Answer: allseed

AnswerCrossword Clue
ALLSEEDGoosefoot.
ALLSEEDKnotweed or goosefoot.
ALLSEEDGoosefoot, e.g.
allseedany of various many-seeded plants, as the goosefoot, Chenopodium polyspermum, and the knotgrass, Polygonum aviculare
allseeda plant having many seeds