Compositae source details
(2001). Rhodora 103(914)
327915
2001
Publication
Date
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Heterotheca sessiliflora var. echioides (Benth.) Semple accepted as Heterotheca sessiliflora subsp. echioides (Benth.) Semple (original description)
Heterotheca sessiliflora var. fastigiata (Greene) Semple accepted as Heterotheca fastigiata (Greene) V.L.Harms (original description)
Oreostemma alpigenum subsp. haydenii (Porter) Semple accepted as Oreostemma alpigenum var. haydenii (Porter) G.L.Nesom (original description)
Heterotheca sessiliflora var. fastigiata (Greene) Semple accepted as Heterotheca fastigiata (Greene) V.L.Harms (original description)
Oreostemma alpigenum subsp. haydenii (Porter) Semple accepted as Oreostemma alpigenum var. haydenii (Porter) G.L.Nesom (original description)
