Cicuta subfalcata GreeneMontana: Gallatin National Forest. Elev. 5000 ft.
Wet places. Common name "poison hemlock." Roots poisonous. Phenology: Flowering and Fruiting.
Holotype: Cicuta subfalcata Greene. Published 1912. Leafl. Bot. Observ. Crit. 2: 237. 1912.Lee Marston 106, Aug 29, 1911
USFS, Accession: 460748, Barcode: USFS0030027