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CCDB → Angiosperms → Proteaceae → Protea → Protea latifolia R. Br.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Protea latifolia R. Br. | Protea eximia (Knight) Fourc. | 24 | Fedorov, 1974 | Horn W. 1962 | ||
| ! | Protea latifolia R. Br. | Protea eximia (Knight) Fourc. | 12 | Cave1962 | Horn 1962 |