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CCDB → Angiosperms → Compositae → Hieracium → Hieracium subnigrescens (Norrl.) Dahlst.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hieracium subnigrescens (Norrl.) Dahlst. | Hieracium atratum subsp. subnigrescens (Norrl.) Zahn | 36(3) | Asteracea | Chrtek 1994 Folia Geobotanica | ||
| ! | Hieracium subnigrescens (Norrl.) Dahlst. | Hieracium atratum subsp. subnigrescens (Norrl.) Zahn | 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. |