Rhizopus arrhizus is a fungus of the family Mucoraceae, characterized by sporangiophores that arise from nodes at the point where the rhizoids are formed and by a hemispherical columella.

[1] Metabolism in the fungus changes from aerobic to fermentation at various points in its life cycle.

[3] Holzberg & Artis 1983 finds a hydroxamate siderophore and Shenker et al. 1992 provides a method for detection of a carboxylate.

[4] This fungus colonizes grape after another pathogen has begun degrading tissues and as such is better diagnosed by molecular diagnostics, especially in early stages when the difference between single and complex infection is not visually tractable.

[5] Rhizopus arrhizus can be used for bio-remediation, i.e., is useful in treating uranium and thorium-affected soils.