# autumn fern (*Dryopteris erythrosora*)

The autumn fern is a beautiful plant with bright, colorful leaves that change in the fall. It loves to grow in shady places and adds a splash of color to gardens and forests.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 6
- **Habitat:** Forests

![autumn fern](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Dryopteris_erythrosora2.jpg&width=800)

Photo: KENPEI, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Dryopteris_erythrosora2.jpg)

## Appearance

The autumn fern has striking fronds that emerge a beautiful coppery-red or bronze, gradually maturing into a glossy, dark green. Its triangular, deeply cut fronds form a dense, graceful clump, distinct from many plain green ferns.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Polypodiopsida
- **Order:** Polypodiales
- **Family:** Dryopteridaceae
- **Genus:** Dryopteris

## Interesting facts

- Ancient ferns like this have been around for millions of years, even before dinosaurs roamed the Earth!
- Baby fern fronds unroll in a spiral, looking just like the head of a violin, called a "fiddlehead"!
- Ferns help purify the air by absorbing pollutants, keeping our world clean and fresh!
- Its scientific name, \*erythrosora\*, means "red sori," referring to the cool reddish spore cases on its fronds!

## Special abilities

- **Spore Sprayer:** Autumn fern can reproduce using tiny spores found on the underside of its fronds, sending out new plant "babies" without needing flowers or seeds!
- **Color Changer:** This fern has young fronds that magically unfurl in vibrant copper or red, then slowly transform to a deep, glossy green as they mature.
- **Shade Seeker:** Autumn fern can thrive in shady spots where many other plants struggle, using the low light to grow strong and healthy.

## Measurements & details

- **Height:** 30-75 cm
- **Spread:** 30-75 cm
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial

## Ecological connections

- **Symbiotic with:** Common Earthworm (*Lumbricus terrestris*) — improves soil health
- **Shelter:** [Garden Snail](https://www.snappit.app/explore/garden-snail) (*Helix aspersa*) — rests under its fronds
- **Symbiotic with:** Bonnet Mushroom (*Mycena galericulata*) — decomposes leaf litter

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [Ornamental](https://www.snappit.app/explore/traits/ornamental): Ornamental plants are cultivated primarily for their aesthetic appeal, enhancing landscapes and gardens with their attractive foliage, flowers, or form.
- [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Fall Color](https://www.snappit.app/explore/traits/fall-color): Fall color refers to the seasonal change in foliage pigmentation, primarily in deciduous plants, displaying vibrant hues.
- [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

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch wild plants, as some can be prickly or not safe.

## Frequently Asked Questions

### How to identify autumn fern?

Compare frond shape, how the leaflets are arranged, the stalk, and any spore clusters you can see. A single detached leaflet often hides the plant's overall growth pattern. Fern Identifier: upload a photo and compare the visible details.

### How tall is autumn fern?

30-75 cm

### How wide does autumn fern spread?

30-75 cm

### Is autumn fern edible?

No

### Is autumn fern toxic?

None

### What is autumn fern's lifecycle?

Perennial

### Where is autumn fern usually found?

Forests

## Where to spot

- [Fairlie-Poplar](https://www.snappit.app/guides/places/fairlie-poplar) — Georgia, US · Neighborhood
- [Inman Park](https://www.snappit.app/guides/places/inman-park) — Georgia, US · Neighborhood
- [Techwood Homes](https://www.snappit.app/guides/places/techwood-homes) — Georgia, US · Historic District
- [Atlanta Botanical Garden](https://www.snappit.app/guides/places/atlanta-botanical-garden) — Georgia, US · Botanical Garden
- [Candler Park Historic District](https://www.snappit.app/guides/places/candler-park-historic-district) — Georgia, US · Historic District
- [Colonial Annapolis Historic District](https://www.snappit.app/guides/places/colonial-annapolis-historic-district) — Maryland, US · Historic District

[View all places to see autumn fern](https://www.snappit.app/guides/where-to-see/autumn-fern)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Autumn Fern: Facts & Places to See — Snappit](https://www.snappit.app/explore/autumn-fern)
