Two plants, a knapweed (Centaurea jacea) and star-thistle (Centaurea calcitrapa): flowering and fruiting stems. Coloured etching by C. Pierre, c. 1865, after P. Naudin.

  • Naudin, Philibert, active 1870.
Date:
[1865]
Reference:
24667i

Licence: Public Domain Mark

Credit: Two plants, a knapweed (Centaurea jacea) and star-thistle (Centaurea calcitrapa): flowering and fruiting stems. Coloured etching by C. Pierre, c. 1865, after P. Naudin. Wellcome Collection. Source: Wellcome Collection.

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