Murdannia keisak (Hassk.) Hand.-Maz.
Annotated by P. F. Zika, Aug 2005. Sources: FNA.

Washington: Wahkiakum County: Rock east shore of Grays Bay, Columbia River. At Pigeon Bluff, below Altoona-Pillar Rock Road. Elev. 6 ft.
46° 16.5' N, 123° 40.7' W; T9N R8W S9
Damp mowed meadow, low ground. Creeping, in gravel near high tide line; uncommon. Reference specimen for illustration in Revision of Flora of the Pacific Northwest WTU Herbarium, 2016. Phenology: Fertile.

Peter F. Zika 22300, Aug 30, 2005
With David Giblin, Cathy Maxwell, Ben Legler
WTU, Accession: 370883, Barcode: WTU-V-024877