Ludwigia polycarpa Short & Peter

Idaho: Kootenai County: [locality and coordinates withheld; status in Idaho: S1 (Critically Imperiled; IDNHP)],
Fen habitats ranging from rich to poor. Rich fens dominated by Potentilla palustris, Sparganium eurycarpum, Sagittaria latifolia, Eleocharis palustris, Glyceria borealis, Carex utriculata, C. vesicaria, Typha latifolia, Sphagnum teres. Poor fen dominated by Sphagnum centrale, S. angustifolium, C. lasiocarpa, C. limosa, Spiraea douglasii. Shallow lake littoral zones dominated by Nuphar polysepalum and Brasenia schreberi; deep littoral zones by Potamogeton amplifolius, P. zosteriformis, P. praelongus, Myriophyllum sibericum, Elodea canadensis. Abundance: common on saturated disturbed peat adjacent to beaver lodge. Phenology: Flowers.

Robert Bursik 1656, Sep 5, 1988
With Fred Rabe
ID, Accession: 110903, Barcode: ID086184