Clustered and twisted sporocarps of Arcyria stipata slime mold near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017
Unnamed Road, Pesochny, Sankt-Peterburg, RussiaSynonyms: Hemiarcyria stipata, Hemitrichia stipata, Leangium stipatum.
Russian name: Artsiriya skuchennaya.
Arcyria stipata is a species of slime mold that belongs to the class Myxomycetes. It is characterized by its cylindrical to subcylindrical sporangia, typically 1-3 mm tall and 0.5-1 mm wide, with a yellow to orange-yellow color and a distinct stalk. In St. Petersburg, Leningrad Oblast, and north-western Russia, Arcyria stipata has been found in various habitats, including deciduous and mixed forests, as well as in urban areas, often on decaying wood, mosses, and other plant debris. The species is considered relatively common in the region, with fruiting bodies typically appearing in late summer to early fall.
Clustered and twisted sporocarps of Arcyria stipata slime mold near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017Unnamed Road, Pesochny, Sankt-Peterburg, Russia
Copper colored Arcyria stipata slime mold on a stump near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017Unnamed Road, Pesochny, Sankt-Peterburg, RussiaObservations of Arcyria stipata in Leningrad Oblast and north-western Russia reveal unique characteristics. Near Dibuny, northwest of Saint Petersburg, the slime mold formed clustered and twisted sporocarps, showcasing its distinct growth pattern. On September 28, 2017, specimens were found with a copper-colored appearance on a stump, highlighting the species' striking coloration. The specific location and timing suggest that Arcyria stipata thrives in this region during late summer to early fall. The observations provide insight into the slime mold's morphology and preferred habitat, with a tendency to grow on decaying wood, such as stumps, in the area. These findings contribute to a better understanding of the species' behavior and distribution in north-western Russia. The copper coloration is a notable feature, adding to the species' distinctive characteristics.
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