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CCDB → Angiosperms → Compositae → Tetragonotheca → Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | 17(1) | Asteracea | Urbatsch 1974b Taxon | ||
| ! | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | 17 | IPCN73-74 | URBATSCH, L.E. 1974. In IOPB chromosome number reports XLV. Taxon 23: 619-624. | ||
| ! | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | 34 | eFlora | |||
| ! | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | 34 | Fedorov, 1974 | Turner | ||
| ! | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | Tetragonotheca texana Engelm. & A. Gray ex A. Gray & Engelm. | 17 | Cave1959 | Turner 1959a |