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CCDB → Angiosperms → Compositae → Machaeranthera → Haplopappus arenarius Benth.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Haplopappus arenarius Benth. | Machaeranthera arenaria (Benth.) Shinners | 4 | IPCN online | Jackson, R. C. 1979. Intersectional hybridization in Haplopappus: Blepharodon X Hazandia. Syst. Bot. 4: 157–162. | |||
| ! | Haplopappus arenarius Benth. | Machaeranthera arenaria (Benth.) Shinners | 4 | IPCN73-74 | TURNER, B.L;, A.M. POWELL, & T.J. WATSON, JR. 1973. Chromosome numbers in Asteraceae. Amer. J. Bot. 60: 592-596. |