WoRMS source details
(1987). in S.L. Welsh et al., Utah Fl. (Great Basin Nat. Mem. 9)
319815
1987
Publication
Date
action
by
Machaeranthera canescens var. latifolia (A.Nelson) S.L.Welsh accepted as Dieteria canescens var. canescens (Pursh) Nutt. (original description)
Viguiera longifolia var. annua S.L.Welsh accepted as Heliomeris longifolia var. annua (M.E.Jones) (original description)
Viguiera longifolia var. annua S.L.Welsh accepted as Heliomeris longifolia var. annua (M.E.Jones) (original description)