western Jacob's-ladder
western Jacob's-ladder (Cook & Sundberg, 2011) is an accepted English vernacular name for:
Polemonium occidentale Greene var. occidentale , an accepted variety name sensu FNA Ed. Comm., in prep. h.
western Jacob's-ladder (Cook & Sundberg, 2011) is an accepted English vernacular name for:
Polemonium occidentale Greene var. occidentale , an accepted variety name sensu FNA Ed. Comm., in prep. h.