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Fungi: Ascomycota: Pezizomycetes: Pezizales: Helvellaceae: Helvella acetabulum (L.) Quél., 1874

Helvella acetabulum – Vinegar cup

Synonyms: Acetabula acetabulum, Acetabula barlae, Acetabula sulcata, Acetabula vulgaris, Aleuria acetabulum, Helvella dalgeri, Macroscyphus acetabuliforme, Octospora acetabulum, Paxina acetabulum, Paxina barlae, Paxina sulcata, Peziza acetabulum, Peziza sulcata, Phleboscyphus vulgaris.

Common name: vinegar cup.

Russian names: Lopastnik bokalchatyy, Gelvella bokalchataya, Paksina atsetabulum, Lopastnik obyknovennyy, Gelvella obyknovennaya, Atsetabula obyknovennaya, Lopastnik chashevidnyy.

Extract from Wikipedia article: Helvella acetabulum is a species of fungus in the family Helvellaceae, order Pezizales. This relatively large cup-shaped fungus is characterized by a tan fruit body with prominent branching ribs resembling a cabbage leaf; for this reason it is commonly known as the cabbage leaf Helvella. Other colloquial names include the vinegar cup and the brown ribbed elfin cup. The fruit bodies reaches dimensions of 8 cm (3.1 in) by 4 cm (1.6 in) tall. It is found in Asia, Europe, and North America, where it grows in sandy soils, under both coniferous and deciduous trees.

AI-generated description

Helvella acetabulum is a species of fungi that belongs to the family Helvellaceae. It has a cup-shaped cap, typically 2-6 cm in diameter, with a wavy or lobed margin and a white to cream-colored interior. The exterior is often brown to dark brown, with a powdery or downy texture. In St. Petersburg, Leningrad Oblast, and north-western Russia, Helvella acetabulum can be found growing in sandy soils, pine forests, and heathlands, typically from July to September. It is considered a rare species in the region, but can be locally abundant in suitable habitats.

Photos of this mushroom from the area of St. Petersburg, Russia

Cabbage leaf Helvella mushroom (<B>Helvella acetabulum</B>) near Dibuny, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-27.htm">June 27, 2017</A>
LinkCabbage leaf Helvella mushroom (Helvella acetabulum) near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
Location on mapsUnnamed Road, Pesochnyy, Sankt-Peterburg, Russia
Cabbage leaf Helvella mushrooms (<B>Helvella acetabulum</B>) with a parasitic fungus Hypomyces cervinus (Hypomyces cervinigenus) near Dibuny, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-27.htm">June 27, 2017</A>
LinkCabbage leaf Helvella mushrooms (Helvella acetabulum) with a parasitic fungus Hypomyces cervinus (Hypomyces cervinigenus) near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
Location on mapsUnnamed Road, Pesochnyy, Sankt-Peterburg, Russia
Cabbage leaf Helvella mushrooms (<B>Helvella acetabulum</B>) on roadside in pine forest near Dibuny, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-27.htm">June 27, 2017</A>
LinkCabbage leaf Helvella mushrooms (Helvella acetabulum) on roadside in pine forest near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
Location on mapsUnnamed Road, Pesochnyy, Sankt-Peterburg, Russia
Cup mushroom <B>Helvella acetabulum</B> on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-28.htm">June 28, 2017</A>
LinkCup mushroom Helvella acetabulum on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188664

AI-generated summary of observations

Observations of Helvella acetabulum in Leningrad Oblast and north-western Russia reveal its presence in various environments. The fungus was found near Dibuny, west of Saint Petersburg, on June 27, 2017, growing alone and infected with the parasitic fungus Hypomyces cervinus. It was also spotted on a roadside in a pine forest near Dibuny. On June 28, 2017, Helvella acetabulum was observed on a roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north of Saint Petersburg. The fungus appears to thrive in roadside areas, potentially due to the moist and nutrient-rich conditions. Its association with pine forests and lakeshores suggests a preference for specific habitats. The presence of parasitic fungi like Hypomyces cervinus indicates complex interactions within the fungal community. These observations provide insight into the ecology and distribution of Helvella acetabulum in north-western Russia.

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Links

Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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