The acorn is the nut of the oaks and their close relatives. It usually contains a seedling surrounded by two cotyledons, enclosed in a tough shell known as the pericarp, and borne in a cup-shaped cupule. From Wikipedia
Charting spawn locations for grass seeds, acorns, weed stems, dandelion tufts, blueberries plus lingonberries delivers a systematic resource roadmap for unlocking shovel functions, constructing a hatchery, advancing tool progression.