New localities of Eleusine indica (Poaceae) and Phytolacca esculenta (Phytolaccaceae) in Eastern Hungary

Schmotzer, András (2019) New localities of Eleusine indica (Poaceae) and Phytolacca esculenta (Phytolaccaceae) in Eastern Hungary. STUDIA BOTANICA HUNGARICA, 50 (1). pp. 121-134. ISSN 0301-7001

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Abstract

This paper reports on the new occurrences of two alien species, Eleusine indica and Phytolacca esculenta in Eastern Hungary (in microregions of Great Hungarian Plain and North Hungarian Range units). Previously very scattered observations were documented from this part of the country. This correspondence describes the newly discovered localities of these species and presents the actualised CEU-based grid distribution map. I observed Eleusine indica in 5 new grids in 2018, which might refer to the present expansion of the species on trampled synanthropic habitats (mostly along roads). In the case of Phytolacca esculenta new occurrences increased signifi - cantly our knowledge concerning its distribution. Based on recent floristical investigations carried out between 2008 and 2019, it is registered from 10 microregions covering 37 new CEU grids (representing a 29.6% increase in data compared to previous data). Th e occurrence at Bükkszentkereszt (Bükk Mts) represents the population with the highest altitude record (607 m a.s.l.) so far known in Hungary. The species can colonise with ‘soft invasion’ variable synanthropic habitats, mostly in urban environs, thus some locations outside from the villages were also detected. The importance of the green (garden) waste deposition heaps is also considerable, which can serve as ‘stepping stones’ in the naturalisation process of the species.

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