Ba zan iya samun ma'anar "Field Pennycress" a cikin kowane ƙamus ba. Koyaya, zan iya gaya muku cewa Field Pennycress (Thlaspi arvense) nau'in tsiro ne na dangin Brassicaceae. Wata ciyawa ce gama-gari a Arewacin Amurka da Turai, kuma galibi ana samunta a filayen noma da wuraren zama masu tada hankali. Itacen yana da ƙananan furanni farare kuma yana samar da ƙananan iri waɗanda iska ta warwatsa. Duk da cewa an yi la'akari da matsayin ciyawa, Field Pennycress an yi nazari akan yuwuwar amfani da shi a matsayin amfanin gona na biofuel da kuma ikonsa na cire manyan karafa daga gurbataccen ƙasa.