Synonyms: Agaricus caulicinalis, Marasmius cauticinalis, Marasmius fulvobulbillosus, Omphalia parvibulbosa, Omphalia pubescentipes, Xeromphalina fellea, Xeromphalina fulvobulbillosa, Xeromphalina parvibulbosa.
Common name: pinelitter gingertail.
Russian name: Kseromfalina steblevidnaya.
Extract from Wikipedia article: Xeromphalina cauticinalis is a species of agaric fungus in the family Mycenaceae. Originally described in 1838 by Elias Fries as Marasmius cauticinalis, it was transferred to the genus Xeromphalina by Robert Kühner and René Maire in 1934. It is found in North America, where it fruits in the summer and autumn singly or in groups on the seeds, needles, and sticks of conifers, and sometimes on aspen leaves. The fruit bodies have convex yellowish caps measuring 0.5–2.5 cm (0.2–1.0 in) in diameter supported by a tough yellow-brown to dark brown stipe that is 3–8 cm (1.2–3.1 in) long by 1–2.5 mm thick. The pale yellow gills have a decurrent attachment to the stipe and are somewhat distantly spaced. The spore print is white, while individual spores are elliptical, smooth, amyloid, and measure 4–7 by 2.5–3.5 µm.
Xeromphalina cauticinalis is a small to medium-sized fungus with a yellow to orange-brown cap and white to pale yellow gills. It grows on coniferous wood, particularly pine and spruce. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found in forests and parks, typically fruiting from July to October. The fungus is relatively rare in the region, but can be locally common in areas with abundant coniferous debris.
In Leningrad Oblast and north-western Russia, observations of the fungus Xeromphalina cauticinalis were made in various locations. In Pavlovsk Park, near Saint Petersburg, the mushrooms were found in areas such as Old Sylvia and New Sylvia, growing on mossy lawns and under spruce trees. They were observed on multiple dates, including July 28, 2016, November 1, 2016, and September 8, 2018. The mushrooms were also found in other locations, such as Petiayarvi, north of Saint Petersburg, on August 3, 2024. In some cases, they were observed growing alongside other species, like Melanophyllum haematospermum. The observations suggest that Xeromphalina cauticinalis is present in the region and can be found in various habitats, including parks and wooded areas. The fungus appears to thrive in these environments, with multiple sightings recorded over several years.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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