Pliszko, Artur, and Kinga Kostrakiewicz-Gierałt. 2017. “Seed Germination in Solidago ×niederederi (Asteraceae) and Its Parental Species After Two Different Fruit Storage Periods”. Biodiversity: Research and Conservation 48 (December):19-24. https://doi.org/10.1515/biorc-2017-0013.