Neilreichia 9: 355–388 (2018) Vorläufiger Bericht über Neuerungen in der im Entstehen begriffenen vierten Auflage der Exkursionsflora Manfred A. Fischer1 & Peter Englmaier2 1 Department für Botanik und Biodiversitätsforschung, Universität Wien, Rennweg 14, 1030 Wien, Österreich; E-Mail:
[email protected] 2 Fakultät für Lebenswissenschaften, Universität Wien, Althanstraße 14, 1090 Wien, Österreich, E-Mail:
[email protected] Abstract: Provisional report on novelties approaching the fourth edition of the Austrian Excursion Flora Some geographic, taxonomic, floristic, and nomenclatural changes, for the time being, are re- ported. The geographical range is enlarged as to comprise the entire Eastern Alps, i. e. also the Bavarian Alps, eastern Grisons, the Italian Alps East of lake Como und the Slovenian Alps. In addition to changes mentioned already in Neilreichia 6 (2011) and 7 (2015), the most important changes are: Dryopteridaceae (s. lat.) are split into Athyriaceae, Cystopteridaceae, Dryopteri- daceae s. str., Onocleaceae and Woodsiaceae; Dryopteris lacunosa is a new apogamic species within D. affinis agg. – Aegilops and Triticum are kept separate; Bromus remains s. lat. (including Ceratochloa, Bromopsis, and Anisantha); Festuca includes Drymochloa, Leucopoa, Psilurus, and Vulpia; Lolium s. lat. includes Schedonorus; Koeleria is expanded to include Trisetum spicatum; Gaudinia and Trisetum s. str. remain separate; Pennisetum and Cenchrus are fused; Oloptum is split from Piptatherum; Poa and Bellardiochloa are separated; Psilathera and Sesleriella are split from Sesleria. – Lloydia is included in Gagea. – Neottia s. str. is maintained and Listera thus remains as a paraphyletic genus; Platanthera bifolia consists of two subspecies – Arenaria is split into Eremogone (E.