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CCDB → Angiosperms → Compositae → Vernonia → Vernonia greggii subsp. schaffneri
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Vernonia greggii subsp. schaffneri | Vernonia greggii subsp. schaffneri (A. Gray) G. C. Chapman & S. B. Jones | 17(1) | Asteracea | Chapman & J. 1978 Sida (= J. Bot. Res. Inst. Texas) | ||
| ! | Vernonia greggii subsp. schaffneri (A. Gray) G. C. Chapman & S. B. Jones | Vernonia greggii subsp. schaffneri (A. Gray) G. C. Chapman & S. B. Jones | 17 | IPCN online | Chapman, G. C. & S. B. Jones. 1978. Biosystematics of the Texanae Vernonias (Vernonieae: Compositae). Sida 7: 264–281. |