Ludwigia peploides (Kunth) P.H. Raven ssp. montevidensis (Spreng.) P.H. Raven
Annotated by Brenda Grewell, Sep 2016. Remarks: DAV

Washington: King County: Artificial pond near Taylor Creek, just east of corner of Maxwell Road southeast and Southeast 208th Street, 3.5 air kilometers northeast of Shadow Lake, Maple Valley. Elev. 85 m.
47.4158° N, 122.0407° W
Coordinate Source: Specimen Label.
Full sun, shallow water, with Ludwigia palustris, Phalaris. Floating aquatic to 2 meters long, some plants with a few white inflated spongy roots, emergent flowering stems, dark green shiny leaves, pale veins, flowers 27-31 millimeters diameter, erect or ascending, bright yellow petals, orange at base, 16-20 x 13-17 millimeters, sepals 9-11 millimeters, fruits 22-30 millimeters, 5-angled, on nodding pedicels 25-40 millimeters; locally common adventive. Sheet 2 of 2. Phenology: Flowers and Fruits.

Peter F. Zika 28379, Aug 31, 2016
WTU, Accession: 414011, Barcode: WTU-V-029409