Assertion: heather's flower | /r/AtLocation | some of the tarns
Facets:
Source sentences:
text: Common in damp areas and by high tarns is the so-called cotton grass (actually a sedge), and in some of the tarns the pinky- white flowers of the bog bean may be found or water-starwort, quillwort, shoreweed, water lobelia or floating bur-weed.