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CCDB → Angiosperms → Crassulaceae → Sempervivum → Sempervivum montanum L.

7 chromosome counts in Sempervivum montanum L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Sempervivum montanum	Sempervivum montanum L.		42	Flora Europaea	Zesiger, 1961
		Sempervivum montanum L.	Sempervivum montanum L.		42	IPCN online	Favarger, C. & A. Welter. 1979. Sur la presence en Corse l'hybrides entre Sempervivum montanum L. et S. arachnoideum L. Bull. Soc. Bot. France 126: 103–109.
		Sempervivum montanum L.	Sempervivum montanum L.		c.60	IPCN67-71	ZHUKOVA, P. G. 1967. Karyology of some plants, cultivated in the Arctic-Alpine Botanical Garden. (In Russian). In N. A. Avrorin (ed.): Plantarum in Zonam Polarem Transportatio. II. Leningrad 1967, pp. 139-149.
!		Sempervivum montanum L.	Sempervivum montanum L.		42	Darlington, 1955	Favarger 1953
!		Sempervivum montanum	Sempervivum montanum L.	n = 21		Austria_checklist	Z?siger, F. 1961. Recherches cytotaxonomiques sur les Joubarbes (genres Sempervivum L. et Jovibarba Opiz). Ber.Schweiz.Bot.Ges. 71, 113-117.
		Sempervivum montanum L.	Sempervivum montanum L.	21		CromoCat 2015	Zésiger, F. (1961). Recherches cytotaxinomiques sur les Joubarbes (genres Sempervivum L. et Jovibarba Opiz.). Ber. Schweiz. Bot. Ges. (Bull. Soc. Bot. Suisse) 71: 113-117.
		Sempervivum montanum L.	Sempervivum montanum L.		42	CromoCat 2015	Favarger, C. & Welter, A. (1979). Sur la présence en Corse l'hybrides entre Sempervivum montanum L. et S. arachnoideum L. Bull. Soc. Bot. France 126: 103-109.