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Rubber Rabbitbrush - Ericameria nauseosa var. speciosa
Other Names:
Chrysothamnus nauseosus ssp. albicaulis
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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).
Observations in Montana Natural Heritage Program Database
Number of Observations: 3
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Ecology
POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
Bombus bifarius ,
Bombus centralis ,
Bombus huntii , and
Bombus melanopygus (Williams et al. 2014).
References
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