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@article{365953, author = {Danihelka, Jiří and Rotreklová, Olga}, article_location = {Průhonice}, article_number = {2}, keywords = {Asteraceae; Central Europe; Compositae; Karyology; Plant geography; Yarrow}, language = {eng}, issn = {1211-9520}, journal = {Folia Geobotanica}, title = {Chromosome numbers within the Achillea millefolium and the A. distans groups in the Czech Republic and Slovakia}, volume = {36}, year = {2001} }
TY - JOUR ID - 365953 AU - Danihelka, Jiří - Rotreklová, Olga PY - 2001 TI - Chromosome numbers within the Achillea millefolium and the A. distans groups in the Czech Republic and Slovakia JF - Folia Geobotanica VL - 36 IS - 2 SP - 163 EP - 163 PB - Institute of Botany SN - 12119520 KW - Asteraceae KW - Central Europe KW - Compositae KW - Karyology KW - Plant geography KW - Yarrow N2 - The Achillea millefolium group is represented in the Czech Republic and Slovakia by six species. Achillea setacea and A. asplenifolia are diploid; A. collina and A. pratensis are tetraploid; A. millefolium is hexaploid; and A. pannonica is octoploid. The populations from Slovakia of the A. distans group, distributed mainly in central and south-eastern Europe, were all hexaploid. The presence of these taxa in the area studied was documented by means of chromosome counts in 285 plants originating from 112 mainly natural populations. Results of chromosome counts are discussed against a background of literature data from Europe. For the species studied, brief descriptions as well as comments on their distribution and ecology are provided. ER -
DANIHELKA, Jiří and Olga ROTREKLOVÁ. Chromosome numbers within the Achillea millefolium and the A. distans groups in the Czech Republic and Slovakia. \textit{Folia Geobotanica}. Průhonice: Institute of Botany, 2001, vol.~36, No~2, p.~163-191. ISSN~1211-9520.
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