Sesama genus Polemonium (59 spesies):

• Northern jacob's-ladder (Polemonium boreale)
• Brandegee's jacob's-ladder (Polemonium brandegeei)
• Charity (Polemonium caeruleum)
• Moving polemonium (Polemonium californicum)
• Royal jacob's-ladder (Polemonium carneum)
• Mason's jacob's-ladder (Polemonium chartaceum)
• Elegant jacob's-ladder (Polemonium elegans)
• Skypilot (Polemonium eximium)
• Towering jacob's-ladder (Polemonium foliosissimum)
• Alpine jacob's-ladder (Polemonium foliosissimum var. alpinum)
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Sesama famili Polemoniaceae (674 spesies):

• Rabbit Valley gilia (Aliciella caespitosa)
• Aztec gilia (Aliciella formosa)
• San Juan gilia (Aliciella haydenii)
• Cactus flat gilia (Aliciella heterostyla)
• Desert pale gilia (Aliciella hutchinsifolia)
• Broad-leaf gilia (Aliciella latifolia)
• Sand gilia (Aliciella leptomeria)
• Lott's gilia (Aliciella lottiae)
• Mcvicker's gilia (Aliciella mcvickerae)
• Dainty gilia (Aliciella micromeria)
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