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Definition of Penny grass
1. Noun. Foetid Eurasian weed having round flat pods; naturalized throughout North America. 
Exact synonyms: Fanweed, Field Pennycress, French Weed, Mithridate Mustard, Stinkweed, Thlaspi Arvense
Group relationships: Genus Thlaspi, Thlaspi
Generic synonyms: Pennycress
Group relationships: Genus Thlaspi, Thlaspi
Generic synonyms: Pennycress



