Description: English: Mycena olida, a small bonnet mushroom, always on moss, in Gunnersbury Triangle. Date: 30 October 2021. Source: Own work. Author: Ian Alexander. Camera location51° 29′ 38.77″ N, 0° 16′ 18.29″ WView all coordinates using: OpenStreetMap 51.494103; -0.271747.