#pennycress  any of several plants of the genus Thlaspi
  supertype:  #weed  any plant that crowds out cultivated plants
  member of:  #genus_Thlaspi
  subtype:  #field_pennycress__French_weed__fanweed__pennygras__mithridate_mustard__Thlaspi_arvense  foetid Eurasian weed having round flat pods; naturalized throughout North America

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