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CCDB → Angiosperms → Compositae → Heterotheca → Heterotheca sessiliflora subsp. echioides (Benth.) Semple

19 chromosome counts in Heterotheca sessiliflora subsp. echioides (Benth.) Semple:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II(1)		Asteracea	Semple et al. 2001 Rhodora
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9(1)		Asteracea	Ward & S. 1988 Phytologia
!		Heterotheca sessiliflora var. camphorata (Eastw.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II, ca.18II, (14II, ca.8II+4III, ca.18II)(7, 1, 1)	18(3)	Asteracea	Semple 2008 Botany
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple		18(2)	Asteracea	Semple 2008 Botany
		Heterotheca sessiliflora var. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II(1)		Asteracea	Semple et al. 2001 Rhodora
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II(1)		Asteracea	Semple 1985 Rhodora
!		Heterotheca sessiliflora var. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple		18(1)	Asteracea	Semple 2008 Botany
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II(1)		Asteracea	Semple et al. 2001 Rhodora
!		Heterotheca sessiliflora var. camphorata (Eastw.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II(1)		Asteracea	Keil et al. 1988 Amer. J. Bot.
!		Heterotheca sessiliflora var. camphorata (Eastw.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple		18(1)	Asteracea	Semple 2008 Botany
!		Heterotheca sessiliflora var. bolanderioides Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9(1)		Asteracea	Raven et al. 1960 Amer. J. Bot.
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple		18(1)	Asteracea	Semple 2008 Botany
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	18II(7)		Asteracea	Semple 2008 Botany
		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9(1)		Asteracea	Ward & S. 1988 Phytologia
		Heterotheca echioides (Benth.) Shinners	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II		IPCN online	Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
		Heterotheca echioides (Benth.) Shinners	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II		IPCN online	Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668.
		Heterotheca sessiliflora var. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9II		IPCN online	Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218.
!		Chrysopsis villosa var. echioides (Benth.) A. Gray	Heterotheca sessiliflora subsp. echioides (Benth.) Semple	9		IPCN73-74	ANDERSON, L.C., D.W. KYHOS, T. MOSQUIN, A.M. POWEL~, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. IX Haplopappus and other Astereae. Amer. J. Bot. 61: 665-671.
!		Heterotheca sessiliflora subsp. echioides (Benth.) Semple	Heterotheca sessiliflora subsp. echioides (Benth.) Semple		18,36	eFlora