Abstract
A new species,Sphaeromeria ruthiae, from Zion National Park, and three new combinations,S. martirensis,S. compacta, andS. potentilloides var.nitrophila, are presented. Morphological and anatomical evidence is used to support the recognition ofSphaeromeria as distinct fromTanacetum.
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Holmgren, A.H., Shultz, L.M. & Lowrey, T.K. Sphaeromeria, a genus closer to Artemisia than to Tanacetum (Asteraceae: Anthemideae). Brittonia 28, 255–262 (1976). https://doi.org/10.2307/2805836
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DOI: https://doi.org/10.2307/2805836