Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
Annotated by P. F. Zika, 2016. Remarks: WTU

Washington: Cowlitz County: Solo Slough, Mount Solo Road, 100 meters north of junction with Route 432. Elev. 32 ft.
46° 9.8' N, 123° 1.5' W; T8N R3W S23
With Myriophyllum aquaticum, Cabomba caroliniana, Lemna minuta, Elodea canadensis, Chara, Wolffia columbiana, Wolffia brasiliensis. Orange-based bright yellow petals, buds and fruit nod; long runners in water, common emergent aquatic. Reference specimen for illustration in Revision of Flora of the Pacific Northwest, WTU Herbarium, 2016. Phenology: Flowers & Fruits.

Peter F. Zika 19011, Sep 10, 2003
WTU, Accession: 379193, Barcode: WTU-V-026801