Browse Items (1 total) Browse All Browse by Tag Search Items Browse Map Tags: Lycoperdon pyriformis Sort by: Title Creator Date Added Puffballs (Lycoperdon pyriformis) Colored glass plate negative: The Conrad Slide and Projection Co., Chicago N. 148. Puffballs, a fine cluster of Lycoperdon pyriformis. Photo by A.T. Conrad Tags: Lycoperdon pyriformis, Mushrooms, Puffballs Output Formats atom, dc-rdf, dcmes-xml, json, omeka-xml, rss2