Education
In 1993 he did his Doctor of Philosophy at the University of Utrecht on the taxonomy and phylogeny of pyrenocape lichens with Robbert Gradstein (nl).
biologist curator lichenologist mycologist
In 1993 he did his Doctor of Philosophy at the University of Utrecht on the taxonomy and phylogeny of pyrenocape lichens with Robbert Gradstein (nl).
He specializes in fungi and lichens on which he has several publications to his name. Aptroot is employed at the Dutch Association for Nature (nl). At the Dutch Species Register (nl) he is a specialist in lichens.
From 2008 he has been collection manager at Pinetum Blijdenstein (nl) in Hilversum.
The fungus Didymella aptrootii is named after him.
He has worked as curator at Centraalbureau voor Schimmelcultures which is the Dutch Central Bureau of fungal cultures and is a research institute of the Royal Netherlands Academy of Arts and Sciences (KNAW), initially in Baarn and later in Utrecht. He is the founder of the Consultancy for Bryology and Lichenology which is located in Soest, Netherlands Soest where there is a herbarium with a collection of lichens mainly from the Netherlands and the tropics.
He is a member of the International Association for Lichenology and the American Bryological and Lichenological Society.