# Cortinarius

Cortinarius is a type of mushroom that grows in forests. It has a unique cap with different colors and patterns, making it fascinating to discover during nature walks.

- **Category:** [Fungi](https://www.snappit.app/explore/categories/fungi)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Habitat:** Forests

![Cortinarius](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Cortinarius_violaceus_02.jpg&width=800)

Photo: CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cortinarius_violaceus_02.jpg)

## Appearance

The Cortinarius is a diverse mushroom genus, often recognized by its rusty brown spores. Many species have caps in shades of brown, yellow, purple, or red, some with a slimy texture or fibrous surface, and a delicate web-like veil on the stem.

## Taxonomy

- **Kingdom:** Fungi
- **Phylum:** Basidiomycota
- **Class:** Agaricomycetes
- **Order:** Agaricales
- **Family:** Cortinariaceae

## Interesting facts

- Many Cortinarius mushrooms are so hard to identify, even experts struggle!
- Some poisonous species can cause kidney failure days after being eaten!
- Their name means 'curtain-bearer' because of their unique veil.
- This huge mushroom family contains thousands of different species!

## Special abilities

- **Nutrient Networker:** Cortinarius forms a symbiotic relationship with trees, sharing vital nutrients they absorb from the soil because of its root connections.
- **Spore Protector:** It has a special web-like veil called a cortina that protects its developing gills and spores that helps them mature safely.
- **Toxin Producer:** Many species produce powerful chemicals that make them inedible or poisonous, because this deters hungry animals.

## Measurements & details

- **Height:** 3-20 cm
- **Edible:** poisonous
- **Size:** 2-18 cm
- **Growth Substrate:** soil
- **Season:** Late summer to fall
- **Spore Color:** Rusty brown

## Ecological connections

- **Symbiotic with:** [Norway Spruce](https://www.snappit.app/explore/norway-spruce) (*Picea abies*) — Helps spruce trees absorb water and nutrients.
- **Symbiotic with:** [European Beech](https://www.snappit.app/explore/european-beech) (*Fagus sylvatica*) — Forms mutually beneficial root partnerships with beech trees.
- **Symbiotic with:** [Scots Pine](https://www.snappit.app/explore/scots-pine) (*Pinus sylvestris*) — Essential for nutrient exchange with pine root systems.
- **Symbiotic with:** [English Oak](https://www.snappit.app/explore/english-oak) (*Quercus robur*) — Many species form mycorrhizal associations with oak trees.

## Traits

- [Mycorrhizal](https://www.snappit.app/explore/traits/mycorrhizal): This trait describes a symbiotic relationship between a fungus and the roots of a plant, benefiting both organisms.
- [Spore Producing](https://www.snappit.app/explore/traits/spore-producing): Spore-producing organisms reproduce by releasing small, often single-celled, reproductive units called spores.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Ancient Lineage](https://www.snappit.app/explore/traits/ancient-lineage): This trait signifies organisms belonging to a very old evolutionary group with ancestors dating back millions of years.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.

## Collections

- [Fungi](https://www.snappit.app/explore/collections/fungi)

## Safety

**Danger:** 2/5 · Low

Never touch or eat any mushrooms without an adult's permission and guidance.

## Frequently Asked Questions

### How to identify Cortinarius?

Compare the cap shape, the underside, the stem and base, and whether the fungus grows on wood or soil. Some fungi have gills, others pores or teeth. A cap seen only from above often hides the most useful features. Mushroom Identifier: upload a photo and compare the visible details.

### How tall is Cortinarius?

3-20 cm

### Is Cortinarius edible?

poisonous

### How big is Cortinarius?

2-18 cm

### Where is Cortinarius usually found?

Forests

### What does Cortinarius grow on?

soil

### When is Cortinarius in season?

Late summer to fall

### What color are Cortinarius spores?

Rusty brown

## More Fungi

- [Field Mushroom](https://www.snappit.app/explore/field-mushroom) (*Agaricus*)
- [Button Mushroom](https://www.snappit.app/explore/button-mushroom) (*Agaricus*)
- [Portobello Mushroom](https://www.snappit.app/explore/portobello-mushroom) (*Agaricus*)
- [Shiitake](https://www.snappit.app/explore/shiitake) (*Lentinula*)

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Source: [Cortinarius: Facts & Places to See — Snappit](https://www.snappit.app/explore/cortinarius)