Cladophialophora Coccidioides sp. Dermatophytes Epicoccum spp. Zygomycetes Rhizopus spp. Description Colonies are rapid growing, often filling the Petri dish, cottony and dense, at first white, becoming brownish gray in color.
Sporangiophores are dark, solitary or in clusters, arising opposite rhizoids at a node.
Sporangia are globose with flattened bases. Columellae are hemispherical. Sporangiospores are 1-celled, globose to ovoid, hyaline to brown, smooth or striated. Salient characteristics Rhizopus species form globose sporangia on simple sporangiophores that arise opposite rhizoids at the nodes of the stolons. Rhizopus differs from Absidia, Mucor , and Rhizomucor by having simple sporangiophores arising opposite rhizoids at nodes.