Libero Ajello, 1916 – 2004

Aspergillus versicolor

Pigmentation of Aspergillus versicolor colonies ranged from pale green to greenish-beige, pink-green, dark green and brown. Reverse is usually reddish. The growth rate is usually slow. Cultured on Sabouraud dextrose agar with chloramphenicol.

Aspergillus versicolor

A Colonies on MEA after one week; B, C conidial heads with tip of conidiophire, x920; D conidial head, x 2330; E conidial heads x920

Aspergillus versicolor

Aspergillus restrictus

A Colonies on MEA + 20% sucrose after one week; B detail of colony showing columnar conidial heads x 44 ; C conidial heads x 920; D conidia x2330

Aspergillus piperis

Scanning electron micrograph photo of conidia. Scale bar: 1 µm.

Aspergillus piperis

Conidia

Aspergillus penicillioides

Conidia-forming head and culture plate

Aspergillus niger

Cultures are grown on malt extract agar for 5-7 days at 30°C.
Light microscopy-1000x stained with lacto-phenol and cotton blue.

Aspergillus chevalieri

A Colonies on MEA +20% sucrose after one week; B ascomata x 40; C conidiophores x 920; D ascospores x2330; E ascoma x 230; F portion of ascoma with asci and ascospores, x 920.

Bilateral nodules in allogeneic bone marrow transpant patient