Ranger's Button — (c) Jim Morefield, some rights reserved (CC BY)
Photo by (c) Jim Morefield, some rights reserved (CC BY)iNaturalistCC BY
Pet safety reference

Ranger's Button

Sphenosciadium capitellatum

Ranger's Button is a perennial herb native to the western United States, known for its distinct, button-like flower clusters. It is considered toxic to pets if ingested and should be kept out of reach.

Ranger's ButtonSphenosciadium capitellatumSwamp White Heads
Light
Full sun to partial shade
Habit
Herbaceous perennial
Care
Moderate

Safety status

Cats & Dogs

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

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

Drooling, vomiting, diarrhea, and potential lethargy.

Escalation note

Ingestion can cause gastrointestinal distress. Please contact your veterinarian immediately if you suspect your cat has consumed any part of this plant.

Dogsconcern notes

Common signs

Vomiting, abdominal pain, loss of appetite, and excessive salivation.

Escalation note

Ingestion may lead to systemic irritation. Always consult a veterinarian if your dog shows signs of illness after exposure to this plant.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

The ASPCA lists Sphenosciadium capitellatum as toxic to both cats and dogs.

Kew Plants of the World Online

botanical · 95% reliability

Open source

Accepted scientific name and distribution data for Sphenosciadium capitellatum.

cats safety pageMy cat ate Ranger's Buttondogs safety pageMy dog ate Ranger's Button

Same safety verdict

Other plants with the same verdict