Two species of knotweed (Polygonum species): flowering stems. Coloured lithograph by W. G. Smith, c. 1863, after himself.

  • Smith, Worthington George, 1835-1917.
Date:
[1863-1880]
Reference:
24490i

Licence: Public Domain Mark

Credit: Two species of knotweed (Polygonum species): flowering stems. Coloured lithograph by W. G. Smith, c. 1863, after himself. Wellcome Collection. Source: Wellcome Collection.

no text alternative