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CCDB → Angiosperms → Compositae → Centromadia → Hemizonia parryi subsp. congdonii (B. L. Rob. & Greenm.) D. D. Keck
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hemizonia parryi subsp. congdonii (B. L. Rob. & Greenm.) D. D. Keck | Centromadia parryi subsp. congdonii (B. L. Rob. & Greenm.) B. G. Baldwin | 12 | 24 | Cave1958 | Venkatesh 1958 |