Alex Hyde / Cup fungi (Cookeina sp) growing on decaying log, Danum Valley, Sabah, Borneo.

Alex Hyde / Cup fungus (Cookeina sp) growing on decaying wood on the rainforest floor, Corcovado National Park, Osa Peninsula, Costa Rica

Alex Hyde / Cup fungus (Cookeina sp) Danum Valley, Sabah, Borneo.

Alex Hyde / Cup fungi (Cookeina sp) growing on decaying log in lowland dipterocarp forest. Danum Valley, Sabah, Borneo.

Thomas Marent / Cup Fungus (Cookeina sp) mushrooms, Tayrona National Natural Park, Colombia

Alex Hyde / Cup fungus (Cookeina sp) growing on decaying wood on the rainforest floor, Corcovado National Park, Osa Peninsula, Costa Rica

Adrian Davies / Cup fungi (Cookenia sp) Sabah, Borneo.

Adrian Davies / Cup fungi (Cookenia sp) on forest floor, Sabah, Borneo.

Thomas Marent / Cup Fungus (Cookeina sp), Danum Valley Conservation Area, Borneo, Malaysia

Thomas Marent / Cup Fungus (Cookeina sp) trio, Tambopata-Candamo Nature Reserve, Peru

Greg Basco/ BIA / Strawberry Poison Dart Frog (Oophaga pumilio) in Cup Fungus (Cookeina speciosa), Costa Rica