New records of alien plants – Ludwigia peploides (Kunth) P. H. Raven, Reynoutria sachalinensis (F. Schmidt) Nakai and Nicotiana glauca Graham in Croatia

Authors and affiliation

• Nina Vuković ZA and ZAHO, Faculty of Science, University of Zagreb, Marulićev trg 20/II, HR-10000, Zagreb, Croatia
• Vedran Šegota ZA and ZAHO, Faculty of Science, University of Zagreb, Marulićev trg 20/II, HR-10000, Zagreb, Croatia
• Anja Rimac University of Zagreb, Faculty of Science, Department of Biology, Division of Botany, Marulićev trg 20/II, 10000 Zagreb, Croatia
• Nikola Koletić University of Zagreb, Faculty of Science, Department of Biology, Division of Botany, Marulićev trg 20/II, 10000 Zagreb, Croatia
• Antun Alegro University of Zagreb, Faculty of Science, Department of Biology, Division of Botany, Marulićev trg 20/II, 10000 Zagreb, Croatia

Abstract

Invasive alien species Ludwigia peploides, Reynoutria sachalinensis and nicotiana glauca, currently registered in Croatia with small number of records, were found during fieldwork undertaken mostly through the national monitoring of waters from 2018 to 2020. Ludwigia peploides was previously recorded only once in the River Ilova, the existing data for R. sachalinensis indicate only three confirmed findings, in Čabar, Karlovac and Donja Stubica, while the previous data for n. glauca include several localities in Central and Southern Dalmatia. The new records are as follows: two findings of L. peploides refer to the River Česma (Obedišće and Sišćani); three records of R. sachalinensis refer to Gorski Kotar (Gerovo and Čabar), while n. glauca is newly recorded in the Neretva River Valley (Krvavac) and the island of Krk. Despite their potential invasiveness, all three are still locally naturalized and currently their spread is very slow and limited in Croatia.

Keywords

Invasive species, new records, distribution

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