De synantrope flora van het Rotterdamse havengebied: bijzondere vondsten en het Conyzo-Cynodontetum dactyli nieuw voor Nederland

This paper discuss the most significant results of a floristic and phytosociological study that was conducted in the Rotterdam Port complex in 2004. The paper presents a list of 42 synanthropic plant species that were found in the Rotterdam Port complex and introduces the association Conyzo- Cynodontetum dactyli Eliáš 1979 (the alliance Convolvulo-Agropyrion repentis Görs 1966) as a new plant community for the vegetation of the Netherlands. This association was found in Hook of Holland.