Relationships of
Vertebrate Animals
to this Plant:
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Diodia teres (Rough Buttonweed) [Rubiaceae]
(observations are from Schwartz, Martin et al., Yeatter, and Beal)
Birds
Phasianidae: Tympanuchus cupido (Greater Prairie Chicken) [seeds eaten intermittently during fall & winter & spring for 5 months, seeds comprise 10-25% of the diet in SE Illinois during summer, seeds comprise 21.2% of the diet for adults & 11.8% of the diet for juveniles in Illinois] Swz1945 MZN1951 Yt1943; Turdidae: Sialia sialis (Eastern Bluebird) [seeds are eaten rarely] Be1915, Turdus migratorius (American Robin) [seeds are eaten rarely] Be1915