Nash, John (1893 - 1977)
Wikipedia: John Nash
The Art of Botanical Illustration: Modern Botanicals
Nees von Esenbeck, Christian Gottfried Daniel (1776 - 1858)
Wikipedia: Christian Gottfried Daniel Nees von Esenbeck
MushroomtheJournal: Nees von Esenbeck
Newton, Amanda A. (fl. 1896 - 1928)
Selected work of Amanda Newton
Nodder, Frederick Polydore (fl. 1778)
The Endeavor Botanical Illustrations
See:
Frederick Polydore Nodder, ichthyology
North, Marianne (1830 - 1890)
Marianne North and the Marianne North Gallery
Wikipedia: Marianne North
Plant Explorers: Marianne North
VictorianWeb: Marianne North