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Macroscopic description
1 wk growth: Colony radius 12-13 mm. Mat white.
Advancing zone even. Aerial mycelium absent. 2 wk growth: Colony
radius 32-34 mm. Mat white. Advancing zone even. Aerial mycelium
slightly pellicular. 3 wk growth: Colony radius 53-57 mm. 4
wk growth: Plates partly covered. 6 wk growth: Plates covered.
Mat white. Aerial mycelium pellicular, occasionally with cottony
balls. Odor earthy. Agar unchanged. Not fruiting.
Hyphal system monomitic. Advancing hyphae colorless, 1-2.5 μm diam., thin-walled, simple-septate. Aerial hyphae colorless, clamps difficult to find, 1-2 μm diam., thin- to thick-walled, sparsely branched. .Submerged hyphae colorless, 1.5-3 μm diam., thin-walled, clamps difficult to find, moderately branched. Crystals in the agar. |
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