Terschelling

Duinfranjehoed (Psathyrella ammophila) by Sjoerd Greydanus

This fungus grows on sand dunes with marram grass (Ammophila arenaria) after which it is named.

For more info see:

http://www.vielepilze.de/selten/psat/unbekannt/ammophila/esumammophila.html

http://www.first-nature.com/fungi/psathyrella-ammophila.php

http://www.agricoltura.provincia.venezia.it/html/funghipdf/10_psathyrella.pdf

http://www.micobotanicajaen.com/Revista/Articulos/MARibesR/DunasMallorca001/Psathyrella%20ammophila%20051209%2005.pdf