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CCDB → Angiosperms → Compositae → Grindelia → Grindelia discoidea Hook. & Arn.

4 chromosome counts in Grindelia discoidea Hook. & Arn.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Grindelia discoidea Hook. & Arn.	Grindelia pulchella var. pulchella	12(1)		Asteracea	Solbrig et al. 1969 Amer. J. Bot.
		Grindelia discoidea Hook. & Arn.	Grindelia pulchella var. pulchella		24	IPCN online	Bartoli, A. & R. D. Tortosa. 1998. Estudios cromosómicos en especies sudamericanas de Grindelia (Astereae, Asteraceae). Kurtziana 26: 165–171.
!		Grindelia discoidea Hook. & Arn.	Grindelia pulchella var. pulchella	12		IPCN67-71	SOLBRIG, Q.T., L.C. ANDERSON, D.W. KYHOS, & P.H. RAVEN. 1969. Chromosome numbers in Compositae. VIII: Astereae III. Amer. J. Bot. 56: 348-353.
!		Grindelia discoidea Hook. & Arn.	Grindelia pulchella var. pulchella		24	Fedorov, 1974	Solbrig et al. 1964