Summary[edit] Description: English: A sectioned fruit body of the truffle-like fungus Truncocolumella citron Zeller. Specimen found in Bolinas Ridge, Marin Co., California, USA. Date: 8 January 2014. Source: : This image is Image Number 397223 at Mushroom Observer, a source for mycological images. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. English | español | français | italiano | македонски | മലയാളം | português | +/−. Author: Ron Pastorino (Ronpast).