Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 28.

Uppland, 12/05/1732, ¶21:

Now the winter rye stood half a foot high and the barley had newly shown a blade. The birch was beginning to burst forth and all the deciduous trees to show their leaves, apart from the alder and the aspen.