Chrysopsis villosa

* 7. Horseweed: Conyza canadensis

* 8. Columbia Coreopsis: Coreopsis atkinsoniana

* 9. Gray Rabbit Brush: Ericameria nauseosa var. albicaulis - Beginning to bloom.

* 10. Columbia River Gumweed: Grindelia columbiana

* 11. Low Gumweed: Grindelia nana var. integrifolia

* 12. Hoary Aster: Machaeranthera canescens