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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