Covetta dei prati (Cynosurus cristatus)
Caption: USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 252.

Covetta dei prati (Cynosurus cristatus)
Caption: Otto Wilhelm Thomé: Flora von Deutschland, Österreich und der Schweiz (1885) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Covetta dei prati (Cynosurus cristatus)
Caption: Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Monaco di Baviera, Botanischer Garten München-Nymphenburg ., Baviera, Germania, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License

Covetta dei prati (Cynosurus cristatus)
Caption: Jacob Sturm, Johann Georg Sturm - Deutschlands Flora in Abbildungen (1796). - This image is in the public domain because its copyright has expired.