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CCDB → Angiosperms → Compositae → Hieracium → 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. |