Rhizopus species

A very rapidly-growing fungi that produce either brownish-gray or reddish gray-brown colonies within four days, when incubated at 25oC (77oF). It has worldwide distribution but is found primarily in the tropical and subtropical areas. It has been isolated from soil, desert soil, children=s sandpits, sand dunes, salt marshes, mines, bat caves, fresh and salt water, plants, and foodstuffs. Rarely, certain species can be opportunistic human pathogens causing zygomycosis.

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