You selected Disaccanthus arizonicus (S. Watson) Greene. This is a synonym for:

Accepted scientific name:
Streptanthus carinatus subsp. arizonicus (S. Watson) Kruckeb., Rodman & Worth. (accepted name)
Synonyms:
Disaccanthus arizonicus (S. Watson) Greene (synonym)
Disaccanthus luteus Greene (synonym)
Disaccanthus mogollonicus Greene (synonym)
Streptanthus arizonicus S. Watson (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Capparales
Family Brassicaceae
Genus Streptanthus
Species Streptanthus carinatus
Distribution: -
Additional data: -
Source database: Brassicaceae, 2, Oct 2009
Latest taxonomic scrutiny: Warwick S.I. , Francis A. & Al-Shehbaz I.A., 2009
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:282db98e-60a7-102d-be47-00304854f810:ac2010