Cyathus olla - Photograph of this species, aptly known as the bird’s nest fungus. California Fungi: Nidula candida - Commonly known as the bird’s nest fungus, a photograph of this species and links to several other photographs. Cyathus striatus - Photograph of this bird’s nest fungus which grows on bark or wood mulch, and an illustrated account by Tom Volk of its unusual reproductive structures. Crucibulum vulgare - Photograph and information on this bird’s nest fungus. Cyathus striatus - Project by Fareen Huda on the Bird's Nest Fungus, with photographs and information on its classification, habitat, life history and reproduction. Birdsnest Fungi - Photographs and information on Nidula candida, Crucibulum laeve, Cyathus novaezealandiae and Cyathus olla.