Thoreau writes in his journal:
Diplopappus linariifolius in prime. River gone down more than I expected after the great rise, to within some eighteen inches of low-water mark, but on account a freshet. 1 have seen no Bidens Beckii nor chrysanthemuoides nor Polygonum amphibium var. aquaticum in it, nor elsewhere the myriophyllums this year. The witchhazel at Conantum just begun here and there . . .