Schroeteria Decaisneana, S. Poeltii, and Ciboria Ploettneriana (Sclerotiniaceae, Helotiales, Ascomycota), Three Parasites on Veronica Seeds: First Report of Teleomorphs in Schroeteria Hans-Otto Baral (
[email protected] ) Tübingen, Germany Peter Rönsch private Udo Richter private Alexander Urban University of Vienna: Universitat Wien Julia Kruse Pfalzmuseum für Naturkunde Martin Bemmann private Volker Kummer University of Potsdam Francisco Javier Valencia private Wolfgang Huth private Research Article Keywords: anamorph-teleomorph connection, plant parasite, false smut fungi, seed infection, Veronica hederifolia, Veronica cymbalaria Posted Date: June 11th, 2021 DOI: https://doi.org/10.21203/rs.3.rs-578062/v1 License: This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License Page 1/55 Abstract Three little known, morphologically similar species of Sclerotiniaceae which form their apothecia on fallen stromatized Veronica seeds are described and illustrated in detail based on fresh collections or moist chamber cultures of infected seeds: Ciboria ploettneriana, Schroeteria decaisneana, and Schroeteria poeltii. The former two were found on Veronica hederifolia agg. at different sites of temperate central Europe, the latter on V. cymbalaria in a mediterranean region of Spain. The latter two are anamorph-typied and here reported for the rst time with their teleomorph. Ciboria ploettneriana was described by Kirschstein as Sclerotiniaploettneriana on seeds of V. hederifolia agg. but is currently treated in Ciboria. Based on the reexamination of four syntype specimens in B it became evident that Kirschstein confused the two species on V. hederifolia. A lectotype is therefore designated for S. ploettneriana. Members of Schroeteria are specic plant parasites infecting fruits of different Veronica spp.