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CCDB → Angiosperms → Compositae → Pappobolus → Helianthus hypargyreus S. F. Blake
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helianthus hypargyreus S. F. Blake | Pappobolus hypargyreus (S. F. Blake) Panero | 17(1) | Asteracea | Heiser 1957 Brittonia | |||
| ! | Helianthus hypargyreus S. F. Blake | Pappobolus hypargyreus (S. F. Blake) Panero | 17 | Cave1956 | Heiser a |