Sporangia of bread mold
Sporangia grow at the end of stalks, which appear as (a) white fuzz seen on this bread mold, Rhizopus stolonifer. The (b) tips of bread mold are the spore-containing sporangia.
Source
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"OpenStax College, Classifications of Fungi. October 17, 2013."
http://cnx.org/content/m44625/latest/Figure_24_02_03abf.jpg
OpenStax CNX
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