Draba incerta

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Draba incerta


Taxonavigation: Brassicales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Brassicales

Familia: Brassicaceae
Tribus: Arabideae
Genus: Draba
Species: Draba incerta


Draba incerta Payson, Amer. J. Bot. 4: 261. 1917.

  • Typus: among the rocks on the summit, The Thunderer, Wyoming, A. & E. Nelson 5818, July 13, 1899 (Holotypus: RM; isotypes GH, MO)


  • Heterotypic
    • Draba laevicapsula Payson, Amer. J. Bot. 4: 262. 1917.
      • Typus: summit of Stevens Peak, Idaho, altitude 1980 m, J.B. Leiberg 1477, Aug. 5, 1895 (Holotypus RM; isotypus GH)
      • Draba incerta var. laevicapsula (Payson) Payson & H.St.John, Proc. Biol. Soc. Wash. 43: 121. 1930.
    • Draba incerta var. peasei (Fernald) Rollins, Crucifer. Continental N. Amer. 423. 1993.
      • Draba peasei Fernald, Rhodora 36: 298. 1934.
        • Typus: talus slope near Cape Rosier, Gaspt Co., Quebec, A.S. Pease 20, 194, July 18, 1928 (Holotypus: GH)


  • Payson, E.B. 1917. The Perennial Scapose Drabas of North America. American Journal of Botany 4(5): 253–267. JSTOR
  • Hassler, M. 2018. Draba incerta. World Plants: Synonymic Checklists of the Vascular Plants of the World (version Mar. 2018). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J., Penev L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2018 Jan. 29. (not accepting var. peasei)
  • International Plant Names Index. 2018. Draba incerta. Published online. Accessed Jan. 27 2018.
  • Koch, M.A. et al. 2018. Draba incerta in BrassiBase Tools and biological resources to study characters and traits in the Brassicaceae. Published on the internet. Accessed: 2018 Jan. 27. (accepting var. peasei)
  • Mulligan, G.A. 1972. Cytotaxonomic studies of Draba species in Canada and Alaska: D. oligosperma and D. incerta. Canadian Journal of Botany 50(8): 1763–1766. doi: 10.1139/b72-218 Reference page.  (not accepting var. peasei)
  • USDA, ARS, Germplasm Resources Information Network. Draba incerta in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed on 09-Oct-10.
  • Al-Shehbaz I.A., Windham, M.D., Elven, R.: Draba. In: Flora of North America Editorial Committee (ed..) 2010. Flora of North America North of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York/Oxford etc., ISBN 978-0-19-531822-7. (p. 313; not accepting var. peasei)
  • Rollins, R.C. 1993. The Cruciferae of Continental North America: Systematics of the Mustard Family from the Arctic to Panama. Stanford University Press, Stanford, xvii + 976 pp. ISBN 0-8047-2064-9.