Kalmar “genus” tana nufin rarrabuwar ka’idoji na rayayyun halittu da suka haɗa da nau’in nau’i ɗaya ko fiye da ke da alaƙa. A wannan yanayin, "Trichophyton" wani nau'in fungi ne wanda ya hada da nau'i-nau'i da yawa da aka sani don haifar da cututtukan fata a cikin mutane da dabbobi. Saboda haka, kalmar "Trichophyton" tana nufin rukuni na fungi waɗanda ke raba wasu halaye kuma an rarraba su tare a cikin tsarin rarrabuwa na kimiyya.