page_title: Mycena adscendens
section_title: Similar species
hierarchical_section_title: Mycena adscendens / Description / Similar species
caption_attribution_description: English: Mycena stylobates in a forest near Château-Chinon, France.
context_page_description: Mycena adscendens, commonly known as the frosty bonnet, is a species of fungus in the family Mycenaceae. The fungus produces small white fruit bodies with caps up to 7.5 mm in diameter that appear to be dusted with sugar-like granules. Caps are supported by thin, hollow stems up to 20 mm long, which are set on a disc-like base. It is distributed in the United States, where it has been found from Washington to California, Europe, and Turkey. The fruit bodies grow on fallen twigs and other woody debris on the forest floor, including fallen hazel nuts. The variety carpophila is known from Japan. There are several small white Mycena species that are similar in appearance to M. adscendens, some of which can be reliably distinguished only by examining microscopic characteristics.
context_section_description: Other Mycenas that resemble M. adscendens include M. alphitophora and M. stylobates. The former is distinguished from M. adscendens by a stem base that is not swollen or disc-like, the latter by its larger and sturdier fruit body and lack of granules on the cap. A poorly known Japanese species, M. cryptomeriicola, is similar to M. adscendens, but has non-amyloid spores and lacks clamps. M. nucicola is most reliably distinguished from M. adscendens by microscopic characteristics: M. nucicola has four-spored basidia, clamp connections are rare in the hyphae of the gill tissue, and the spores are less broad (typically 4.2–5 µm). The Finnish species M. occulta grows on the decaying needles of Norway spruce and Scots pine. It differs from M. adscendens in that its gills do not form a pseudocollarium, it lacks clamps in the hyphae and cells of the hymenium, and the terminal cells in its cap cuticle are densely covered with protuberances.
caption: Mycena stylobates is a robust lookalike of M. adscendens.
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