title: Species of the genus Phragmidium (Pucciniales) as parasites of brambles (Rubus: Rosaceae) in Ukraine
abstract: Four species of the genus Phragmidium that parasitize plants of the genus Rubus in Ukraine are reported. Of them, Phragmidium acuminatum has not been recorded for more than 90 years, since its last report in 1933. This species is a specialized parasite of the stone bramble (Rubus saxatilis), which according to modern views belongs to Rubus subg. Melanobatus. Three other species are widespread in Ukraine. Phragmidium rubi-idaei parasitizes raspberries (Rubus idaeus) of the subgenus Idaeobatus. Ph
journal: Ukrainian Botanical Journal