Vodeno bilje Hrvatske: Podaci proizašli iz herbarijske zbirke ZA

Authors and affiliation

• Antonija Zeko Independent Researcher, Zagreb, Croatia
• Vedran Šegota ZA and ZAHO, Faculty of Science, University of Zagreb, Marulićev trg 20/II, HR-10000, Zagreb, Croatia
• Tihana Vilović Department of Pharmaceutical Botany, Faculty of Pharmacy and Biochemistry, University of Zagreb, Schrottova 39, 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 Divison of Botany, Department of Biology, Faculty of Science, University of Zagreb, Marulićev trg 20/II, 10000 Zagreb, Croatia

Abstract

As many as 963 herbarium sheets featuring 76 aquatic plant taxa from the ZA collection were digitised and published online through the Virtual Herbarium. Aquatic plants have been collected over a period of 176 years, with three peaks (second decade of the 20th century, in the 1940s and 1950s, and in the current decade). Most of the specimens were collected in Croatia and a smaller number in neighbouring and geographically close countries. The importance of the collection is expressed through the specimens of many rare and threatened species, because it represents the only evidence of their presence in Croatia (the regionally extinct Caldessia parnassifolia, as well as Luronium natans, Callitriche platycarpa, C. truncata, C. hermaphroditica, Potamogeton alpinus, P. compressus, P. polygonifolius, Nuphar × spenneriana and Sparganium minimum). The collection in ZA is a valuable source of data about the historical and recent distribution of aquatic plants that constitute a foundation for the estimation of distribution changes, threat assessment and conservation policies.

Keywords

aquatic macrophytes, digitisation, Flora Croatica Database, virtual herbarium

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