Achillea millefolium f. rubicunda (Farw.) Farw. accepted as Achillea millefolium L. (original description)
Achillea millefolium var. borealis (Bong.) Farw. accepted as Achillea millefolium subsp. borealis (Bong.) Breitung (original description)
Artemisia borealis var. canadensis (Michx.) Bush (original description)
Artemisia glauca var. dracunculoides (Pursh) Bush accepted as Artemisia dracunculus L. (original description)
Erigeron philadelphicus f. purpureus (Aiton) Farw. accepted as Erigeron philadelphicus Michx. accepted as Erigeron quercifolius Pursh accepted as Erigeron philadelphicus Michx. (original description)
Solidago humilis subvar. spatulata Farw. (original description)
Solidago humilis var. reducta Farw. accepted as Solidago uliginosa Nutt. (original description)
Solidago purshii var. racemosa (Greene) Farw. accepted as Solidago simplex var. racemosa (Greene) G.S.Ringius (original description)