670503a Arabidopsis petraea subsp. petraea
Distribution
Northern Iceland: Frequent
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
2n=
16 (2x). - Europe (N, C). - Numerous reports.
Not included: A report of 2n = 32 (4x) from central Europe (Polatschek 1966), probably from a related species.
Geography: European (N/C): ICE.
Notes: Arabidopsis petraea s. str. occurs in the central European mountains, in three separate, non-arctic parts of Scandinavia and European Russia, and as common all over Iceland. Jonsell et al. (1995) studied the variation (morphology and isoenzymes) among the disjunct population groups in northern Europe from Iceland east to northwestern Russia. They found some geographically structured variation, the northwestern Russian plants being the most different ones. These authors did not study plants from central Europe. Koch et al. (1999, 2000, 2001) included Swedish and German A. petraea and northeastern North American A. lyrata in some of their genetic analyses. German and Swedish plants were regularly separated and the German ones often grouped together with North American A. lyrata. There is some unresolved variation.
Higher Taxa
- Arabidopsis petraea [670503,species]