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CCDB → Angiosperms → Compositae → Hemizonia → Hemizonia congesta DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hemizonia congesta DC. | Hemizonia congesta DC. | 14(1) | Asteracea | Clausen 1951 Ithaca, Cornell Univ. Press, | |||
| Hemizonia congesta subsp. congesta | Hemizonia congesta DC. | 14(1) | Asteracea | Tanowitz 1982 Syst. Bot. | |||
| Hemizonia congesta subsp. congesta | Hemizonia congesta DC. | 14(1) | Asteracea | Tanowitz 1982 Syst. Bot. | |||
| Hemizonia congesta DC. | Hemizonia congesta DC. | 14(1) | Asteracea | Tanowitz 1983 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.) | |||
| Hemizonia leucocephala Tanowitz | Hemizonia congesta DC. | 14 | IPCN online | Tanowitz, B. D. 1982. Taxonomy of Hemizonia sect. Madiomeris (Asteraceae: Madiinae). Syst. Bot. 7(3): 314–339. | |||
| Hemizonia congesta subsp. congesta | Hemizonia congesta DC. | 28 | eFlora |