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CCDB → Angiosperms → Compositae → Tetrachyron → Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16(1) | Asteracea | Solbrig et al. 1972 Amer. J. Bot. | |||
| ! | Tetrachyron orizabaensis var. orizabaensis | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 17II(1) | Asteracea | Strother & P. 1994 Amer. J. Bot. | ||
| ! | Calea guatemalensis D. Sm. | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16(1) | Asteracea | Solbrig et al. 1972 Amer. J. Bot. | ||
| Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16(1) | Asteracea | Beaman & T. 1962 Rhodora | |||
| Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16II(1) | Asteracea | Strother 1983 Amer. J. Bot. | |||
| Tetrachyron orizabaensis var. orizabaensis | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 17II | IPCN online | Strother, J. L. & J. L. Panero. 1994. Chromosome studies: Latin American Compositae. Amer. J. Bot. 81(6): 770–775. | |||
| ! | Calea guatemalensis D. Sm. | Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16 | IPCN72 | SOLBRIG, O.T., D.W. KYHOS, M. POWELL, & P.H. RAVEN. 1972. Chromosome numbers in Compositae VIII: Heliantheae. Amer. J. Bot. 59: 869-878. |