Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 111.

Jokkmokk, 02/07/1732, ¶551:

Also ‘Euphrasia’ [eyebright]5 about the same size as the common sort but with quite different flowers in that they were rather small like ‘Tetrahit flore majori et minori’ [Common Hemp-nettle].