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CCDB → Angiosperms → Compositae → Symphyotrichum → Virgulus walteri Reveal & Keener
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Virgulus walteri Reveal & Keener | Symphyotrichum walteri (Alexander) G. L. Nesom | 20 | IPCN online | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | ||
| ! | Virgulus walteri Reveal & Keener | Symphyotrichum walteri (Alexander) G. L. Nesom | 20 | IPCN online | Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325. |