Pieter VAN DEN BOOM
- Emmanuël SÉRUSIAUX, Paul DIEDERICH, Damien ERTZ & Pieter VAN DEN BOOM
- NEW OR INTERESTING LICHENS AND LICHENICOLOUS FUNGI FROM BELGIUM, LUXEMBOURG AND NORTHERN FRANCE. IX (suite 1)
- N°173 (août 2003)
- Emmanuël SÉRUSIAUX, Paul DIEDERICH, Damien ERTZ & Pieter VAN DEN BOOM
- NEW OR INTERESTING LICHENS AND LICHENICOLOUS FUNGI FROM BELGIUM, LUXEMBOURG AND NORTHERN FRANCE. IX
- N°173 (août 2003)
- Emmanuël SÉRUSIAUX, Paul DIEDERICH, Damien ERTZ & Pieter VAN DEN BOOM
- NEW OR INTERESTING LICHENS AND LICHENICOLOUS FUNGI FROM BELGIUM, LUXEMBOURG AND NORTHERN FRANCE. IX (suite 2)
- N°173 (août 2003)
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