Assertion: caviar's egg | /r/ObjectUse | used as a food source
Facets:
value: traditionally
type: OTHER
Source sentences:
text: Cushuro (nostoc sphaericum), also known as cusuro, murmuntu(a), llullucha, macha-macha, rachapa or simpler egg of the rivers, is a blue-green alga that is traditionally used as a food source in the Andes of Peru, Chile and Bolivia, as a natural medicine and organic fertilizer for centuries.