Collection location: Los Trancos Preserve, Palo Alto, Santa Clara Co., California, USA [Click for map]
Only kinda sure on this one. Dr. Desjardin looked them over, and thought they were interesting, and genus Arrhenia was his best guess. I had found these last year, but had no idea. I have some microscopic photos, but they don’t say much. I didn’t find any spores, so these might be young.