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CCDB → Angiosperms → Plantaginaceae → Veronica → Veronica treadwellii (Cockayne & Allan) G. -Jones
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hebe treadwellii Cockayne & Allan | Veronica treadwellii (Cockayne & Allan) G. -Jones | 40 | Dawson New Zealand | |||
| ! | Veronica treadwellii (Cockayne & Allan) G. -Jones | Veronica treadwellii (Cockayne & Allan) G. -Jones | 40 | veronic | Contributions to a chromosome atlas of the New Zealand flora - 36. Miscellaneous families | New Zealand J. Bot. | 38: 1-23 | 2000 | ||
| ! | Veronica treadwellii (Cockayne & Allan) G. -Jones | Veronica treadwellii (Cockayne & Allan) G. -Jones | 20 | veronic | Contributions to a chromosome atlas of the New Zealand flora - 10 | New Zealand J. Bot. | 5:322-352 | 1967 |