Polemonium pulcherrimum var. pulcherrimum “Jacob’s Ladder” Polemoniaceae
Missoula, MT
April 25, 2015
Robert Niese
Jacob’s Ladder is an abundant wildflower found on talus slopes or rocky outcrops throughout lower elevations of western Montana. However, in Washington, these plants, while equally common, are restricted to sub-alpine zones and are regularly found above the tree-line.
Northwest Naturalist 