Jepson: P. arborescens . accessed 12.1.2011 USDA Adams Jr., James D. (1 October 2005). "Psorothamnus Fremontii and PsorothamnusArborescens (Fabaceae)...
Winnemucca. Psorothamnus comprises the following species: Psorothamnusarborescens (A. Gray) Barneby—Mojave indigo bush var. arborescens (A. Gray) Barneby...
(Menodora spinescens), desert senna (Cassia armata), California dalea (Psorothamnusarborescens), California fan palm (Washingtonia filifera) and goldenhead (Acamptopappus...
Eocene). A node-based definition for Amorpheae is: "the MRCA of Psorothamnusarborescens and Eysenhardtia orthocarpa." The tribe exhibits the following...