Spitzenkorper; phase contrast micrograph of A.nidulans after one day grown at 25°C in minimal media containing 17% gelatin showing spitzenkorper and fungal cell morphology

Aspergillus versicolor

A. versicolor by microscopy showing very long thin conidiophores.

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.