typhlonectes:Brown-ribbed Elfin Cup aka Vinegar Cup Mushroom (Helvella acetabulum) from Dumé
typhlonectes: Brown-ribbed Elfin Cup aka Vinegar Cup Mushroom (Helvella acetabulum) from Dumée, Paul. Nouvel atlas de poche des champignons comestibles et vénéneux. v. 1 (1912). Digitized by The New York Botanical Garden. http://biodiversitylibrary.org/page/3895027. -- source link