Materials for a flora of Serbia from the herbarium collection PZZP (4)

This article presents the fourth part of data on selected new and noteworthy taxa originating from the revision of Herbarium collection of the Institute for Nature Conservation of the Vojvodina province (PZZP). Selected taxa include 13 species, two subspecies, 1 variety and two nothospecies placed within 11 genera (Malus Mill., Marrubium L., Marsilea L., Medicago L., Melampyrum L., Melica L., Melilotus Mill., Menyanthes L., Pholiurus Trin., Plantago L. and Ranunculus L.). One species (Malus dasyphylla) is new for a flora of Vojvodina province. Also, one subspecies (Melica ciliata subsp. magnolii) and one variety (Melampyrum nemorosum var. heterotrichum) are confirmed for Serbia while one species (Menyanthes trifoliata) is confirmed for Vojvodina province.