# Portobello Mushroom (*Agaricus*)

The Portobello Mushroom is a large, flat mushroom that is great for grilling. It has a rich, meaty flavor that many people enjoy!

- **Category:** [Fungi](https://www.snappit.app/explore/categories/fungi)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Cultivated fields
- **Also known as:** Champignon de Paris, Portobella, Portobello

![Portobello Mushroom](https://res.cloudinary.com/drieglelr/image/upload/v1771426144/objects/5088.jpg)

## Appearance

The Portobello Mushroom is a large, flat, mature mushroom with a broad, earthy brown cap that often flattens out, revealing dark brown, crowded gills underneath. It has a sturdy, short stem, and its substantial size makes it distinct from its younger button mushroom form.

## Taxonomy

- **Kingdom:** Fungi
- **Phylum:** Basidiomycota
- **Class:** Agaricomycetes
- **Order:** Agaricales
- **Family:** Agaricaceae
- **Genus:** Agaricus

## Interesting facts

- A Portobello mushroom is actually the same species as a white button mushroom, just older!
- Ancient Romans believed mushrooms were the 'food of the gods'!
- They grow very fast, sometimes doubling in size overnight!
- Unlike plants, mushrooms don't need sunlight; they prefer dark, damp places.

## Special abilities

- **Compost Crusher:** Portobello Mushroom can break down dead plants because of its enzymes, helping recycle nutrients into the soil.
- **Spore Spreader:** Portobello Mushroom has millions of tiny spores that help them travel and grow in new places.
- **Nutrient Nook:** Portobello Mushroom has a rich blend of vitamins and minerals that helps it be a super food source.

## Measurements & details

- **Height:** 5-10 cm
- **Edible:** edible
- **Size:** 10-18 cm
- **Growth Substrate:** other
- **Season:** Year-round
- **Spore Color:** Dark brown

## Ecological connections

- **Eaten by:** fungus gnat (*Lycoriella mali*) — Its larvae feed on the mushroom tissue.
- **Depends on:** mega-bacteria (*Bacillus megaterium*) — This bacterium helps break down compost for mushroom growth.
- **Depends on:** strepto-bacterium (*Streptomyces griseus*) — This soil bacterium aids in decomposition, supporting the fungi.

## Traits

- [Fruit Bearing](https://www.snappit.app/explore/traits/fruit-bearing): Fruit-bearing plants produce fruits, which are the mature ovaries of flowering plants containing seeds.
- [Spore Producing](https://www.snappit.app/explore/traits/spore-producing): Spore-producing organisms reproduce by releasing small, often single-celled, reproductive units called spores.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Do not pick or eat anything you find. Some plants and mushrooms can be harmful.

## Frequently Asked Questions

### How to identify Portobello Mushroom?

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 Portobello Mushroom?

5-10 cm

### Is Portobello Mushroom edible?

edible

### How big is Portobello Mushroom?

10-18 cm

### Where is Portobello Mushroom usually found?

Cultivated fields

### What does Portobello Mushroom grow on?

other

### When is Portobello Mushroom in season?

Year-round

### What color are Portobello Mushroom spores?

Dark brown

## More Fungi

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

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Source: [Portobello Mushroom: Facts & Places to See — Snappit](https://www.snappit.app/explore/portobello-mushroom)