Lindernia dubia (L.) PENNELL: A NEW INVASIVE IN THE ROMANIAN BANAT

In this paper we reporte the presence of the species Lindernia dubia (L.) Pennell in the flora of Banat (SW Romania) and at the same time we present a new place for this species in Romania. We found the species on the lake Surduc area. This is a 362 ha artificial lake, a protected area (nature reserve of national interest). We found Lindernia dubia here for the first time in 2005, in flooded areas periodically (on clay soils), on the shore of the lake as well as in the nearby arable fields. We suppose he arrived here with the fish he brought to populate his lake or by seeds brought through the birds. The size of the population depends on the fluctuation of water level. Being an invasive species, we believe it is necessary to monitor it; Sîrbu and Oprea (2011) say it extends into characteristic habitats while Doroftei and Anastasiu (2014) consider it one of the most abundant invasive species from the Danube Delta.