They are roughly circular with fimbriate edges. Thiabendazole and difenoconazole are effective on C. fimbriate (). The pappus is a crown of short fimbriate scales. The gill edges, which are slightly fimbriate, are the same colour or paler. Host resistance has been found and used successfully against C. fimbriate on sweet potatoes (). The flowers have separated triangular stigmas with fringes (fimbriate) borne on long divided styles. Unusually, it also has a fimbriate (fringed), almost beard-like crest.