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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus engelmannii

24 chromosome counts in Echinocereus engelmannii:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Echinocereus engelmannii	Echinocereus engelmannii (Parry) Lem.	22		Baker, 2009
!		Echinocereus engelmannii (Parry) Lem.	Echinocereus engelmannii (Parry) Lem.		44	eFlora
!		Echinocereus engelmannii (Parry) Lem.	Echinocereus engelmannii (Parry) Lem.		44	Fedorov, 1974	Stockwell 1935
!		Echinocereus engelmannii (Parry) Lem.	Echinocereus engelmannii (Parry) Lem.		44	Darlington, 1955	Stockwell 1935
!		Echinocereus engelmannii subsp. fasciculatus (Engelm.) W. Blum & M. Lange	Echinocereus fasciculatus (Engelm.) L. D. Benson	22		Baker, 2009
!		Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
!		Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062.
!		Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122.
!		Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	22		IPCN online	Parfitt, B. D. 1978. In IOPB chromosome number reports LIX. Taxon 27: 53–61.
!		Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. chrysocentrus (Engelm. & J. M. Bigelow) Rümpler	22		IPCN75-78	Parfitt 1978
!		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.	11		IPCN online	Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41.
		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.		44	IPCN online	Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.	22	44	IPCN online	Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062.
		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.		44	IPCN online	Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122.
		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.	22		IPCN online	Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41.
!		Echinocereus engelmannii var. engelmannii	Echinocereus engelmannii (Parry) Lem.		44	IPCN online	Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
!		Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	22	44	IPCN online	Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062.
!		Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg		44	IPCN online	Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122.
!		Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	22	44	IPCN online	Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062.
!		Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg	Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg		44	IPCN online	Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122.
!		Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler	22		IPCN online	Pinkava, D. J. & B. D. Parfitt. 1982. Chromosome numbers in some cacti of western North America IV. Bull Torrey Bot. Club. 109: 121–128.
!		Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
!		Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062.
!		Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler	Echinocereus engelmannii var. variegatus (Engelm. & J. M. Bigelow) Rümpler		44	IPCN online	Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122.