Silvester, "Amplification of 16S rRNA genes from Frankia strains in root nodules of Ceanothus griseus, Coriaria arborea, Coriaria plumosa, Discaria toumatou, and Purshia tridentata
," Applied and Environmental Microbiology, vol.
Shrub-steppe lands typically consisted of a mixture of native plants such as sagebrush Artemisia tridentata, bitterbrush Purshia tridentata
, green rabbitbrush Chrysothamnus viscidiflorus, and bunch grasses, and to varying extents exotic invasive species such as cheat grass Bromus tectorum, tumble mustard Sisymbrium altissimum and Russian thistle Salsola kali.
Forest cover was dominated by climax Lodgepole Pine (Pinus contorta)-Bitterbrush shrub (Purshia tridentata
) forest, and higher hills on that pumice plateau supported Ponderosa Pine (P.
In southeast Idaho moose forage primarily on bitterbrush (Purshia tridentata
), willow, serviceberry, chokecherry (Prunus virginiana), and aspen (Populus tremuloides) (Ritchie 1978).
Both sites had a similar cover of Joshua trees, but CF cover was dominated by live shrubs (Lycium andersonii, Purshia tridentata
Meyer SE, Pendleton RL (2000) Genetic regulation of seed dormancy in Purshia tridentata
wyomingensis Beetle & Young), rabbitbrush (Chrysothamnus viscidiflorus (Hook.) Nutt.), and antelope bitterbrush (Purshia tridentata
rubroscutellatus use other woody plants as hosts, we sampled trees and shrubs near Apache plume sites, particularly those in the Rosaceae: antelope bitterbrush, Purshia tridentata
(Pursh) DC; Stansbury cliffrose, P.
Predominant vegetation in Round Valley was big sagebrush (Artemisia tridentata) and antelope bitterbrush (Purshia tridentata
), characteristic of the Great Basin series described by storer and usinger (1968).
Rodents have been found to remove up to 89% of antelope bitterbrush (Purshia tridentata
) seeds (Vander Wall, 1994).
Bitterbrush (Purshia tridentata
), sagebrush, and rabbitbrush (Chrysothamnus nauseosum) predominate in a mosaic where patches of blackbrush (Coleogyne ramosissima) and mormon tea (Ephedra nevadensis) are common.
For example, Shackelton (2013) and Krannitz and Hicks (2000) noted that Bighorn Sheep in the arid southern interior of British Columbia may browse the succulent leaves of shrubs such as Antelope-brush (Purshia tridentata
) year-round, possibly as a means to obtain moisture.