Cortinarius uliginosus

Cortinarius uliginosus
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Cortinariaceae
Genus: Cortinarius
Species:
C. uliginosus
Binomial name
Cortinarius uliginosus
Cortinarius uliginosus
Mycological characteristics
Gills on hymenium
Cap is conical or umbonate
Hymenium is adnate
Stipe has a cortina
Spore print is reddish-brown
Ecology is mycorrhizal
Edibility is unknown

Cortinarius uliginosus, commonly known as the orange willow webcap[1] or marsh webcap, is a species of mushroom in the family Cortinariaceae. It was first described by Miles Joseph Berkeley in 1860.[2]

Description

The cap of Cortinarius ulginosus is orangish, and can be ochre or reddish. It is about 1.5-4.5 centimeters in diameter. It starts out conical or campanulate, and expands to convex, flat, or umbonate in age.[1] The gills are adnate, and start out yellow, before becoming orangish or brownish.[2] The stipe is about 2.5-7.5 centimeters long and 2-8 millimeters wide.[1] It is yellowish.[3] A cortina is present. The spore print is rusty brown.[1]

Habitat and ecology

Cortinarius uliginosus is found under willow trees in wet areas.[1] It is also found in alder carr forests.[2] It is found in both North America[1] and Europe. It is mycorrhizal.[2]

References

  1. ^ a b c d e f Siegel, Noah; Schwarz, Christian (September 1, 2024). Mushrooms of Cascadia: A Comprehensive Guide to Fungi of the Pacific Northwest. Humboldt County, CA: Backcountry Press. p. 179. ISBN 9781941624197.
  2. ^ a b c d "Cortinarius uliginosus, Marsh Webcap mushroom". www.first-nature.com. Retrieved 2025-11-03.
  3. ^ "Cortinarius (subgenus Cortinarius) uliginosus". www.englishfungi.org. Retrieved 2025-11-03.