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| Kingdom Plantae |
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Oclemena X blakei (Porter) G.L. Nesom – accepted
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Oligoneuron rigidum var. humile (Porter) G.L. Nesom – not accepted – stiff goldenrod, hardleaf goldenrod
|
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Oreostemma alpigenum var. haydenii (Porter) G.L. Nesom – accepted – tundra aster, alpine aster
|
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Symphyotrichum cordifolium var. lanceolatum (Porter) G.L. Nesom – not accepted
|
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Symphyotrichum cordifolium var. polycephalum (Porter) G.L. Nesom – not accepted
|
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Symphyotrichum lowrieanum (Porter) G.L. Nesom – not accepted – Lowrie's blue wood aster |
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