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Author

Christopher Callaghan

3 articles by this author

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Unravelling the ill-conceived Magnolia ...

Research Article

Unravelling the ill-conceived Magnolia lacei synonymy complex reveals the negative consequences of unsubstantiated synonymy to Magnoliaceae species

Christopher B. Callaghan, Siak K. Png

10.3897/phytokeys.279.194847

17-09-2026

Unique: 468 | Total: 549

Reprint: € 11,00

111-136

If these aren’t genuine species, what a ...

Research Article

If these aren’t genuine species, what are? An analysis of heterotypic synonyms contributes to 19 new names and 20 new combinations in Magnolia (Magnoliaceae). Part 2: New combinations

Christopher B. Callaghan, Siak K. Png

10.3897/phytokeys.277.195893

10-07-2026

Unique: 1391 | Total: 1580

Reprint: € 26,00

77-151

Twenty-six additional new combinations ...

Research Article

Twenty-six additional new combinations in the Magnolia (Magnoliaceae) of China and Vietnam

Christopher B. Callaghan, Siak K. Png

10.3897/phytokeys.146.52114

30-04-2020

Unique: 5743 | Total: 8233

Reprint: € 13,00

1-35

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