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CCDB → Angiosperms → Compositae → Hieracium → Hieracium argutum Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hieracium argutum var. argutum | Hieracium argutum Nutt. | 18 | Hieracium | Keil & Pinkava 1976 | |||
| Hieracium argutum var. argutum | Hieracium argutum Nutt. | 9II(1) | Asteracea | Keil & P. 1976 Amer. J. Bot. | |||
| Hieracium argutum var. argutum | Hieracium argutum Nutt. | 9 | IPCN online | Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403. |