Assertion: grouse's food | /r/HasProperty | knotweed
Facets:
Source sentences:
text: Foods include arctic willow, dwarf birch, tufted saxifrage, purple saxifrage, nodding saxifrage, arctic poppy, sulphur buttercup, knotweed, longstalk starwort, bistort, flattop draba, mountain avens, bilberry, blueberry, bearberry, crowberry, lingonberry, horsetail, and seeds of various grasses and sedges.