Scorzonera humilis L.

Viper's grass

source: Roel Hoekstra, CGN 2014
source: Roel Hoekstra, CGN 2014


GrinTax Scorzonera humilis L.
The Plant list Scorzonera humilis L.
English name Viper's grass

Crop relationship
Black salsify same genus

FLORON data (2014)
Indigeneity native
Trend since 1950 strongly decreasing (50-75%)
Presence very rare
Status Red List: endangered
Legal protection unlisted

Conservation in the Netherlands

A) In protected areas per province

For subareas the link to the larger area is provided.

a = actually present, p = possible
(see: About CWRnl / Methodology)


  • Boswachterij Odoorn (SBB [a])


  • Kootwijk (SBB [a])
  • Leuvenumse Bossen (NM [p])
  • Nationaal Park Veluwezoom (NM [a])
  • Nunspeet (SBB [a])
  • Radio Kootwijk (SBB [p])
  • Ugchelen Hoenderloo (SBB [p])

B) In genebank

  • CGN: no material

© NDFF, 2015
© NDFF, 2015

Legend distribution maps

upper map:

  • red: locations of presence
  • green: management type maps with areas that qualify for financial support (largely representing the Dutch network of protected areas). Protected water areas are not shown (IJsselmeer, Markermeer and all Frisian lakes, Randmeren & Vechtplassen).

- - - - - - - - - -

lower map:

Distribution area
Europe E-, S- and Central-Europe
Asia Caucasus
Africa -
North-America -
South-America -
Australia -
source:, 2015
source:, 2015

Expected distribution due to climate change

Expected distribution area in 2070 in the European region and in the Netherlands compared with current suitable areas under an optimistic and a pessimistic climate change scenario (see: About CWRnl / Methodology). Click on a map to enlarge.


Optimistic scenario

Distribution data GBIF, March 2017. doi:10.15468/dl.9kh6cu
Distribution data GBIF, March 2017. doi:10.15468/dl.9kh6cu

Pessimistic scenario


Additional information