In TSA, they can form grey colonies with black centers and dentated borders that look similar to flowers (C. gravis), or continuous borders (C. mitis), or a mix between the two forms (C. intermedium).
TSA’l võivad tekkida hallikad kolooniad mustade tsentritega ning sakiliste piiridega, nähes välja kui lilled (C. gravis), pideva piirjoonega (C. mitis) või segu kahest erinevast vormist (C. intermedium).