Definition of Thamnidium
: a genus (the type of the family Thamnidiaceae) of molds related to the typical bread molds and characterized by branched sporangiophores and sporangia consisting of a large terminal one with a columella and smaller lateral sporangioles without columella — compare whisker 2c
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Origin and Etymology of thamnidium
New Latin, from thamn- + -idium
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