He was considered to be the worldwide authority on the subject of smut fungi and has dominated the taxonomic study of Ustilaginomycetes for at least the past four decades.

[citation needed] In 1969 he left Ceauşescu's Romania and settled in Sweden, where he obtained the Swedish MD and worked as a family physician in Gagnef village.

He continued to pursue and personally fund his research in the field of smut fungus taxonomy and obtained his PhD in taxonomic botany at Uppsala University in 1985 (under supervision of Prof. Jan Axel Nannfeldt).

[citation needed] His doctoral thesis, Carpathian Ustilaginales, was published in the academic journal Symbolae Botanicae Upsalienses.

[9] The collecting trips were very often combined with national or international workshops, conferences or congresses in the field of mycology, where he was lecturer or speaker.

In August 2013 it was relocated to the Queensland Plant Pathology Herbarium, Brisbane, Australia (‘BRIP’), and placed at the disposal of the mycological community.

[15] The Romanian journal Moeszia - Erdélyi Gombász (Transylvanian Mycologist) published two interviews and a laudation on the Székely-Hungarian scientist.