1) Family nidulariaceae 2) Fungus family 
Cyathus Mycocalia Nidula The Nidulariaceae are a family of fungi in the order Nidulariales. Commonly known as the bird`s nest fungi, their fruiting bodies resemble tiny egg-filled birds` nests. As they are saprobic, feeding on decomposing organic matter, they are often seen growing on decaying wood and in soils enriched with wood chips or bark m.....
[n] - bird`s-nest fungi
family Nidulariaceae noun bird`s-nest fungi