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CCDB → Angiosperms → Asparagaceae → Agave → Agave shawii Engelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Agave shawii subsp. shawii | Agave shawii Engelm. | 30II | IPCN online | Pinkava, D. J. & M. A. Baker. 1985. Chromosome and hybridization studies of agaves. Desert Pl. 7: 93–100. | |||
| Agave shawii var. shawii | Agave shawii Engelm. | 60 | eFlora | ||||
| Agave shawii Engelm. | Agave shawii Engelm. | 60 | Fedorov, 1974 | Lcnz 1950 | |||
| ! | Agave shawii Engelm. | Agave shawii Engelm. | 60 | Darlington, 1955 | Lenz 1950 |