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Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics

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CCDB → Angiosperms → Compositae → Xanthisma → Haplopappus ravenii R. C. Jacks.

8 chromosome counts in Haplopappus ravenii R. C. Jacks.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.	4	8	IPCN online	Ikeda, H. 1987. Cytogenetic studies on the chromosome complements of Haplopappus gracilis (2n = 4) and H. ravenii (2n = 8). J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot. 21: 67–104.
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.	4		IPCN online	Keil, D. J. 1981. In Chromosome number reports LXXII. Taxon 30: 705–706.
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.	4		IPCN online	Pinkava, D. J. & D. J. Keil. 1977. Chromosome counts of Compositae from the United States and Mexico. Amer. J. Bot. 64: 680–686.
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.	4		IPCN67-71	JACKSON, R.C., & T.J. CROVELLO. 1971. A Comparison of numerical and biosystematic studies in Haplopappus. Brittonia 23: 54-70.
		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.		8	Fedorov, 1974	Jackson R. C. 1962b, 1964a hoo
		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.		8	Fedorov, 1974	Solbrig et al. 1964
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.		8	C-values database	Jackson RC, Crane CF, Johnston JS, Ellison JR, Price HJ. 1993. Aneuploidy, structural chromosome changes, and DNA amounts in the annual taxa of the Haplopappus spinulosus complex. Chromosome Research 1: 53-61.
!		Haplopappus ravenii R. C. Jacks.	Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.	4		Cave1962	Jackson 1962a