tall Jacob ladder —  Polemonium acutiflorum {phlox family — Polemoniaceae}
Flora of the Yukon Territory, Cody, p. 493a
 { 1/80 sec, f3.5} – {Grey Mountain, Whitehorse, Yukon} – {20/07/08 Sunday, July 20, 2008; 3:29:26 PM}