Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Rubber Rabbitbrush - Ericameria nauseosa
Other Names:  Chrysothamnus nauseosus

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Plants 0.5–2 m. Stems ascending to erect, 1–2 m; twigs glabrate to tomentose. Leaves linear, 1–6 cm long, glabrous to tomentose; axillary fascicles absent. Inflorescence corymbiform, rounded. Involucres obconic, 6–12 mm high; phyllaries imbricate, lanceolate, mostly whitish, resinous, glabrate to tomentose. Rays absent. Disk flowers 4 to 6; corolla 5–10 mm long. Achenes tubular-obconic, 3–8 mm long, hairy (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are varieties nauseosa, speciosa (Nutt.) G.L. Nesom & G.I. Baird, oreophila (A. Nelson) G.L. Nesom & G.I. Baird, or graveolens (Nutt.) Reveal & Schuyler

Species Range

Range Comments
BC to MB south to CA, AZ, NM and TX (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 553

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


Login Logout
Citation for data on this website:
Rubber Rabbitbrush — Ericameria nauseosa.  Montana Field Guide.  .  Retrieved on , from