Cystolepiota potassiovirens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Cystolepiota
Species:
C. potassiovirens
Binomial name
Cystolepiota potassiovirens
Singer (1989)
Cystolepiota potassiovirens
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex
Hymenium is free
Ecology is saprotrophic
Edibility is unknown

Cystolepiota potassiovirens is a species of mushroom producing fungus in the family Agaricaceae.[1][2]

Taxonomy

It was described in 1989 by the German mycologist Rolf Singer who classified it as Cystolepiota potassiovirens.[3]

Description

Cystolepiota potassiovirens is a very small brownish mushroom with brown flesh.[3]

Cap: 1cm wide and convex with a small umbo. The surface is brown to dark brown with a pale orange umbo covered with furfuraceous (bran like) scales. Gills: Free, dark brown and close to crowded. They have a slight ventricose bulge in the middle. Stem: 1.7cm tall and 0.8-1mm thick and subequal. The surface is dark brown with a pruinose (powdery) coating. Spores: Ellipsoidal without a germ pore, hyaline, non-amyloid but greenish in KOH. 3.3-4 x 2.5-3μm. Basidia: 15-21 x 5 μm. Four spored. Smell: Indistinct.[3]

Etymology

The specific epithet potassiovirens derives from the Latin potassio meaning potassium and virens meaning green.[4] This is in reference to the green colouration the spores develop in Potassium Hydroxide (KOH).

Habitat and distribution

The specimens studied by Singer were found growing solitary or gregariously on the ground in the tropical forests of Brazil, 30km North of Manaus.[3]

References

  1. ↑ "Species fungorum - Cystolepiota potassiovirens". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. ↑ "Mycobank Database - Cystolepiota potassiovirens".
  3. 1 2 3 4 Singer, Rolf (1989). "New taxa and new combinations of Agaricales : (Diagnoses fungorum novorum Agaricalium IV)". Fieldiana. Chicago, Ill: Field Museum of Natural History. 21: 99 – via www.biodiversitylibrary.org.
  4. ↑ "Botanical Latin (L) & Greek (G)" (PDF).
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