A Monograph of the Genus Ageratum L. (Compositae-Eupatorieae)
Johnson, Miles F
Article
1971
Annals of the Missouri Botanical Garden
58
6--88
BioStor
English
St. Louis, Missouri Botanical Garden Press, 1914-
BioStor: https://biostor.org/reference/11958 DOI: https://doi.org/10.2307/2394925
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