Bog Jacob'S-Ladder
Polemonium vanbruntiae Britton

Polemonium vanbruntiae, known as Bog Jacob's-Ladder, is a flowering plant in the family Polemoniaceae. It is native to eastern Canada and the northeastern United States.
Description
Polemonium vanbruntiae is a member of the Polemoniaceae family and is found in regions including New Brunswick, Quebec, Vermont-US, Maine, Maryland, New Jersey, New York, Pennsylvania, Québec, Vermont, and West Virginia. It is commonly referred to as Bog Jacob's-Ladder or Appalachian Jacob's Ladder. This species was first described in 1892 by Britton.
Other common names
Bog Jacob'S-LadderJacob'S LadderVan Brunt'S Jacob'S-LadderVan Brunt'S PolemoniumVanbrunt'S Polemonium
Distribution
New Brunswick · Quebec · Vermont-US · Maine · Maryland · New Jersey · New York · Pennsylvania · Québec · Vermont · West Virginia
Synonyms
Polemonium caeruleum subsp. vanbruntiaePolemonium acutiflorum subsp. vanbruntiae