Plantae > Tracheophyta > Magnoliopsida > Gentianales > Apocynaceae > Asclepias > Asclepias michauxii Asclepias michauxii (Michaux's milkweed)Synonyms: Asclepias angustifolia (heterotypic); Asclepias suaveolens (heterotypic); Gomphocarpus angustifolius
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