Reference

Andreas Solga, Volker Buchbender (2005): Erster Nachweis von Hypnum heseleri Ando & Higuchi (Bryo- phyta, Musci, Hypnaceae) für Nordrhein-Westfalen First Record of Hypnum heseleri Ando & Higuchi (Bryophyta, Musci, Hypnaceae) in North Rhine-Westphalia – Decheniana – 158: 79 - 82.