Rayless goldenrod
Isocoma pluriflora (Haplopappus heterophyllus)
- Plant type
- shrub
- Settings
- Rangeland
- Risk
- Moderate risk Our rating from the cited sources.
- Review
- Not yet reviewed by a veterinarian.
Photos
Planned.
How to tell it
Upright bushy shrub 2.5 to 5 ft with narrow, sticky alternate leaves and yellow flowers (ARS).
Look-alikes: Planned.
What to do on a site walk
- Limit time.
- Keep nursing does off.
Why it matters
- Toxic principle
- Tremetol (benzofuran ketones)
- Toxic parts
- Whole plant, green or dry
- Basis for our rating
- Chewgrass rating. ARS: toxic to goats; the toxin passes through milk to nursing kids.
Signs in goats
Trembling, depression, stiff gait, weakness; nursing kids can be poisoned through the milk (ARS).
If you think an animal has been poisoned, call your vet right away.
Season
Most losses in late fall and winter, when other forage is scarce (ARS).
Sources
Links last checked: 2026-10-31