Margaret Neilson Armstrong, Penstemon cyananthus, 1913 (source).

Penstemon cyananthus Watercolour and brown ink by Margaret Neilson Armstrong Image and text courtesy The Metropolitan Museum of Art

London: J. White 1799 (biodiversitylibrary.org)

Thirty-eight plates, with explanations intended ti illustrate Linnaeus's System. 1788 : Illustrations by Fredrick Nodder - Biodiversity Heritage Library Scabiola

Pinterest
Search