title: Nomenclatural and taxonomic notes on Jacobaea borysthenica (Asteraceae) and some related taxa
abstract: Following our recent lectotypification (with a specimen from G-DC) of the name Senecio praealtus Bertol. var. borysthenicus DC. validated by de Candolle based on Andrzejowski's and Besser's specimens from Ukraine, we provide here information on additional original specimens of that taxon (KW: Besser and Turczaninow historical collections), which is now recognized as Jacobaea borysthenica (DC.) B.Nord. & Greuter and which was until recently widely accepted as Senecio borysthenicus (DC.) Andrz. ex
journal: Ukrainian Botanical Journal