Flat Oysterling Taken at Baron's Haugh on 2nd December 2020 using Nikon D500 with Sigma 600 mm zoom lens. Flat Oysterling. Species: Order: Family: Crepidotus applanatus. Agaricales. Crepidotaceae. Habitat: Cap Diameter: Stem: Season: Edibility: Woodlands. 1 - 4 cms. None All year round Inedible and easily confused with poisenous look - a likes. When picking any fungus for consumption, caution should be exercised at all times.