Catathelasma evanescens

Catathelasma evanescens
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Tricholomataceae
Genus: Catathelasma
Species: C. evanescens
Binomial name
Catathelasma evanescens
Lovejoy
Catathelasma evanescens
View the Mycomorphbox template that generates the following list

Mycological characteristics

gills on hymenium
cap is convex
hymenium is decurrent
stipe has a ring and volva
spore print is white
ecology is mycorrhizal
edibility: unknown

Catathelasma evanescens is a species of fungus in the Tricholomataceae family, and the type species of the genus Catathelasma. The species was described by Ruth Ellen Harrison Lovejoy in 1910.[1]

Description and Distribution

The genus includes the commoner C. imperiale and C. ventricosum, but the type species, C. evanescens, seems extremely rare. In 1914 it was only known from the location of the initial find, which is at an altitude of 3500 m. in the Medicine Bow Mountains of Wyoming.[2] It is distinguished from the other species because the gills are fairly distant ("subdistant") and because it has a large persistent volva around the base of the stipe.[3]

The species name may refer to the evanescent ring.

The following summary is taken from Mrs. Lovejoy's original description.[1]

References

  1. 1 2 Lovejoy RH. (1910). "Some New saprophytic fungi of the middle Rocky Mountain region". Botanical Gazette, Crawfordsville. 50 (3): 383–85. The text can be found in the Internet Archive.
  2. The species is mentioned under Armillaria in William Murrill (1914). North American flora. New York: The New York Botanical Garden. 10 (1): 37–38. Missing or empty |title= (help) The entry is on-line in the Biodiversity Heritage Library.
  3. Kuo, M. (2006, October). Catathelasma. See the MushroomExpert.Com Web site: http://www.mushroomexpert.com/catathelasma.html.

External links


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