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Wild flowers east of the Rockies Page . INDIAN HEMP Apocynum cannabinum SPREADING DOGBANE Apocynum androsaemifolium Page Illustration biodiversitylibrary org title Reed Chester NameFound Apocynum androsaemifolium NameConfirmed Apocynum androsaemifolium EOLID NameBankID NameFound Apocynum cannabinum NameConfirmed Apocynum