Boechera holboellii subsp. retrofracta (Graham) (Brassicaceae) is endemic to Greenland.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Brassicales
Family
Brassicaceae
Genus
Boechera
Species
holboellii
Subspecies
retrofracta
Specimens are listed under the accepted name Boechera retrofracta (Graham) A.Löve & D.Löve