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CCDB → Angiosperms → Lamiaceae → Dracocephalum → Dracocephalum ruyschiana L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | Flora Europaea | LOve & LbVe, 1944 | ||
| Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | IPCN online | Krogulevich, R. E. 1978. Kariologicheskij analiz vidov flory Vostochnogo Sajana. V Flora Pribajkal'ja. 19–48. Nauka, Novosibirsk. | |||
| Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | IPCN online | Semerenko, L. V. 1990. Chromosome numbers of some flowering plants from the Berezinsky Biosphere Reservation (the Byelorussian Soviet Socialist Republic). Bot. Žhurn. (Moscow & Leningrad) 75: 279–282. | |||
| Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | IPCN online | Magulaev, A. J. 1979a. The chromosome numbers of flowering plants in the Northern Caucasus. Part 3. Flora of the North Caucasus and questions of its history,. 3: 101–106. | |||
| ! | Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | Darlington, 1955 | L. & L. 1944b | ||
| Dracocephalum ruyschiana L. | Dracocephalum ruyschiana L. | 14 | IAPT/IOPB | IAPT/IOPB Chromosome Data 22 |