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 On Potato Sucrose Agar (PSA). Colonies. After 4 days growth ranges from 4.3-5.5 cm diam., with a mean ñ SD = 5.05 ñ 0.4, with floccose, aerial mycelium violet white and dull violet pigmentation. On Potato Dextrose Agar (PDA). Colonies. After 10 days growth varies from 7.8-8.57 cm length, with a mean ñ SD = 8.25 ñ 0.31; aerial mycelium pale violet and pigmentation grayish violet; mycelium producing "chlamydospores" not observed. Conidia. Of two types; macroconidia curved, cylindrical, 26-55 × 3.5-4.5 μm, 3- to 5-septate, commonly 3-septate, each with a beaked apical cell and notched or foot-shaped basal cell; microconidia strongly curved, allantoid, 6-10 × 2.5-3.5 μm, 0- to 1-septate, produced singly, or in false heads from monophialidic conidiogenous cells. Notes. This species grows on Glycerol Nitrate Agar (G25N) and produces white or yellowish white aerial mycelium and yellowish pigmentation; growth on mannitol medium exceeds 4 cm diam., with reddish white mycelium and red pigmentation; growth on Czapek-Dox Iprodione Dichloran Agar (CZID) is less than 5 cm diam., with white or pinkish white aerial mycelium and brownish gray or purplish grey pigmentation; growth on Dichloran Chloramphenicol Peptone Agar (DCPA) is less than 5 cm diam. 

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© Ahmed Abdel-Azeem

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