@article{Pliszko_2018, title={Erigeron acris L. subsp. angulosus (Gaudin) Vacc. (Asteraceae), a new taxon in the flora of Poland}, volume={77}, url={https://www.abc.botanic.hr/index.php/abc/article/view/1693}, abstractNote={<p>The paper reports for the first time the occurrence of <em>Erigeron acris</em> subsp. <em>angulosus</em> in Poland. This rare European temperate plant was found in August 2014 in a former sand and gravel quarry, close to the Sobolewo reservoir in the town of Suwalki, north-eastern Poland. Species composition of the habitat is characterized by a phytosociological releve based on the Braun-Blanquet method, diagnostic characters in comparison to the morphologically similar <em>E. acris</em> subsp. <em>droebachiensis</em> are presented using scanning electron microscopy imaging, and an identification key for <em>E. acris</em> s. l. in Poland is given.</p>}, number={1}, journal={Acta Botanica Croatica}, author={Pliszko, Artur}, year={2018}, month={Apr.} }