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CCDB → Gymnosperms → Zamiaceae → Dioon → Dioon mejiae Standl. & L. O. Williams

2 chromosome counts in Dioon mejiae Standl. & L. O. Williams:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Dioon edule var. latipinnium Dyer	Dioon mejiae Standl. & L. O. Williams		18	IPCN67-71	MARCHANT, C.J. 1968. Chromosome patterns and nuclear phenomena in the cycad families Stangeriaceae and zamiaceae. Chromosoma 24: 100-134.
!		Dioon mejiae Standl. & L. O. Williams	Dioon mejiae Standl. & L. O. Williams		18	Rastogi2019	Marchant CJ. Chromosome patterns and nuclear phenomena in the cycad families Stangeriaceae and Zamiaceae. Chromosoma. 1968;24:100–34. ; Moretti A. Karyotype data on North and Central American Zamiaceae (Cycadales) and their phylogenetic implications. Am J Bot. 1990;77:1016–29.