CCDBAngiospermsCompositaeHieraciumHieracium nigrescens Willd.

6 chromosome counts in Hieracium nigrescens Willd.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Hieracium nigrescens Willd. Hieracium nigrescens Willd.   36 Hieracium Lavrenko et al. 1988; Lavrenko et al. 1989 (as "aggr."); Lavrenko et al. 1990
!   Hieracium nigrescens Willd. Hieracium nigrescens Willd.   36 Flora Europaea Mills & Stace,
  Hieracium nigrescens Willd. Hieracium nigrescens Willd.   36(1) Asteracea Mraz 2001b Folia Geobotanica
  Hieracium nigrescens Willd. Hieracium nigrescens Willd.   27 IPCN online Lavrenko, A. N., N. P. Serditov & Z. G. Ulle. 1988. Chromosome numbers in some species of Asparagaceae, Asteraceae and Ranunculaceae from the north Urals (Komi ASSR). Bot. Žhurn. (Moscow & Leningrad) 73: 605–607.
  Hieracium nigrescens Willd. Hieracium nigrescens Willd.   36 IPCN online Chrtek, J. 1994. Chromosome numbers in selected Hieracium species in the Krkonose Mts. (The West Sudeten). Folia Geobot. Phytotax. 29: 91–100.
  Hieracium nigrescens Willd. Hieracium nigrescens Willd.   36 IPCN online Mráz, P. 2001. Chromosome numbers in selected species of Hieracium sect. Alpina (Asteraceae) from central and eastern Euroope. Folia Geobot. 36(3): 321–332.