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.

From the NPS Lewis and Clark National Historic Trail Park Atlas, mirrored here on September 21, 2026. This copy is not authoritative; NPS remains the system of record. About the mirror

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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