Children (66 direct children, 108 direct and indirect children):
Polemonium caeruleum
(tree size 5)
Charity
Polemonium viscosum
(tree size 6)
Sticky polemonium
Polemonium reptans
(tree size 2)
Greek valerian
Polemonium boreale
(tree size 6)
Northern jacob's-ladder
Polemonium acutiflorum
Tall jacob's-ladder
Polemonium californicum
Moving polemonium
Polemonium carneum
(tree size 1)
Royal jacob's-ladder
Polemonium chartaceum
Mason's jacob's-ladder
Polemonium eximium
Skypilot
Polemonium micranthum
Annual polemonium
Polemonium occidentale
(tree size 6)
Western polemonium
Polemonium pectinatum
Washington jacob's-ladder
Polemonium vanbruntiae
Vanbrunt's polemonium
Polemonium pulcherrimum
(tree size 8)
Jacob's-ladder
Polemonium liniflorum
Polemonium pauciflorum
(tree size 3)
Fewflower jacob's-ladder
Polemonium pseudopulchellum
Polemonium pilosum
Polemonium racemosum
Racemose jacob's ladder
Polemonium sumushanense
Polemonium caucasicum
Polemonium chinense
(tree size 2)
Polemonium elegans
Elegant jacob's-ladder
Polemonium grandiflorum
Polemonium hingganicum
Polemonium hultenii
Polemonium hyperboreum
Polemonium macranthum
Polemonium melindae
Polemonium mellitum
Polemonium confertum
(tree size 1)
Rocky mountain jacob's-ladder
Polemonium eddyense
Polemonium sachalinense
Polemonium sibiricum
Polemonium stenocalyx
Polemonium elusum
Polemonium foliosissimum
(tree size 2)
Towering jacob's-ladder
Polemonium glabrum
Polemonium victoris
Polemonium brandegeei
Brandegee's jacob's-ladder
Polemonium himalaicum
Polemonium villosissimum
Polemonium majus
Polemonium nevadense
Nevada jacob's-ladder
Polemonium longii
Long's jacob's-ladder
Polemonium flavum
Polemonium pulchellum
Polemonium yezoense
Polemonium richardsonii
Polemonium mexicanum
Polemonium gayanum
Polemonium dubium
Polemonium rubrum
Polemonium villosum
Polemonium columbianum
Polemonium albiflorum
Polemonium robustum
Polemonium hinckleyi
Polemonium berryi
Polemonium calycinum
Polemonium delicatum
Polemonium lindleyi
Polemonium lemmonii
Polemonium kiushianum
Polemonium intermedium
Polemonium shastense