Taxonomy
- Taxonomic Rank
- Variety
- Author
- (Piper) R.L.Carr
- Publication
- Mem. New York Bot. Gard. 26: 190 (1976)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Boraginales
- Family
- Boraginaceae
- Genus
- Hackelia
- Species
- Hackelia diffusa