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[English title] Cyrtomium fortunei, Onoclea sensibilis and Osmunda regalis new for Austria, with an updated conspectus of Austrian neophytic vascular cryptogams [English abstract] Naturalization of Cyrtomium fortunei, Onoclea sensibilis and Osmunda regalis is reported for the first time from Austria. Furthermore, the first records of Adiantum capillus-veneris from the federal states Upper Austria and Vienna are reported. In an updated overview, 11 registered neophytic vascular cryptogams are reported from Austria, and the questionable status of Asplenium ceterach and Salvinia natans is discussed. Spore measurements were performed on specimens of Asplenium ceterach, and the diploid subsp. bivalens could be verified for the first time in Austria. Due to further cultivation of warmth-loving fern species and continuing climate change it can be assumed that further naturalizations of exotic fern taxa will happen in future.
Verwilderungen der Farnarten Cyrtomium fortunei, Onoclea sensibilis und Osmunda regalis werden erstmals für Österreich publiziert, zudem wird über die Erstnachweise von Adiantum capillus-veneris für Oberösterreich und Wien berichtet. In einer aktualisierten Übersicht werden die Funde der 11 bislang registrierten neophytischen Gefäßkryptogamen Österreichs gelistet und der fragliche Status von Asplenium ceterach und Salvinia natans wird diskutiert. Sporenmessungen an Belegen von Asplenium ceterach erbrachten weiters den Erstnachweis der diploiden subsp. bivalens für Österreich. Unter der Voraussetzung einer weiteren Kultivierung wärmeliebender Farnarten und eines sich fortsetzenden Klimawandels mit durchschnittlich höheren Temperaturen ist davon auszugehen, dass künftig weitere Adventivnachweise „exotischer“ Farne bis hin zu lokalen Einbürgerungen in Österreich folgen werden.
alien ferns, F loristic records, neophytes, 106008 Botanik, floristic records, Cyrtomium fortunei, Pteridophyta, 106008 Botany, SDG 13 – Maßnahmen zum Klimaschutz, Austria, Alien ferns, SDG 13 - Climate Action, Neophytes, Onoclea sensibilis, Osmunda regalis
alien ferns, F loristic records, neophytes, 106008 Botanik, floristic records, Cyrtomium fortunei, Pteridophyta, 106008 Botany, SDG 13 – Maßnahmen zum Klimaschutz, Austria, Alien ferns, SDG 13 - Climate Action, Neophytes, Onoclea sensibilis, Osmunda regalis
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