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CCDB → Angiosperms → Helwingiaceae → Helwingia → Helwingia himalaica Hook. & Thomson ex C. B. Clarke

4 chromosome counts in Helwingia himalaica Hook. & Thomson ex C. B. Clarke:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Helwingia himalaica Hook. & Thomson ex C. B. Clarke	Helwingia himalaica Hook. & Thomson ex C. B. Clarke		38	IPCN65	Hara & K. 1965
!		Helwingia himalaica Hook. & Thomson ex C. B. Clarke	Helwingia himalaica Hook. & Thomson ex C. B. Clarke	67		IPCN online	Sharma, A. K. 1970. Annual report, 1967-1968. Res. Bull. Univ. Calcutta Cytogenetics Lab. 2: 1–50.
!		Helwingia himalaica Hook. & Thomson ex C. B. Clarke	Helwingia himalaica Hook. & Thomson ex C. B. Clarke		38	IPCN66	Kurosawa 1966
!		Helwingia himalaica Hook. & Thorns. ex Clarke	Helwingia himalaica Hook. & Thomson ex C. B. Clarke	67		IPCN67-71	SHARMA, A., & A.K. SARKAR (Editors). 1967-68. Chromosome number reports of plants in Annual Report, Cytogenetics Laboratory, Department of"li"otany, University of Calcutta. The Research Bulletin. 2: 38-Q8.