Sonchus arvensis L. var. uliginosus (Bieb.) Nyman
Annotated by Peter Lesica, Aug 2008. Remarks: Veronica catenata became a jr synonym of Veronica anagallis-aquatica

Montana: Sheridan County: Medicine Lake, Medicine Lake National Wildlife Refuge. Elev. 592 m.
48.4688° N, 104.4656° W; T31N R56E S5 NW 1/4 SW 1/4 MPM
Coordinate Source: TRS-website.
Silt loam, 1% slope, north aspect. Abundant in an area of hydric soils dominated by Typha latifolia. On the south shore of Medicine Lake and in the Medicine Lake National Wildlife Refuge. Phenology: Flowers and Fruits.

Blaine H.M. Mooers 1414, Sep 21, 1986
With Gloria R.B. Mooers
MONTU, Accession: 107345