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CCDB → Angiosperms → Compositae → Erigeron → Erigeron ursinus D. C. Eaton
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Erigeron ursinus D. C. Eaton | Erigeron ursinus D. C. Eaton | 18 | IAPT/IOPB | IAPT/IOPB Chromosome Data 11 | ||
| Erigeron ursinus D. C. Eaton | Erigeron ursinus D. C. Eaton | 9(1) | Asteracea | Solbrig et al. 1969 Amer. J. Bot. | |||
| ! | Erigeron ursinus D. C. Eaton | Erigeron ursinus D. C. Eaton | 9II | IPCN online | Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218. | ||
| ! | Erigeron ursinus D. C. Eaton | Erigeron ursinus D. C. Eaton | 9 | IPCN67-71 | SOLBRIG, Q.T., L.C. ANDERSON, D.W. KYHOS, & P.H. RAVEN. 1969. Chromosome numbers in Compositae. VIII: Astereae III. Amer. J. Bot. 56: 348-353. |