Knapweed (Centaurea sp.): flowering stem with separate leaf. Coloured engraving after F. von Scheidl, 1770.
Wellcome Collection

Knapweed (Centaurea sp.): flowering stem with separate leaf. Coloured engraving after F. von Scheidl, 1770.

Franz Anton von Scheidl · 1770

CC0 — Public Domain
Wellcome Collection
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