Articles (3)

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• Impression of the lichens seen in Somerset, 24-27 February 2003. André Aptroot, Laurens B. Sparrius, Cornelis [Kok] Marinus van Herk

  André Aptroot, Laurens B. Sparrius, Cornelis [Kok] Marinus van Herk (2003): Impression of the lichens seen in Somerset, 24-27 February 2003. – Aktuelle Lichenologische Mitteilungen – NF 10: 33 - 36.

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• Lichens on the seadyke of the Ems near Delfzijl, including Parmelia tinctina new to the NeterlandsLaurens B. Sparrius, André Aptroot, Cornelis [Kok] Marinus van Herk

  Laurens B. Sparrius, André Aptroot, Cornelis [Kok] Marinus van Herk (2001): Lichens on the seadyke of the Ems near Delfzijl, including Parmelia tinctina new to the Neterlands – Aktuelle Lichenologische Mitteilungen – NF 7: 9 - 14.

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• Arbeitsgruppen stellen sich vor - Die NiederlandeAndré Aptroot, J. Leo Spier, Cornelis [Kok] Marinus van Herk

  André Aptroot, J. Leo Spier, Cornelis [Kok] Marinus van Herk (2000): Arbeitsgruppen stellen sich vor - Die Niederlande – Aktuelle Lichenologische Mitteilungen – NF 1: 18 - 19.

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