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Polemonium caeruleum
http://florawww.eeb.uconn.edu/acc_num/199800156.html
Polemonium occidentale (Western Polemonium)
http://www.cwnp.org/photopgs/pdoc/pooccidentale.html
Image of this plant.
Polemonium pulcherrimum
http://www.botany.hawaii.edu/faculty/carr/images/pol_pul_fl.jpg
image
Polemonium reptans
http://www.botanical.com/botanical/mgmh/a/absce001.html
short description and medicinal uses