Button Fern — (c) Ian Armitage, some rights reserved (CC BY), uploaded by Ian Armitage
Photo by (c) Ian Armitage, some rights reserved (CC BY), uploaded by Ian ArmitageiNaturalistCC BY
Pet safety reference

Button Fern

Pellaea rotundifolia

The Button Fern is a charming, compact fern known for its small, round, dark green leaflets arranged along wiry stems. It thrives in humid, shaded environments and is a popular choice for terrariums and indoor containers.

Cliff BrakePellaea rotundifoliaRound-leaved Fern
Light
Indirect, low to medium light
Habit
Clumping, spreading
Care
Moderate

Safety status

Cats & Dogs

Generally safe

Consulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.

Catsconcern notes

Common signs

None expected; however, ingestion of large amounts of fibrous plant material may cause mild gastrointestinal upset such as vomiting or diarrhea.

Escalation note

This plant is considered non-toxic. If your cat consumes a significant amount and shows signs of distress, contact your veterinarian for guidance.

Dogsconcern notes

Common signs

None expected; however, ingestion of large amounts of fibrous plant material may cause mild gastrointestinal upset such as vomiting or diarrhea.

Escalation note

This plant is considered non-toxic. If your dog consumes a significant amount and shows signs of distress, contact your veterinarian for guidance.

Bring it home

Button Fernis generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.

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Source evidence

ASPCA Toxic and Non-Toxic Plants List

toxicology · 99% reliability

Open source

The Cliff Brake (Pellaea rotundifolia) is listed as non-toxic to both cats and dogs.

Plants of the World Online - Pellaea rotundifolia

botanical · 95% reliability

Open source

Provides the accepted botanical nomenclature and distribution for Pellaea rotundifolia.

cats safety pagedogs safety page

Same safety verdict

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