American Water Plantain: Alisma plantago-aquatica

Strict Buckwheat: Eriogonum strictum var. proliferum

Willow Weed: Polygonum lapathifolium

Shore Buttercup: Ranunculus cymbalaria

Bird's-foot Trefoil: Lotus corniculata

Sweetvetch: Melilotus alba

White Clover: Trifolium repens

Common St. John's Wort: Hypericum perforatum

Common Centaury: Centaurium erythraea

Field Morning Glory: Convolvulus arvensis

Bracted Verbena: Verbena bracteata

Field Mint: Mentha arvensis

Peppermint: Mentha piperita

Slender False Pimpernel: Lindernia anagallidea

Common False Pimpernel: Lindernia dubia

Purple-stem Monkey Flower: Mimulus floribundus

Lewis' Monkey Flower: Mimulus lewisii - 2000 is the only season I have seen this montane species along the lower Deschutes River, so it definitely is not established here.

Water Speedwell: Veronica anagallis-aquatica

Annual Burweed/ Bur Ragweed: Ambrosia acanthicarpa

Western Wormwood: Artemisia ludoviciana

Douglas' Aster: Aster subspicatus

Eaton's Aster: Aster eatonii

Western Aster: Aster occidentalis var. intermedius

Nodding Beggar Ticks: Bidens cernua

Leafy Beggar Ticks: Bidens frondosa (Almost in bloom.)

Hairy Gold Aster: Chrysopsis villosa

Gray Rabbit Brush: Chrysothamnus nauseosus var. albicaulis

Green Rabbit Brush: Chrysothamnus viscidiflorus var. lanceolatus

Horseweed: Conzya canadensis

Thread-leaf Fleabane: Erigeron filifolius

Lowland Cudweed: Gnaphalium palustre

Low Gumweed: Grindelia nana var. integrifolia

Western Goldenrod: Solidago occidentalis