Plant

Broad-leaved gum-plant

Grindelia squarrosa
Plant
Broad-leaved gum-plant
Habitat
Omaha Creek
Conservation
Weedy
First Observed
1804-08-13

Gummy secretions fill flower buds before opening, used for respiratory ailments. Widespread and weedy throughout range.

In the NPS atlas of species the expedition described

Broad-leaved gum-plant

Plant · recorded by Lewis and Clark

They found on the Omaha Creek. Gummy secretions fill flower buds before opening, used for respiratory ailments. Widespread and weedy throughout the range.

Source: National Park Service, Lewis and Clark National Historic Trail Park Atlas.

Recent sightings

Where it’s being seen today

6 research-grade iNaturalist observations between 2019–2025. Most recent: 2025-11-09. Sourced from Terrain360 trail captures, cached locally.

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