Mucor aseptatophorus (MFLU 21–0145) a–c columella with collar d branching of sporangiophores e, f developing sporangium g short sporangiophore with sporangium h rhizoids i granular content in mycelium j sporangiospores k front and reverse of the colony in MEA. Scale bars: 10 µm (a–c, e–h, j); 20 µm (d, i).