witchgrass
Noun
Meaning
Any of several grasses, of the genus Panicum, often found as a weed.
couch grass (a European grass that spreads rapidly, Elymus repens)
Source: en.wiktionary.orgSynonyms
panicum
couch grass
quack grass
quackgrass
dog grass
Agropyron repens
quick grass
old witch grass
old witchgrass
Panicum capillare