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The biosystematics of Arnica fulgens and A. sororia (Asteraceae)
1987
Canadian Journal of Botany
DOWNIE, S. R., and K. E. DENFORD. 1987. The biosystematics of Amicafilgens and A. sororia (Asteraceae). Can. J . Bot. 65: 559 -570. Amicafilgens Pursh and A. sororia Greene are sympatric throughout most of their ranges in northwestern United States and adjacent southwestern Canada. These taxa were previously recognized as two morphologically overlapping varieties or not very well separated species. A study of their floral and vegetative morphology, using TAXMAP cluster analyses, foliar
doi:10.1139/b87-072
fatcat:qtqepo2hsngqlom53fhs27kg6u