Conidiobolus marcoconidius RCEF 6918 a colony on PDA after 3 d at 21 °C b mycelia unbranched at the edge of the colony c hyphal segments d–f primary conidiophores g–j primary conidia k, l primary conidia bearing a single secondary conidium m secondary conidiophore branched at the base and bearing two secondary conidia at each tip n secondary conidiophore branched at the tip o secondary conidiophore branched at the base bearing 2-5 secondary conidia at each branch p, q zygospores formed between adjacent segments of the same hypha r mature zygospores. Scale bars: 100 μm (b, n); 20 μm (c–m, o–r).