CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Rudbeckia → Rudbeckia amplexicaulis Vahl
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 32 | CHROBASE | BATTAGLIA E. - 1946. Ricerche cariologiche ed embriologiche sul genere Rudbeckia (Asteraceae).I-V.Il gametofito femminile e maschile di R.bicolor Nutt., R.hirta L., R.hirta L. var.meine freude Hort., R.amplexicaulis Wahl. e R.purpurea L. (=Echinacea purpurea Moench).. N. Giorn. Bot. Ital., n.s. , 53: 1/1/2026. | |||
| Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 16(1) | 32(1) | Asteracea | Battaglia 1947a Rendic. R. Acc. Naz. Lincei, Cl. Sci. Fis. Mat. Nat. | ||
| ! | Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 16(1) | Asteracea | Keil & S. 1977 Amer. J. Bot. | ||
| ! | Dracopis amplexicaulis (Vahl) Cass. ex Less. | Rudbeckia amplexicaulis Vahl | 16 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. | ||
| ! | Dracopis amplexicaulis (Vahl) Cass. ex Less. | Rudbeckia amplexicaulis Vahl | 16 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. | ||
| ! | Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 32 | eFlora | |||
| Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 32 | Fedorov, 1974 | Battaglia 1947a | |||
| Rudbeckia amplexicaulis Vahl | Rudbeckia amplexicaulis Vahl | 32 | Fedorov, 1974 | HOBa HCOUy6JI. | |||
| ! | Rudbeckia amplexicaulis | Rudbeckia amplexicaulis Vahl | 32 | Darlington, 1955 | Battaglia 1947a |