I. Johansen

发表

A preliminary Polypore flora of East Africa.

L. Ryvarden, R. Gilbertson, I. Johansen, 1981 .

Specific identification of Clavibacter michiganense subsp. sepedonicum by DNA-hybridization probes

I. Johansen, 1989 .

The Upside down Freezing Test - a new Method to Evaluate Frost Hardiness

I. Johansen, 2003 .

Studies in the aphyllophorales of Africa

L. Ryvarden, I. Johansen, 1979 .