| Betula alba forma occidentalis (Hook.) Fernald (synonym) |
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| Betula alba subsp. occidentalis (Hook.) Regel (synonym) |
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| Betula beeniana A.Nelson (synonym) |
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| Betula elrodiana E.J.Butler (synonym) |
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| Betula fontinalis Sarg. (synonym) |
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| Betula fontinalis var. inopina (Jeps.) Jeps. (synonym) |
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| Betula microphylla var. fontinalis (Sarg.) M.E.Jones (synonym) |
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| Betula microphylla var. occidentalis (Hook.) M.E.Jones (synonym) |
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| Betula obovata E.J.Butler (synonym) |
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| Betula occidentalis subsp. inopina (Jeps.) A.E.Murray (synonym) |
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| Betula occidentalis var. inopina (Jeps.) C.L.Hitchc. (synonym) |
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| Betula occidentalis forma inopina Jeps. (synonym) |
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| Betula papyracea var. occidentalis (Hook.) Dippel (synonym) |
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| Betula papyrifera subsp. occidentalis (Hook.) Hultén (synonym) |
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| Betula papyrifera var. occidentalis (Hook.) Sarg. (synonym) |
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