Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 100.
The Prefecture of Luleå [1], 22/06/1732, ¶480:
There I found ‘Barba senum’ [Mat-grass], an unusual grass that is called Coffee Beard in Småland. In Piteå they call it ‘Pig’s Bristle’.