Common & scientific name
Hemlock parsley, Conioselinum scopulorum
Family
Parsley, Apiaceae
Location
Linkins Lake, 12,000’
Fun, weird, helpful, or little known fact
The sheath on the single stem leave (midway up the plant—see photo below) is the defining feature of this uncommon, water-loving parsley. PRESUME it’s poisonous owing to its name, but can’t find info one way or the other (?)