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Montana Field Guide

Montana Field Guides

Rubber Rabbitbrush - Ericameria nauseosa var. speciosa
Other Names:  Chrysothamnus nauseosus ssp. albicaulis

Native Species

Global Rank: G5T5
State Rank: SNR

Agency Status
MNPS Threat Rank:

External Links

General Description
See species description.

Diagnostic Characteristics
Variety speciosa can be distinguised from the others by the following characters: involucre 8-14 mm long, whitish-tomentose at least at the base; corollas 9-13 mm long, usually puberulent (rarely arachnose) (Urbatsch et al., 2003, Fl. North America, Vol. 20; Lesica 2012).

Range Comments
BC to MB south to ID, AZ, NM and TX (Kartesz 2009).

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