Arnica louiseana var. griscomii (Fernald) B.Boivin accepted as Arnica griscomii Fernald (new combination reference)
Arnica mollis var. piperi (St.John & Warren) B.Boivin (original description)
Artemisia campestris var. douglasiana (Besser) B.Boivin (original description)
Carduus nutans var. macrocephalus (Desf.) B.Boivin accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman (original description)
Chrysanthemum arcticum var. polaris (Hultén) B.Boivin (original description)
Chrysanthemum balsamita f. tanacetoides (Boiss.) B.Boivin accepted as Tanacetum balsamita L. (original description)
Cirsium foliosum var. minganense (Vict.) B.Boivin accepted as Cirsium foliosum (Hook.) DC. (original description)
Cirsium undulatum var. franktonis B.Boivin accepted as Cirsium undulatum (Nutt.) Spreng. (original description)
Crepis occidentalis var. cytotaxonomicorum (B.Boivin) B.Boivin (original description)
Erigeron philadelphicus var. provancheri (Vict. & Rouss.) B.Boivin (original description)
Erigeron speciosus var. conspicuus (Rydb.) B.Boivin accepted as Erigeron speciosus (Lindl.) DC. (original description)
Erigeron uniflorus var. eriocephalus (J.Vahl) B.Boivin accepted as Erigeron eriocephalus J.Vahl (original description)
Erigeron uniflorus var. unalaschkensis (DC.) B.Boivin accepted as Erigeron humilis Graham (original description)
Haplopappus spinulosus subsp. glaberrimus (Rydb.) B.Boivin (original description)
Haplopappus spinulosus var. glaberrimus (Rydb.) B.Boivin (original description)
Haplopappus uniflorus var. linearis (D.D.Keck) B.Boivin accepted as Pyrrocoma linearis (D.D.Keck) Kartesz & Gandhi (original description)
Helianthus alexidis B.Boivin (original description)
Helianthus nuttallii var. rydbergii (Britton) B.Boivin accepted as Helianthus nuttallii subsp. rydbergii (Britton) R.W.Long (original description)
Helianthus nuttallii var. subtuberosus (Britton) B.Boivin accepted as Helianthus giganteus L. (original description)
Lactuca tatarica f. stevensii B.Boivin (original description)
Lactuca tatarica var. heterophylla (Nutt.) B.Boivin (original description)
Matricaria maritima var. nana (Hooker) B.Boivin (original description)
Pachythamnus (R.M.King & H.Rob.) R.M.King & H.Rob. (original description)
Pachythamnus crassirameus (B.L.Rob.) R.M.King & H.Rob. (original description)
Senecio integerrimus var. lugens (Richardson) B.Boivin accepted as Senecio lugens Richardson (original description)
Solidago ptarmicoides (Torr. & A.Gray) B.Boivin (original description)