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CCDB → Angiosperms → Compositae → Hazardia → Haplopappus canus (A. Gray) S. F. Blake
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haplopappus canus (A. Gray) S. F. Blake | Hazardia cana (A. Gray) Greene | 10 | Fedorov, 1974 | Raven et al. 1960 | ||
| ! | Haplopappus canus (A. Gray) S. F. Blake | Hazardia cana (A. Gray) Greene | 10 | Fedorov, 1974 | Raven 1963b | ||
| ! | Haplopappus canus (A. Gray) S. F. Blake | Hazardia cana (A. Gray) Greene | 10 | Cave1963 | Raven 1963b |