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Diasporangium

Diasporangium is a genus of water moulds. It contains the single species Diasporangium jonesianum, described in 1936 by German mycologist Willy Höhnk. Known from the United States and Germany, where it grows in soil, D. jonesianum can cause root rot in various plants. It has a spherical oogonium up to 25  µm in diameter, with a oospore that almost fills the oogonium.