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CCDB → Angiosperms → Apiaceae → Heracleum → Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer

7 chromosome counts in Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer		22	CHROBASE	WEIMARCK G. - 1978 (1977). B chromosomes in Heracleum sphondylium s. lat. in Europe.. Act. 2e Symp. Intern. Ombellifere (Perpignon) , : 293-303.
!		Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer		22	CHROBASE	WEIMARCK G. - 1978 (1977). B chromosomes in Heracleum sphondylium s. lat. in Europe.. Act. 2e Symp. Intern. Ombellifere (Perpignon) , : 293-303.
!		Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer		22	CHROBASE	WEIMARCK G. - 1978 (1977). B chromosomes in Heracleum sphondylium s. lat. in Europe.. Act. 2e Symp. Intern. Ombellifere (Perpignon) , : 293-303.
!		Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	11		CHROBASE	FAVARGER C. - 1973. Cytotaxonomie de quelques Orophytes des Abruzzes.. Acta Bot. Acad. Sci. Hung. , 19(1-4): 81-92.
		Heracleum orsinii Guss.	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer		22	CHROBASE	BALTISBERGER M. - 1991 (1990). Numeri cromosomici per la flora italiana: 1208-1230.. Inform. Bot. Ital. , 22(3): 216-226.
		Heracleum orsinii Guss.	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer		22	IPCN online	Baltisberger, M. 1990. Numeri cromosomici per la flora Italiana: 1208--1230. Inform. Bot. Ital. 22: 216–226.
!		Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer	11		IPCN73-74	FAVARGER, C. 1973. Cytotaxonomie de quelques orophytes des Abruzzes. Acta Bot. Acad. Sci. Hung. 18: 81-92.