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CCDB → Angiosperms → Boraginaceae → Echium → Echium russicum

7 chromosome counts in Echium russicum:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Echium russicum	Echium russicum S. G. Gmel.		24	Darlington, 1955
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		24	Flora Europaea	Polya, 1950
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		24	IPCN online	Markova, M. 1983. In IOPB chromosome number reports LXXVIII. Taxon 32: 140.
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		12	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.
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		24	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.
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		24	IPCN67-71	MAJOVSKY, J., ET. AL. 1970. Index of chromosome numbers of Slovakian flora (Part 1). Acta Fae. Rerum Nat. Univ. Comenianae Bot. 16.: 1-26.
!		Echium russicum S. G. Gmel.	Echium russicum S. G. Gmel.		12	IPCN73-74	FRITSCH, B. 1973. Karyologische Untersuchungen in der Gattung Echium, L. Bot. Notiser 126: 450-458.