WAISBECKER, Anton. Ueber die Variationen einiger Carex Arten. In Oesterr. botan. Zeitschrift, jg. 1897, Nr. 12, s. 1-5Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze. Dostupné na internete: <https://www.jstor.org/stable/23654435>